/* roulang page: index */
:root{
--bg:#0B1220;
--panel:#101A2C;
--panel-alt:#0E1626;
--brand:#2BE3B4;
--brand-light:#6BF0CE;
--brand-dark:#14B98F;
--amber:#F5A524;
--danger:#FF6B6B;
--text:#EAF0F7;
--text-2:#A9B7C9;
--text-3:#6E7E93;
--line:rgba(255,255,255,.10);
--line-2:rgba(255,255,255,.07);
--glass:rgba(255,255,255,.055);
--glass-strong:rgba(16,26,44,.72);
--radius-card:14px;
--radius-btn:10px;
--radius-input:10px;
--shadow-card:0 8px 24px rgba(0,0,0,.35);
--shadow-float:0 20px 48px rgba(0,0,0,.45);
--font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
--ease:cubic-bezier(.4,0,.2,1);
--pad-y:72px;
}
@media (min-width:1024px){ :root{ --pad-y:112px; } }
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
margin:0;
padding:0;
min-height:100%;
font-family:var(--font-sans);
font-size:16px;
line-height:1.8;
color:var(--text);
background-color:var(--bg);
background-image:
radial-gradient(920px 520px at 10% -10%, rgba(43,227,180,.10), transparent 68%),
radial-gradient(760px 460px at 92% 4%, rgba(245,165,36,.06), transparent 70%),
linear-gradient(rgba(255,255,255,.021) 1px, transparent 1px),
linear-gradient(90deg, rgba(255,255,255,.021) 1px, transparent 1px);
background-size:auto,auto,32px 32px,32px 32px;
-webkit-font-smoothing:antialiased;
-moz-osx-font-smoothing:grayscale;
overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{ margin:0; font-family:var(--font-sans); color:var(--text); font-weight:700; letter-spacing:-.01em; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; border:0; }
a{ color:var(--brand); text-decoration:none; transition:color .2s var(--ease); }
a:hover{ color:var(--brand-light); }
button{ font-family:var(--font-sans); }
input,textarea,select{ font-family:var(--font-sans); }
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
outline:2px solid var(--brand);
outline-offset:2px;
border-radius:4px;
}
::selection{ background:rgba(43,227,180,.28); color:#fff; }
.container{
width:100%;
max-width:1220px;
margin:0 auto;
padding-left:20px;
padding-right:20px;
}
@media (min-width:768px){
.container{ padding-left:32px; padding-right:32px; }
}
/* ============ 通用按钮 ============ */
.btn{
display:inline-flex;
align-items:center;
justify-content:center;
gap:8px;
height:46px;
padding:0 22px;
border-radius:var(--radius-btn);
border:1px solid transparent;
font-size:14px;
font-weight:600;
line-height:1;
letter-spacing:.01em;
cursor:pointer;
white-space:nowrap;
transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
-webkit-appearance:none;
appearance:none;
text-align:center;
}
.btn-primary{
background:var(--brand);
color:#08131F;
border-color:rgba(43,227,180,.6);
}
.btn-primary:hover{
background:var(--brand-light);
color:#08131F;
box-shadow:0 0 24px rgba(43,227,180,.35);
transform:translateY(-1px);
}
.btn-primary:active{
background:var(--brand-dark);
box-shadow:0 0 0 rgba(43,227,180,0);
transform:translateY(0);
}
.btn-ghost{
background:transparent;
color:var(--text);
border-color:var(--line);
}
.btn-ghost:hover{
border-color:rgba(43,227,180,.6);
color:var(--brand);
background:rgba(43,227,180,.06);
}
.btn-ghost:active{ background:rgba(43,227,180,.12); }
.btn-sm{ height:38px; padding:0 16px; font-size:13px; }
.btn-lg{ height:52px; padding:0 28px; font-size:15px; }
.btn-text{
display:inline-flex;
align-items:center;
gap:6px;
height:auto;
padding:0;
background:none;
border:0;
color:var(--brand);
font-size:14px;
font-weight:600;
}
.btn-text i{ transition:transform .2s var(--ease); font-size:12px; }
.btn-text:hover i{ transform:translateX(4px); }
.btn[disabled],.btn.is-disabled{ opacity:.45; cursor:not-allowed; transform:none; box-shadow:none; }
/* ============ 命令栏导航 ============ */
.site-header{
position:sticky;
top:0;
z-index:120;
height:64px;
border-bottom:1px solid transparent;
transition:background-color .25s var(--ease),backdrop-filter .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
background:rgba(11,18,32,.86);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
border-bottom-color:var(--line);
}
.nav-inner{
height:64px;
display:flex;
align-items:center;
gap:20px;
}
.brand{
display:inline-flex;
align-items:center;
gap:10px;
flex:0 0 auto;
color:var(--text);
}
.brand:hover{ color:var(--text); }
.brand-dot{
width:9px; height:9px;
border-radius:3px;
background:var(--brand);
box-shadow:0 0 12px rgba(43,227,180,.75);
flex:0 0 auto;
}
.brand-name{
font-size:17px;
font-weight:700;
letter-spacing:-.01em;
}
.brand-sub{
font-family:var(--font-mono);
font-size:10px;
letter-spacing:.14em;
color:var(--text-3);
border-left:1px solid var(--line);
padding-left:10px;
line-height:1;
}
.nav-menu{
display:flex;
align-items:center;
gap:2px;
margin-left:14px;
}
.nav-link{
position:relative;
display:inline-flex;
align-items:center;
height:64px;
padding:0 12px;
font-size:14px;
color:var(--text-2);
white-space:nowrap;
}
.nav-link:hover{ color:var(--text); }
.nav-link.is-active{ color:var(--brand); }
.nav-link.is-active::after{
content:"";
position:absolute;
left:12px; right:12px; bottom:0;
height:2px;
border-radius:2px;
background:var(--brand);
box-shadow:0 0 10px rgba(43,227,180,.8);
}
.nav-actions{
margin-left:auto;
display:flex;
align-items:center;
gap:10px;
flex:0 0 auto;
}
.command-search{
display:flex;
align-items:center;
gap:8px;
width:240px;
height:38px;
padding:0 10px;
border-radius:var(--radius-input);
background:var(--glass);
border:1px solid var(--line);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search:focus-within{
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.16);
}
.command-search i{ color:var(--text-3); font-size:12px; }
.command-search input{
flex:1 1 auto;
min-width:0;
height:100%;
background:transparent;
border:0;
outline:none;
box-shadow:none;
color:var(--text);
font-size:13px;
padding:0;
margin:0;
}
.command-search input::placeholder{ color:var(--text-3); }
.kbd{
font-family:var(--font-mono);
font-size:11px;
line-height:1;
color:var(--text-3);
border:1px solid var(--line);
border-radius:6px;
padding:3px 6px;
flex:0 0 auto;
}
.icon-btn{
display:inline-flex;
align-items:center;
justify-content:center;
width:38px; height:38px;
min-width:38px;
border-radius:var(--radius-input);
border:1px solid var(--line);
background:var(--glass);
color:var(--text-2);
transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.icon-btn:hover{
color:var(--brand);
border-color:rgba(43,227,180,.5);
background:rgba(43,227,180,.07);
}
.menu-toggle{
display:none;
align-items:center;
justify-content:center;
width:42px; height:42px;
border-radius:var(--radius-input);
border:1px solid var(--line);
background:var(--glass);
color:var(--text);
cursor:pointer;
}
.drawer-extra{ display:none; }
/* ============ Hero ============ */
.hero{
position:relative;
padding-top:56px;
padding-bottom:var(--pad-y);
}
.hero-eyebrow{
display:inline-flex;
align-items:center;
gap:8px;
font-family:var(--font-mono);
font-size:12px;
letter-spacing:.08em;
color:var(--amber);
border:1px solid rgba(245,165,36,.28);
background:rgba(245,165,36,.08);
border-radius:999px;
padding:5px 12px;
line-height:1.5;
}
.hero h1{
margin-top:20px;
font-size:clamp(34px,5.2vw,60px);
line-height:1.15;
font-weight:700;
letter-spacing:-.01em;
}
.hero h1 .hl{ color:var(--brand); }
.hero-lead{
margin-top:18px;
font-size:17px;
line-height:1.8;
color:var(--text-2);
max-width:580px;
}
.hero-cta{
display:flex;
flex-wrap:wrap;
gap:12px;
margin-top:30px;
}
.hero-metrics{
display:flex;
flex-wrap:wrap;
margin-top:40px;
padding-top:26px;
border-top:1px solid var(--line-2);
}
.metric{
padding:0 26px;
border-left:1px solid var(--line-2);
}
.metric:first-child{ padding-left:0; border-left:0; }
.metric-num{
font-family:var(--font-mono);
font-size:clamp(26px,3.2vw,38px);
font-weight:600;
line-height:1.15;
color:var(--text);
letter-spacing:-.02em;
}
.metric-num em{
font-style:normal;
font-size:.55em;
color:var(--brand);
margin-left:2px;
}
.metric-label{
font-size:13px;
line-height:1.6;
color:var(--text-3);
margin-top:2px;
}
.hero-visual{
position:relative;
border-radius:16px;
overflow:hidden;
border:1px solid var(--line);
aspect-ratio:4/3;
box-shadow:var(--shadow-float);
background:var(--panel);
}
.hero-visual img{
width:100%; height:100%;
object-fit:cover;
transition:transform .5s var(--ease);
}
.hero-visual::after{
content:"";
position:absolute; inset:0;
background:rgba(11,18,32,.12);
pointer-events:none;
}
.hero-visual:hover img{ transform:scale(1.03); }
.hero-badge{
position:absolute;
left:16px; bottom:16px;
z-index:2;
display:flex;
align-items:center;
gap:8px;
padding:8px 14px;
border-radius:999px;
background:rgba(11,18,32,.82);
border:1px solid var(--line);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
font-size:12px;
color:var(--text-2);
}
.hero-badge .pulse{
width:7px; height:7px;
border-radius:50%;
background:var(--brand);
box-shadow:0 0 10px rgba(43,227,180,.9);
}
@media (max-width:1023px){
.hero{ padding-top:36px; }
.hero-visual{ margin-top:34px; }
}
@media (max-width:767px){
.hero-metrics{ margin-top:30px; }
.metric{ padding:0 16px 0 16px; }
.metric-num{ font-size:24px; }
}
/* ============ 品牌主张横带 ============ */
.brandstrip{
background:var(--panel-alt);
border-top:1px solid var(--line-2);
border-bottom:1px solid var(--line-2);
}
.brandstrip-track{
display:flex;
align-items:center;
gap:36px;
padding:20px 0;
overflow-x:auto;
scrollbar-width:none;
-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 5%,#000 95%,transparent 100%);
mask-image:linear-gradient(90deg,transparent 0,#000 5%,#000 95%,transparent 100%);
}
.brandstrip-track::-webkit-scrollbar{ display:none; }
.brandstrip-item{
flex:0 0 auto;
display:inline-flex;
align-items:center;
gap:10px;
font-size:14px;
color:var(--text-2);
white-space:nowrap;
}
.brandstrip-item i{ color:var(--brand); font-size:12px; }
.brandstrip-sep{ color:var(--line); flex:0 0 auto; }
/* ============ 板块通用 ============ */
.section{ padding-top:96px; padding-bottom:96px; }
.section.alt{ padding-top:128px; padding-bottom:128px; }
.section.tint{ background:var(--panel-alt); border-top:1px solid var(--line-2); border-bottom:1px solid var(--line-2); padding-top:128px; padding-bottom:128px; }
@media (max-width:1023px){
.section,.section.alt,.section.tint{ padding-top:72px; padding-bottom:72px; }
}
.section-head{
display:flex;
align-items:flex-end;
justify-content:space-between;
gap:24px;
flex-wrap:wrap;
margin-bottom:36px;
}
.section-kicker{
display:inline-flex;
align-items:center;
gap:8px;
font-family:var(--font-mono);
font-size:12px;
letter-spacing:.1em;
color:var(--amber);
text-transform:uppercase;
}
.section-title{
margin-top:10px;
font-size:clamp(24px,3vw,38px);
line-height:1.25;
letter-spacing:-.01em;
}
.section-desc{
margin-top:12px;
font-size:15px;
color:var(--text-2);
max-width:660px;
}
/* ============ 故事区 5/7 ============ */
.story-index{
display:flex;
gap:18px;
align-items:flex-start;
}
.story-index-num{
font-family:var(--font-mono);
font-size:13px;
color:var(--amber);
padding-top:8px;
letter-spacing:.06em;
flex:0 0 auto;
}
.story-title{
font-size:clamp(26px,3.4vw,40px);
line-height:1.25;
letter-spacing:-.01em;
}
.story-title span{ color:var(--brand); }
.story-text{
font-size:16px;
line-height:1.9;
color:var(--text-2);
}
.story-text + .story-text{ margin-top:18px; }
.story-figure{
margin-top:28px;
border-radius:14px;
overflow:hidden;
border:1px solid var(--line);
aspect-ratio:16/9;
box-shadow:var(--shadow-card);
}
.story-figure img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.story-figure:hover img{ transform:scale(1.03); }
.story-points{
margin-top:30px;
padding-top:22px;
border-top:1px solid var(--line-2);
display:flex;
flex-wrap:wrap;
gap:14px 32px;
}
.story-points li{
display:inline-flex;
align-items:center;
gap:9px;
font-size:14px;
color:var(--text-2);
}
.story-points li i{ color:var(--brand); font-size:12px; }
/* ============ 精选内容卡 ============ */
.pick-main{
position:relative;
display:block;
border-radius:var(--radius-card);
overflow:hidden;
border:1px solid var(--line);
background:var(--glass);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
transition:transform .2s var(--ease),border-color .2s var(--ease);
height:100%;
}
.pick-main:hover{ transform:translateY(-2px); border-color:rgba(43,227,180,.4); }
.pick-main-media{
position:relative;
aspect-ratio:16/9;
overflow:hidden;
}
.pick-main-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.pick-main:hover .pick-main-media img{ transform:scale(1.03); }
.pick-main-body{
padding:26px 28px 28px;
background:rgba(11,18,32,.06);
}
.tag{
display:inline-flex;
align-items:center;
font-size:12px;
letter-spacing:.06em;
color:var(--amber);
font-weight:600;
}
.tag-line{ display:block; margin-bottom:12px; }
.card-title{
font-size:18px;
line-height:1.45;
font-weight:700;
color:var(--text);
display:-webkit-box;
-webkit-line-clamp:2;
-webkit-box-orient:vertical;
overflow:hidden;
}
.pick-main .card-title{ font-size:22px; }
.card-desc{
margin-top:10px;
font-size:14px;
line-height:1.7;
color:var(--text-2);
display:-webkit-box;
-webkit-line-clamp:2;
-webkit-box-orient:vertical;
overflow:hidden;
}
.card-foot{
display:flex;
align-items:center;
gap:12px;
margin-top:18px;
padding-top:16px;
border-top:1px solid var(--line-2);
font-family:var(--font-mono);
font-size:12px;
color:var(--text-3);
}
.card-foot .dot{ color:var(--line); }
.card-foot .arrow{
margin-left:auto;
color:var(--brand);
transition:transform .2s var(--ease);
}
.pick-main:hover .card-foot .arrow{ transform:translateX(4px); }
.pick-side{
display:flex;
flex-direction:column;
gap:24px;
height:100%;
}
.pick-mini{
display:flex;
gap:16px;
align-items:flex-start;
flex:1 1 0;
padding:20px;
border-radius:var(--radius-card);
border:1px solid var(--line);
background:var(--glass);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.pick-mini:hover{ transform:translateY(-2px); border-color:rgba(43,227,180,.4); }
.pick-mini-media{
flex:0 0 auto;
width:110px;
aspect-ratio:4/3;
border-radius:10px;
overflow:hidden;
border:1px solid var(--line-2);
}
.pick-mini-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.pick-mini:hover .pick-mini-media img{ transform:scale(1.03); }
.pick-mini .card-title{ font-size:16px; }
.pick-mini .card-desc{ -webkit-line-clamp:2; font-size:13px; margin-top:8px; }
@media (max-width:1023px){
.pick-side{ margin-top:24px; }
}
@media (max-width:600px){
.pick-mini{ flex-direction:column; }
.pick-mini-media{ width:100%; aspect-ratio:16/9; }
}
/* ============ 最新信息 / CMS 列表 ============ */
.cms-pin{
display:block;
margin-bottom:24px;
padding:26px 28px;
border-radius:var(--radius-card);
border:1px solid var(--line);
background:linear-gradient(90deg,rgba(43,227,180,.08),rgba(255,255,255,.04) 42%);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.cms-pin:hover{ transform:translateY(-2px); border-color:rgba(43,227,180,.4); }
.cms-pin-inner{
display:flex;
align-items:center;
gap:24px;
flex-wrap:wrap;
}
.cms-pin-main{ flex:1 1 420px; min-width:0; }
.cms-pin .card-title{ font-size:20px; }
.cms-pin .card-desc{ -webkit-line-clamp:2; }
.cms-pin-side{
flex:0 0 auto;
font-family:var(--font-mono);
font-size:12px;
color:var(--text-3);
display:flex;
align-items:center;
gap:12px;
}
.cms-grid{
display:grid;
grid-template-columns:repeat(3,minmax(0,1fr));
gap:24px;
}
.cms-card{
display:flex;
flex-direction:column;
height:100%;
padding:24px;
border-radius:var(--radius-card);
border:1px solid var(--line);
background:var(--glass);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.cms-card:hover{ transform:translateY(-2px); border-color:rgba(43,227,180,.4); }
.cms-card .card-foot{ margin-top:auto; }
@media (max-width:1023px){
.cms-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:640px){
.cms-grid{ grid-template-columns:minmax(0,1fr); }
.cms-pin{ padding:22px; }
.cms-pin-inner{ gap:16px; }
}
.empty-state{
text-align:center;
padding:64px 24px;
border:1px dashed var(--line);
border-radius:var(--radius-card);
background:rgba(255,255,255,.028);
}
.empty-state i{ font-size:26px; color:var(--text-3); }
.empty-state p{ margin-top:14px; font-size:14px; color:var(--text-3); }
.empty-state .btn{ margin-top:20px; }
/* ============ 信任背书 ============ */
.trust-metrics{
display:grid;
grid-template-columns:repeat(4,minmax(0,1fr));
gap:1px;
background:var(--line-2);
border:1px solid var(--line-2);
border-radius:var(--radius-card);
overflow:hidden;
}
.trust-metric{
background:var(--panel);
padding:26px 22px;
}
.trust-metric .metric-num{ font-size:clamp(24px,2.6vw,34px); }
.logo-wall{
display:grid;
grid-template-columns:repeat(6,minmax(0,1fr));
gap:16px;
margin-top:32px;
}
.logo-item{
display:flex;
align-items:center;
justify-content:center;
height:76px;
border-radius:12px;
border:1px solid var(--line-2);
background:rgba(255,255,255,.028);
color:var(--text-3);
font-size:14px;
letter-spacing:.06em;
filter:grayscale(100%);
opacity:.62;
transition:opacity .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),filter .25s var(--ease);
}
.logo-item:hover{
opacity:1;
filter:grayscale(0%);
color:var(--text);
border-color:rgba(43,227,180,.35);
}
.quote-card{
margin-top:32px;
padding:28px 30px;
border-radius:var(--radius-card);
border:1px solid var(--line);
border-left:3px solid var(--brand);
background:var(--glass-strong);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-card);
}
.quote-card p{
font-size:16px;
line-height:1.9;
color:var(--text);
}
.quote-card footer{
margin-top:14px;
font-family:var(--font-mono);
font-size:12px;
color:var(--text-3);
}
@media (max-width:1023px){
.trust-metrics{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.logo-wall{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width:520px){
.logo-wall{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
/* ============ FAQ ============ */
.faq-list{
border-top:1px solid var(--line-2);
}
.faq-item{ border-bottom:1px solid var(--line-2); }
.faq-q{
position:relative;
width:100%;
display:flex;
align-items:center;
justify-content:space-between;
gap:16px;
text-align:left;
padding:22px 0 22px 20px;
background:none;
border:0;
color:var(--text);
font-size:17px;
font-weight:600;
line-height:1.5;
cursor:pointer;
transition:color .2s var(--ease);
border-radius:0;
}
.faq-q::before{
content:"";
position:absolute;
left:0; top:22px; bottom:22px;
width:3px;
border-radius:3px;
background:var(--brand);
opacity:0;
transition:opacity .2s var(--ease);
}
.faq-item.is-open .faq-q::before{ opacity:1; }
.faq-q:hover{ color:var(--brand-light); }
.faq-icon{
flex:0 0 auto;
color:var(--text-3);
font-size:14px;
transition:transform .25s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{ transform:rotate(90deg); color:var(--brand); }
.faq-a{
max-height:0;
overflow:hidden;
transition:max-height .32s var(--ease);
}
.faq-item.is-open .faq-a{ max-height:360px; }
.faq-a p{
margin:0 40px 22px 20px;
font-size:15px;
line-height:1.8;
color:var(--text-2);
}
/* ============ CTA 面板 ============ */
.cta-panel{
position:relative;
border-radius:18px;
border:1px solid var(--line);
background:linear-gradient(135deg,rgba(43,227,180,.09),rgba(255,255,255,.045) 46%,rgba(245,165,36,.06));
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-float),inset 0 1px 0 rgba(255,255,255,.08);
padding:40px;
overflow:hidden;
}
.cta-panel h2{
font-size:clamp(24px,3vw,34px);
line-height:1.3;
}
.cta-panel .lead{
margin-top:14px;
font-size:15px;
line-height:1.8;
color:var(--text-2);
max-width:520px;
}
.form-panel{
padding:8px;
border-radius:16px;
border:1px solid var(--line);
background:rgba(11,18,32,.42);
}
.form-row{
display:flex;
gap:8px;
}
.form-row input[type="email"]{
flex:1 1 auto;
min-width:0;
height:48px;
padding:0 16px;
border-radius:var(--radius-input);
border:1px solid var(--line);
background:rgba(255,255,255,.045);
color:var(--text);
font-size:14px;
outline:none;
box-shadow:none;
margin:0;
transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-row input[type="email"]::placeholder{ color:var(--text-3); }
.form-row input[type="email"]:focus{
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.14);
background:rgba(255,255,255,.06);
}
.subscribe-form.has-error input[type="email"]{
border-color:var(--danger);
box-shadow:0 0 0 4px rgba(255,107,107,.14);
}
.form-tip{
margin:10px 4px 2px;
font-size:13px;
line-height:1.6;
color:var(--text-3);
}
.subscribe-form.has-error .form-tip{ color:var(--danger); }
.form-success{
display:flex;
align-items:center;
gap:10px;
padding:16px 18px;
border-radius:12px;
border:1px solid rgba(43,227,180,.35);
background:rgba(43,227,180,.10);
color:var(--brand-light);
font-size:14px;
line-height:1.7;
}
.form-success i{ color:var(--brand); }
.cta-actions{
margin-top:22px;
display:flex;
flex-wrap:wrap;
gap:12px;
}
@media (max-width:767px){
.cta-panel{ padding:26px 22px; }
.form-row{ flex-direction:column; }
.form-row .btn{ width:100%; }
}
/* ============ 页脚 ============ */
.site-footer{
margin-top:0;
background:var(--panel-alt);
border-top:1px solid var(--line-2);
padding-top:64px;
}
.footer-grid{
display:grid;
grid-template-columns:1.5fr 1fr 1fr 1.4fr;
gap:36px;
padding-bottom:48px;
}
.footer-brand{
display:inline-flex;
align-items:center;
gap:10px;
color:var(--text);
font-size:17px;
font-weight:700;
}
.footer-about{
margin-top:16px;
font-size:14px;
line-height:1.8;
color:var(--text-2);
max-width:320px;
}
.footer-contact{
margin-top:18px;
font-size:13px;
line-height:1.9;
color:var(--text-3);
}
.footer-contact a{ color:var(--text-2); }
.footer-contact a:hover{ color:var(--brand); }
.footer-title{
font-size:13px;
letter-spacing:.08em;
color:var(--text-3);
font-weight:600;
margin-bottom:16px;
}
.footer-links li + li{ margin-top:10px; }
.footer-links a{
font-size:14px;
color:var(--text-2);
}
.footer-links a:hover{ color:var(--brand); }
.footer-note{
font-size:13px;
line-height:1.8;
color:var(--text-3);
margin-top:12px;
}
.footer-bottom{
border-top:1px solid var(--line-2);
padding:22px 0 26px;
display:flex;
align-items:center;
justify-content:space-between;
flex-wrap:wrap;
gap:12px;
font-size:13px;
color:var(--text-3);
}
.footer-bottom .meta{ display:flex; gap:18px; flex-wrap:wrap; }
.footer-bottom a{ color:var(--text-3); }
.footer-bottom a:hover{ color:var(--brand); }
@media (max-width:1023px){
.footer-grid{ grid-template-columns:1fr 1fr; gap:28px; }
}
@media (max-width:600px){
.footer-grid{ grid-template-columns:1fr; }
}
/* ============ 移动端吸底 CTA ============ */
.mobile-cta{ display:none; }
/* ============ 移动端导航 ============ */
@media (max-width:1023px){
.menu-toggle{ display:inline-flex; }
.nav-actions .command-search{ display:none; }
.nav-actions .icon-btn{ display:none; }
.nav-menu{
position:fixed;
top:64px; left:0; right:0; bottom:0;
margin:0;
z-index:110;
display:flex;
flex-direction:column;
align-items:stretch;
gap:0;
padding:16px 20px 40px;
background:rgba(11,18,32,.98);
-webkit-backdrop-filter:blur(18px);
backdrop-filter:blur(18px);
transform:translateX(100%);
transition:transform .24s var(--ease);
overflow-y:auto;
}
.nav-menu.is-open{ transform:translateX(0); }
.nav-link{
height:56px;
padding:0 6px;
font-size:16px;
border-bottom:1px solid var(--line-2);
}
.nav-link.is-active::after{ display:none; }
.drawer-extra{
display:block;
margin-top:22px;
}
.drawer-extra .command-search{
display:flex;
width:100%;
height:48px;
}
.drawer-extra .btn{ width:100%; margin-top:14px; }
}
@media (max-width:767px){
.mobile-cta{
display:flex;
position:fixed;
left:0; right:0; bottom:0;
z-index:105;
height:64px;
align-items:center;
gap:12px;
padding:0 16px calc(env(safe-area-inset-bottom, 0px));
background:rgba(11,18,32,.94);
-webkit-backdrop-filter:blur(14px);
backdrop-filter:blur(14px);
border-top:1px solid var(--line);
}
.mobile-cta .mobile-cta-text{
flex:1 1 auto;
min-width:0;
font-size:13px;
line-height:1.4;
color:var(--text-2);
}
.mobile-cta .mobile-cta-text strong{ display:block; color:var(--text); font-size:14px; }
body{ padding-bottom:76px; }
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{
animation-duration:.001ms !important;
animation-iteration-count:1 !important;
transition-duration:.001ms !important;
scroll-behavior:auto !important;
}
}
/* Foundation 覆盖 */
.grid-x{ width:100%; }
body, h1, h2, h3, h4, h5, h6, p, div, span, li{ font-family:var(--font-sans); }
button, .button{ margin:0; }
label{ color:var(--text-2); }
/* roulang page: article */
:root{
--bg:#0B1220;
--panel:#101A2C;
--panel-alt:#0E1626;
--glass:rgba(255,255,255,.055);
--glass-strong:rgba(16,26,44,.82);
--primary:#2BE3B4;
--primary-light:#6BF0CE;
--primary-dark:#14B98F;
--amber:#F5A524;
--danger:#FF6B6B;
--text:#EAF0F7;
--text-2:#A9B7C9;
--text-3:#6E7E93;
--line:rgba(255,255,255,.10);
--line-soft:rgba(255,255,255,.07);
--r-card:14px;
--r-btn:10px;
--r-input:10px;
--r-pill:999px;
--shadow-card:0 8px 24px rgba(0,0,0,.35);
--shadow-float:0 20px 48px rgba(0,0,0,.45);
--font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
--ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
background:var(--bg);
color:var(--text);
font-family:var(--font-sans);
font-size:16px;
line-height:1.8;
-webkit-font-smoothing:antialiased;
overflow-x:hidden;
}
body::before{
content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
background-image:
linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
background-size:32px 32px;
}
body::after{
content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.03;
background-image:url("data:image/svg+xml;utf8,");
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(43,227,180,.28)}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
@media(min-width:768px){.container{padding:0 32px}}
.section{padding:96px 0;position:relative;z-index:2}
.section--tight{padding:72px 0}
.section--deep{padding:128px 0;background:var(--panel-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
@media(max-width:767px){.section{padding:72px 0}.section--deep{padding:80px 0}.section--tight{padding:56px 0}}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
color:var(--primary);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:inline-block}
.section-title{font-size:clamp(26px,3.2vw,38px)}
.section-lead{color:var(--text-2);font-size:16px;max-width:640px;margin-top:14px}
.amber{color:var(--amber)}
/* ============ 导航 ============ */
.site-header{
position:fixed;top:0;left:0;right:0;z-index:80;
height:64px;display:flex;align-items:center;
background:transparent;
border-bottom:1px solid transparent;
transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
background:rgba(11,18,32,.86);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand-dot{width:10px;height:10px;border-radius:3px;background:var(--primary);box-shadow:0 0 14px rgba(43,227,180,.65)}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--text)}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--text-3);padding-top:3px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-link{
position:relative;padding:8px 12px;font-size:14px;color:var(--text-2);
border-radius:8px;transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
background:var(--primary);box-shadow:0 0 12px rgba(43,227,180,.7);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 10px;
background:var(--glass);border:1px solid var(--line);border-radius:var(--r-input);
backdrop-filter:blur(14px);transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search i{color:var(--text-3);font-size:12px}
.command-search input{
flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);
font-size:13px;font-family:inherit;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.16)}
.kbd{
font-family:var(--font-mono);font-size:10px;color:var(--text-3);
border:1px solid var(--line);border-radius:5px;padding:2px 5px;background:rgba(255,255,255,.04);
}
.icon-btn{
width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2);
background:var(--glass);transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,227,180,.5);transform:translateY(-1px)}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
transition:all var(--ease);white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-primary{
background:var(--primary);color:#062018;box-shadow:0 0 0 1px rgba(43,227,180,.6);
}
.btn-primary:hover{background:var(--primary-light);box-shadow:0 0 24px rgba(43,227,180,.35);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-dark);transform:translateY(0)}
.btn-ghost{
background:transparent;color:var(--text);border:1px solid var(--line);
}
.btn-ghost:hover{border-color:rgba(43,227,180,.6);color:var(--primary)}
.btn-text{
display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
}
.btn-text i{transition:transform var(--ease)}
.btn-text:hover i{transform:translateX(4px)}
.menu-toggle{
display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
color:var(--text);align-items:center;justify-content:center;
}
.drawer-extra{display:none}
@media(max-width:1150px){
.nav-actions .command-search{display:none}
}
@media(max-width:1023px){
.menu-toggle{display:inline-flex}
.nav-actions .btn-primary{display:none}
.nav-menu{
position:fixed;top:0;right:0;height:100vh;width:min(86vw,360px);
background:rgba(11,18,32,.97);backdrop-filter:blur(18px);
border-left:1px solid var(--line);
flex-direction:column;align-items:stretch;gap:0;margin:0;padding:88px 24px 40px;
transform:translateX(100%);transition:transform 240ms cubic-bezier(.4,0,.2,1);
overflow-y:auto;z-index:90;
}
.nav-menu.is-open{transform:translateX(0)}
.nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line-soft);border-radius:0}
.nav-link.is-active::after{left:4px;right:auto;width:20px;bottom:0}
.drawer-extra{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.drawer-extra .command-search{display:flex;width:100%}
.drawer-extra .btn{width:100%}
}
/* ============ 文章头部 ============ */
.article-hero{
position:relative;padding:132px 0 56px;overflow:hidden;
border-bottom:1px solid var(--line-soft);
}
.article-hero__bg{
position:absolute;inset:0;z-index:0;
background-image:url("/assets/images/backpic/back-1.png");
background-size:cover;background-position:center;
opacity:.30;
}
.article-hero__bg::after{
content:"";position:absolute;inset:0;
background:linear-gradient(180deg,rgba(11,18,32,.72) 0%,rgba(11,18,32,.94) 70%,var(--bg) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
display:flex;flex-wrap:wrap;align-items:center;gap:8px;
font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text-2);max-width:min(60vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{
display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;
background:rgba(245,165,36,.12);color:var(--amber);border:1px solid rgba(245,165,36,.30);
}
.tag--mint{background:rgba(43,227,180,.12);color:var(--primary);border-color:rgba(43,227,180,.30)}
.article-hero h1{
margin-top:18px;font-size:clamp(28px,4.4vw,50px);line-height:1.18;
max-width:900px;
}
.article-meta{
display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
margin-top:24px;font-size:13px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta .mono{font-family:var(--font-mono);color:var(--text-2)}
.article-meta i{color:rgba(255,255,255,.28)}
.meta-divider{width:1px;height:14px;background:var(--line);display:inline-block}
/* ============ 文章正文布局 ============ */
.article-wrap{padding:64px 0 88px}
.article-layout{
display:grid;grid-template-columns:minmax(0,1fr);gap:56px;
}
@media(min-width:1024px){
.article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:64px}
}
.article-panel{
background:var(--glass-strong);
border:1px solid var(--line);
border-radius:var(--r-card);
box-shadow:var(--shadow-card);
padding:28px 22px;
}
@media(min-width:768px){.article-panel{padding:44px 48px}}
.article-body{max-width:720px;color:var(--text);font-size:16px;line-height:1.9}
.article-body p{margin:0 0 1.2em}
.article-body h2{
position:relative;margin:32px 0 18px;padding-left:16px;font-size:24px;line-height:1.35;
scroll-margin-top:96px;
}
.article-body h2::before{
content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
background:var(--primary);box-shadow:0 0 12px rgba(43,227,180,.5);
}
.article-body h3{
margin:26px 0 12px;font-size:19px;color:var(--text);
display:flex;align-items:baseline;gap:10px;
}
.article-body h3::before{
content:"§";font-family:var(--font-mono);font-size:14px;color:var(--amber);
}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(43,227,180,.35)}
.article-body a:hover{color:var(--primary-light);border-bottom-color:var(--primary-light)}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.2em}
.article-body li{margin:0 0 .55em;list-style:disc;color:var(--text-2)}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
margin:24px 0;padding:18px 22px;border-left:3px solid var(--primary);
background:rgba(255,255,255,.05);border-radius:0 var(--r-card) var(--r-card) 0;
color:var(--text-2);font-size:15.5px;
}
.article-body img{
width:100%;border-radius:12px;border:1px solid var(--line);margin:22px 0 10px;
}
.article-body figcaption,.article-body .caption{
font-size:13px;color:var(--text-3);text-align:center;margin-bottom:22px;
}
.article-body table{
width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
background:rgba(255,255,255,.07);color:var(--text);font-weight:600;text-align:left;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-soft)}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.028)}
.article-body tbody tr:last-child td{border-bottom:0}
.table-scroll{overflow-x:auto;margin:22px 0;border-radius:12px}
.table-scroll table{margin:0;min-width:560px}
.article-body code{
font-family:var(--font-mono);font-size:13.5px;background:rgba(43,227,180,.10);
color:var(--primary-light);padding:2px 6px;border-radius:6px;
}
.article-empty{
text-align:center;padding:56px 20px;color:var(--text-2);
}
.article-empty i{font-size:34px;color:var(--text-3);display:block;margin-bottom:16px}
.article-empty p{margin-bottom:20px}
.article-foot{
max-width:720px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line-soft);
display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
/* ============ 侧边目录 ============ */
.article-aside{display:none}
@media(min-width:1024px){
.article-aside{display:block}
.toc{
position:sticky;top:96px;
background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
padding:20px 18px;backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.toc h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);font-family:var(--font-mono);font-weight:500}
.toc-list{margin-top:14px;border-left:1px solid var(--line);padding-left:14px}
.toc-list li{margin-bottom:10px}
.toc-list a{
display:block;font-size:13.5px;line-height:1.5;color:var(--text-2);
transition:color var(--ease),transform var(--ease);
}
.toc-list a:hover{color:var(--text)}
.toc-list a.is-current{color:var(--primary);transform:translateX(2px)}
}
.toc-side-card{
margin-top:20px;padding:18px;border-radius:var(--r-card);
border:1px solid var(--line);background:linear-gradient(180deg,rgba(43,227,180,.10),rgba(255,255,255,.03));
}
.toc-side-card p{font-size:13.5px;color:var(--text-2);margin-bottom:14px}
.toc-side-card .btn{width:100%;height:42px;font-size:14px}
@media(max-width:1023px){.toc-side-card{display:none}}
/* ============ 内容卡片 ============ */
.grid-3{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
display:flex;flex-direction:column;overflow:hidden;
background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4);box-shadow:var(--shadow-float)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.4,0,.2,1)}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__tag{font-size:12px;color:var(--amber);letter-spacing:.06em}
.card__title{
font-size:18px;line-height:1.45;
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__desc{
font-size:14px;color:var(--text-2);line-height:1.7;
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{
margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
display:flex;align-items:center;justify-content:space-between;
font-size:12.5px;color:var(--text-3);font-family:var(--font-mono);
}
.card__foot .btn-text{font-size:13px;font-family:var(--font-sans)}
/* ============ CTA 面板 ============ */
.cta-panel{
display:grid;gap:28px;padding:32px 24px;border-radius:var(--r-card);
background:var(--glass-strong);border:1px solid var(--line);
backdrop-filter:blur(14px);
box-shadow:var(--shadow-float),inset 0 1px 0 rgba(255,255,255,.08);
}
@media(min-width:900px){
.cta-panel{grid-template-columns:7fr 5fr;align-items:center;gap:44px;padding:48px}
}
.cta-panel h2{font-size:clamp(24px,2.8vw,34px)}
.cta-panel p{color:var(--text-2);margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.sub-form{display:flex;flex-direction:column;gap:12px}
.sub-form input{
height:48px;padding:0 16px;border-radius:var(--r-input);
background:rgba(11,18,32,.6);border:1px solid var(--line);color:var(--text);
font-size:15px;font-family:inherit;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.14)}
.sub-form .btn{width:100%}
.form-note{font-size:12.5px;color:var(--text-3)}
.form-success{
display:flex;align-items:center;gap:10px;
padding:14px 16px;border-radius:var(--r-input);font-size:14px;
background:rgba(43,227,180,.12);border:1px solid rgba(43,227,180,.35);color:var(--primary-light);
}
/* ============ 页脚 ============ */
.site-footer{
position:relative;z-index:2;margin-top:0;
background:var(--panel-alt);border-top:1px solid var(--line-soft);
padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px}}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:320px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--text-2)}
.footer-contact span{display:inline-flex;align-items:center;gap:9px}
.footer-contact i{color:var(--primary);width:16px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
margin-top:56px;padding:22px 0;border-top:1px solid var(--line-soft);
display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
font-size:12.5px;color:var(--text-3);
}
.footer-bottom .mono{font-family:var(--font-mono)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}
/* ============ 移动吸底 CTA ============ */
.mobile-cta{
display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
height:64px;padding:0 16px calc(0px + env(safe-area-inset-bottom,0px));
align-items:center;gap:12px;
background:rgba(11,18,32,.92);backdrop-filter:blur(14px);
border-top:1px solid var(--line);
}
.mobile-cta .btn{flex:1;height:44px;font-size:15px}
@media(max-width:767px){
.mobile-cta{display:flex}
body{padding-bottom:64px}
}
/* ============ 动效偏好 ============ */
@media(prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
/* roulang page: category1 */
:root{
--bg:#0B1220;
--panel:#101A2C;
--alt:#0E1626;
--primary:#2BE3B4;
--primary-light:#6BF0CE;
--primary-dark:#14B98F;
--amber:#F5A524;
--danger:#FF6B6B;
--text:#EAF0F7;
--text-2:#A9B7C9;
--text-3:#6E7E93;
--stroke:rgba(255,255,255,.10);
--divider:rgba(255,255,255,.07);
--glass:rgba(255,255,255,.055);
--glass-strong:rgba(16,26,44,.78);
--radius-card:14px;
--radius-btn:10px;
--radius-pill:999px;
--shadow-card:0 8px 24px rgba(0,0,0,.35);
--shadow-pop:0 20px 48px rgba(0,0,0,.45);
--font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
--ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
font-family:var(--font-sans);
font-size:16px;
line-height:1.8;
color:var(--text);
background-color:var(--bg);
background-image:
linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
background-size:32px 32px;
overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color 200ms var(--ease)}
a:hover{color:var(--primary-light)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(43,227,180,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
/* ============ 导航 ============ */
.site-header{
position:sticky;top:0;z-index:80;
height:64px;
background:transparent;
border-bottom:1px solid transparent;
transition:background 260ms var(--ease),border-color 260ms var(--ease),backdrop-filter 260ms var(--ease);
}
.site-header.is-scrolled{
background:rgba(11,18,32,.86);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
border-bottom:1px solid var(--stroke);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-dot{width:9px;height:9px;border-radius:3px;background:var(--primary);box-shadow:0 0 12px rgba(43,227,180,.6);flex-shrink:0}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--text-3);padding-left:6px;border-left:1px solid var(--stroke);line-height:1}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;
font-size:14px;color:var(--text-2);white-space:nowrap;transition:color 200ms var(--ease);
}
.nav-link::after{
content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform 220ms var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);text-shadow:0 0 14px rgba(43,227,180,.35)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 10px;
background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-btn);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.command-search i{color:var(--text-3);font-size:12px}
.command-search input{
flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--text);font-size:13px;outline:none;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.14)}
.kbd{
font-family:var(--font-mono);font-size:10px;color:var(--text-3);background:rgba(255,255,255,.06);
border:1px solid var(--stroke);border-radius:6px;padding:2px 5px;line-height:1.4;
}
.icon-btn{
display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
border-radius:var(--radius-btn);border:1px solid var(--stroke);background:var(--glass);color:var(--text-2);
transition:color 200ms var(--ease),border-color 200ms var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,227,180,.5)}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
height:46px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
transition:all 200ms var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--primary);color:#07150F;box-shadow:0 0 0 1px rgba(43,227,180,.6)}
.btn-primary:hover{background:var(--primary-light);color:#07150F;transform:translateY(-1px);box-shadow:0 0 24px rgba(43,227,180,.35),0 0 0 1px rgba(43,227,180,.7)}
.btn-primary:active{background:var(--primary-dark);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--stroke)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(43,227,180,.6)}
.btn-text{
display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;background:none;border:0;
color:var(--primary);font-size:14px;font-weight:600;cursor:pointer;
}
.btn-text i{transition:transform 200ms var(--ease)}
.btn-text:hover i{transform:translateX(4px)}
.menu-toggle{
display:none;align-items:center;justify-content:center;width:40px;height:40px;
background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-btn);color:var(--text);cursor:pointer;
}
.drawer-extra{display:none}
/* ============ 面包屑 ============ */
.breadcrumb{
display:flex;flex-wrap:wrap;align-items:center;gap:8px;
font-size:13px;color:var(--text-3);padding:28px 0 0;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text)}
/* ============ 页头 ============ */
.page-hero{padding:32px 0 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;padding-top:24px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.tag{
display:inline-flex;align-items:center;gap:6px;
font-size:12px;letter-spacing:.08em;color:var(--amber);
background:rgba(245,165,36,.10);border:1px solid rgba(245,165,36,.28);
border-radius:var(--radius-pill);padding:4px 12px;line-height:1.6;
}
.tag-primary{color:var(--primary);background:rgba(43,227,180,.10);border-color:rgba(43,227,180,.28)}
.page-hero h1{
font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:700;letter-spacing:-.01em;
margin:18px 0 16px;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-media{
position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--stroke);
box-shadow:var(--shadow-card);aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,18,32,.12)}
.metrics{
display:grid;grid-template-columns:repeat(2,1fr);gap:20px 0;
margin-top:40px;padding-top:28px;border-top:1px solid var(--divider);
}
@media(min-width:768px){.metrics{grid-template-columns:repeat(4,1fr)}}
.metric{padding-right:16px;border-left:1px solid var(--divider);padding-left:20px}
.metric:first-child{border-left:0;padding-left:0}
.metric-num{
font-family:var(--font-mono);font-size:clamp(28px,3.4vw,40px);font-weight:700;
color:var(--text);line-height:1.1;letter-spacing:-.02em;
}
.metric-num em{font-style:normal;color:var(--primary);font-size:.62em;margin-left:2px}
.metric-label{font-size:13px;color:var(--text-3);margin-top:6px}
/* ============ 通用板块 ============ */
.section{padding:72px 0}
@media(min-width:1024px){.section{padding:112px 0}}
.section-alt{background:var(--alt);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.section-head{max-width:64ch;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:700;letter-spacing:-.01em;margin:14px 0 12px}
.section-head p{color:var(--text-2);font-size:16px}
/* ============ 锚点布局 ============ */
.layout-aside{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.layout-aside{grid-template-columns:3fr 9fr;gap:56px;align-items:start}}
.anchor-nav{
position:static;z-index:10;
background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-card);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
padding:18px;
}
@media(min-width:1024px){
.anchor-nav{position:sticky;top:96px}
}
.anchor-nav .anchor-title{
font-size:12px;letter-spacing:.1em;color:var(--text-3);margin-bottom:12px;display:block;
}
.anchor-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.anchor-list::-webkit-scrollbar{display:none}
@media(min-width:1024px){.anchor-list{flex-direction:column;gap:2px;overflow:visible}}
.anchor-list a{
display:block;font-size:14px;color:var(--text-2);padding:9px 12px;border-radius:8px;
white-space:nowrap;border-left:2px solid transparent;transition:all 200ms var(--ease);
}
.anchor-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.anchor-list a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(43,227,180,.08)}
.anchor-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--divider);font-size:13px;color:var(--text-3);line-height:1.7}
/* ============ 长图文 ============ */
.longform{display:flex;flex-direction:column;gap:56px}
@media(min-width:1024px){.longform{gap:80px}}
article.cap{
scroll-margin-top:96px;
padding:28px;
background:rgba(16,26,44,.55);
border:1px solid var(--stroke);
border-radius:var(--radius-card);
box-shadow:var(--shadow-card);
}
@media(min-width:768px){article.cap{padding:36px}}
article.cap h2{
font-size:clamp(21px,2.4vw,28px);line-height:1.35;font-weight:700;letter-spacing:-.01em;
padding-left:14px;border-left:3px solid var(--primary);margin-bottom:18px;
}
article.cap h3{font-size:19px;font-weight:600;margin:28px 0 10px}
article.cap p{color:var(--text-2);font-size:16px;line-height:1.85;margin-bottom:14px}
article.cap p strong{color:var(--text);font-weight:600}
.eyebrow{
font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--amber);
display:block;margin-bottom:10px;
}
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:start;margin-top:24px}
@media(min-width:900px){.split{grid-template-columns:7fr 5fr;gap:36px}}
.split.reverse{grid-template-columns:1fr}
@media(min-width:900px){.split.reverse{grid-template-columns:5fr 7fr}}
.figure{
border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--stroke);
background:var(--panel);box-shadow:var(--shadow-card);aspect-ratio:4/3;
}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.figure:hover img{transform:scale(1.03)}
.figure figcaption{display:none}
.check-list{display:flex;flex-direction:column;gap:12px;margin:18px 0 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;line-height:1.8}
.check-list li i{color:var(--primary);font-size:14px;margin-top:7px;flex-shrink:0}
.num-list{display:flex;flex-direction:column;gap:0;margin-top:20px;border-top:1px solid var(--divider)}
.num-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--divider)}
.num-list .idx{
font-family:var(--font-mono);font-size:13px;color:var(--amber);flex-shrink:0;
width:34px;padding-top:3px;
}
.num-list h4{font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px}
.num-list span{font-size:14px;color:var(--text-2);line-height:1.75}
.callout{
margin-top:24px;padding:18px 20px;border-left:3px solid var(--primary);
background:rgba(43,227,180,.06);border-radius:0 var(--radius-card) var(--radius-card) 0;
color:var(--text-2);font-size:15px;line-height:1.8;
}
.callout strong{color:var(--primary)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{
font-size:13px;color:var(--text-2);background:rgba(255,255,255,.05);
border:1px solid var(--stroke);border-radius:var(--radius-pill);padding:5px 13px;
transition:all 200ms var(--ease);
}
.chip:hover{color:var(--primary);border-color:rgba(43,227,180,.45)}
.quote{
margin-top:24px;padding:20px 22px;border-radius:var(--radius-card);
background:var(--glass);border:1px solid var(--stroke);border-left:3px solid var(--primary);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.quote p{color:var(--text);font-size:15px;line-height:1.85;margin:0 0 10px}
.quote cite{font-style:normal;font-size:13px;color:var(--text-3)}
/* 横向卡带 */
.band{position:relative;margin-top:28px}
.band-track{
display:flex;gap:16px;overflow-x:auto;padding:4px 4px 14px;
scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.band-track::-webkit-scrollbar{height:6px}
.band-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:6px}
.band-card{
flex:0 0 82%;scroll-snap-align:start;
background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-card);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
padding:22px;transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
@media(min-width:768px){.band-card{flex:0 0 46%}}
@media(min-width:1200px){.band-card{flex:0 0 31%}}
.band-card:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4)}
.band-card .band-icon{
width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
background:rgba(245,165,36,.12);color:var(--amber);margin-bottom:14px;font-size:16px;
}
.band-card h4{font-size:17px;font-weight:600;margin-bottom:8px}
.band-card p{font-size:14px;color:var(--text-2);line-height:1.75}
/* 数据条 */
.stat-strip{
display:grid;grid-template-columns:1fr;gap:1px;background:var(--divider);
border:1px solid var(--stroke);border-radius:var(--radius-card);overflow:hidden;margin-top:32px;
}
@media(min-width:768px){.stat-strip{grid-template-columns:repeat(3,1fr)}}
.stat-cell{background:var(--panel);padding:26px 24px}
.stat-cell .num{font-family:var(--font-mono);font-size:34px;font-weight:700;color:var(--primary);line-height:1.1}
.stat-cell .num em{font-style:normal;font-size:.55em;color:var(--text-2);margin-left:3px}
.stat-cell .desc{font-size:13px;color:var(--text-3);margin-top:8px}
/* ============ FAQ ============ */
.faq-list{margin-top:32px;border-top:1px solid var(--divider)}
.faq-item{border-bottom:1px solid var(--divider)}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
padding:24px 0 24px 0;background:none;border:0;text-align:left;cursor:pointer;
color:var(--text);font-size:17px;font-weight:600;line-height:1.6;
position:relative;transition:color 200ms var(--ease);
}
.faq-q::before{
content:"";position:absolute;left:-16px;top:28px;bottom:28px;width:3px;border-radius:3px;
background:var(--primary);transform:scaleY(0);transition:transform 220ms var(--ease);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-icon{
flex-shrink:0;width:22px;height:22px;position:relative;
transition:transform 220ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:background 200ms var(--ease);
}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(90deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-item.is-open .faq-icon::before{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a p{padding:0 40px 26px 0;font-size:15px;color:var(--text-2);line-height:1.85}
/* ============ CTA 面板 ============ */
.cta-panel{
background:var(--glass);border:1px solid var(--stroke);border-radius:20px;
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-pop);
padding:32px;display:grid;grid-template-columns:1fr;gap:32px;
}
@media(min-width:1024px){.cta-panel{grid-template-columns:6fr 6fr;padding:48px;gap:48px;align-items:center}}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin:14px 0 12px}
.cta-panel p{color:var(--text-2);font-size:15px}
.form-panel{
background:rgba(11,18,32,.55);border:1px solid var(--stroke);border-radius:16px;padding:8px;
}
.form-inner{padding:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input,.field select{
width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
background:rgba(255,255,255,.04);border:1px solid var(--stroke);color:var(--text);
font-size:15px;font-family:inherit;outline:none;
transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.14)}
.field select option{background:#101A2C;color:var(--text)}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,107,107,.12)}
.field-msg{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.field.has-error .field-msg{display:block}
.form-panel .btn{width:100%;margin-top:6px}
.form-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7}
.form-success{
display:none;padding:28px 20px;text-align:center;
}
.form-success i{font-size:28px;color:var(--primary);margin-bottom:12px;display:block}
.form-success h4{font-size:17px;font-weight:600;margin-bottom:8px}
.form-success p{font-size:14px;color:var(--text-2)}
/* ============ 页脚 ============ */
.site-footer{
background:var(--alt);border-top:1px solid var(--divider);margin-top:0;
padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:4fr 2fr 2fr 4fr;gap:40px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:36ch}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.footer-contact span{font-size:13px;color:var(--text-3);font-family:var(--font-mono)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-sub p{font-size:14px;color:var(--text-2);margin-bottom:16px;line-height:1.8}
.footer-sub .inline-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-sub input{
flex:1;min-width:180px;height:46px;padding:0 14px;border-radius:var(--radius-btn);
background:rgba(255,255,255,.04);border:1px solid var(--stroke);color:var(--text);
font-size:14px;outline:none;font-family:inherit;
transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.footer-sub input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.14)}
.footer-sub .ok-msg{
display:none;font-size:13px;color:var(--primary);padding:12px 14px;border-radius:var(--radius-btn);
background:rgba(43,227,180,.08);border:1px solid rgba(43,227,180,.28);
}
.footer-bar{
margin-top:56px;border-top:1px solid var(--divider);
padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px 24px;
align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.footer-bar .bar-right{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.footer-bar a{color:var(--text-3)}
.footer-bar a:hover{color:var(--primary)}
/* ============ 移动端 ============ */
@media(max-width:1023px){
.command-search{display:none}
.icon-btn{display:none}
.nav-actions .btn-primary{display:none}
.menu-toggle{display:inline-flex}
.nav-menu{
position:fixed;top:64px;left:0;right:0;bottom:0;
flex-direction:column;align-items:stretch;gap:4px;
background:rgba(11,18,32,.97);backdrop-filter:blur(18px);
padding:24px 20px 40px;margin:0;
transform:translateY(-12px);opacity:0;visibility:hidden;
transition:transform 240ms var(--ease),opacity 240ms var(--ease),visibility 240ms var(--ease);
overflow-y:auto;
}
.nav-menu.is-open{transform:translateY(0);opacity:1;visibility:visible}
.nav-link{height:auto;padding:16px 4px;font-size:17px;border-bottom:1px solid var(--divider)}
.nav-link::after{display:none}
.nav-link.is-active{border-left:3px solid var(--primary);padding-left:12px}
.drawer-extra{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.drawer-extra .command-search{display:flex;width:100%}
}
@media(max-width:767px){
.section{padding:64px 0}
article.cap{padding:22px}
.faq-q{font-size:16px;padding:20px 0}
.faq-a p{padding-right:16px}
.cta-panel{padding:24px}
.metric{border-left:0;padding-left:0;border-top:1px solid var(--divider);padding-top:16px}
.metric:first-child{border-top:0;padding-top:0}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
/* roulang page: category2 */
:root{
--bg:#0B1220;
--panel:#101A2C;
--alt:#0E1626;
--brand:#2BE3B4;
--brand-light:#6BF0CE;
--brand-dark:#14B98F;
--gold:#F5A524;
--danger:#FF6B6B;
--text:#EAF0F7;
--text-2:#A9B7C9;
--text-3:#6E7E93;
--line:rgba(255,255,255,.10);
--line-soft:rgba(255,255,255,.07);
--glass:rgba(255,255,255,.055);
--glass-strong:rgba(255,255,255,.085);
--r-card:14px;
--r-btn:10px;
--r-pill:999px;
--sh-card:0 8px 24px rgba(0,0,0,.35);
--sh-float:0 20px 48px rgba(0,0,0,.45);
--ease:200ms cubic-bezier(.4,0,.2,1);
--font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
--nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
margin:0;
padding:0;
background-color:var(--bg);
background-image:
linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
background-size:32px 32px,32px 32px;
color:var(--text);
font-family:var(--font-sans);
font-size:16px;
line-height:1.8;
letter-spacing:.005em;
overflow-x:hidden;
-webkit-font-smoothing:antialiased;
}
body::after{
content:"";
position:fixed;
inset:0;
pointer-events:none;
z-index:0;
opacity:.028;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
a:hover{color:var(--brand-light);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
::selection{background:rgba(43,227,180,.28);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
/* Foundation 覆盖 */
body,button,input,select,textarea{font-family:var(--font-sans);}
a{color:var(--brand);}
a:hover,a:focus{color:var(--brand-light);}
button,.button{border-radius:var(--r-btn);}
h1,h2,h3,h4,h5{font-family:var(--font-sans);color:var(--text);font-weight:700;line-height:1.25;}
[type=text],[type=email],[type=search],select,textarea{background-color:transparent;border:0;box-shadow:none;margin:0;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
@media (min-width:768px){.container{padding:0 32px;}}
/* ============ 导航 ============ */
.site-header{
position:sticky;
top:0;
z-index:80;
height:var(--nav-h);
display:flex;
align-items:center;
background:transparent;
border-bottom:1px solid transparent;
transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
background:rgba(11,18,32,.86);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-bottom:1px solid var(--line-soft);
}
.nav-inner{
display:flex;
align-items:center;
justify-content:space-between;
gap:24px;
height:var(--nav-h);
}
.brand{
display:inline-flex;
align-items:center;
gap:10px;
color:var(--text);
font-weight:700;
white-space:nowrap;
flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-dot{
width:10px;height:10px;border-radius:3px;
background:var(--brand);
box-shadow:0 0 12px rgba(43,227,180,.55);
flex:0 0 auto;
}
.brand-name{font-size:17px;letter-spacing:.01em;}
.brand-sub{
font-family:var(--font-mono);
font-size:11px;
letter-spacing:.14em;
color:var(--text-3);
border-left:1px solid var(--line);
padding-left:10px;
margin-left:2px;
}
.nav-menu{
display:flex;
align-items:center;
gap:6px;
flex:1 1 auto;
justify-content:center;
}
.nav-link{
position:relative;
font-size:14px;
color:var(--text-2);
padding:8px 12px;
border-radius:8px;
white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
content:"";
position:absolute;
left:12px;right:12px;bottom:-2px;
height:2px;
border-radius:2px;
background:var(--brand);
box-shadow:0 0 12px rgba(43,227,180,.6);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.command-search{
display:flex;
align-items:center;
gap:8px;
width:240px;
height:38px;
padding:0 10px;
background:var(--glass);
border:1px solid var(--line);
border-radius:var(--r-btn);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search input{
flex:1 1 auto;
min-width:0;
height:100%;
border:0;
background:transparent;
color:var(--text);
font-size:14px;
outline:none;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search:focus-within{
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.16);
}
.kbd{
font-family:var(--font-mono);
font-size:11px;
color:var(--text-3);
border:1px solid var(--line);
border-radius:6px;
padding:1px 5px;
white-space:nowrap;
}
.icon-btn{
width:38px;height:38px;
display:inline-flex;align-items:center;justify-content:center;
border:1px solid var(--line);
border-radius:var(--r-btn);
color:var(--text-2);
background:var(--glass);
transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(43,227,180,.5);background:rgba(43,227,180,.08);}
.btn{
display:inline-flex;
align-items:center;
justify-content:center;
gap:8px;
height:46px;
padding:0 22px;
border-radius:var(--r-btn);
border:1px solid transparent;
font-size:15px;
font-weight:600;
cursor:pointer;
white-space:nowrap;
transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{
background:var(--brand);
color:#06231A;
box-shadow:0 0 0 1px rgba(43,227,180,.6);
}
.btn-primary:hover{
background:var(--brand-light);
color:#06231A;
transform:translateY(-1px);
box-shadow:0 0 0 1px rgba(43,227,180,.7),0 0 24px rgba(43,227,180,.35);
}
.btn-primary:active{background:var(--brand-dark);transform:translateY(0);color:#041A13;}
.btn-ghost{
background:transparent;
color:var(--text);
border-color:var(--line);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(43,227,180,.6);background:rgba(43,227,180,.06);}
.btn-ghost:active{background:rgba(43,227,180,.12);}
.btn-text{
display:inline-flex;align-items:center;gap:6px;
color:var(--brand);font-size:14px;font-weight:600;
background:none;border:0;padding:0;cursor:pointer;
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.menu-toggle{
display:none;
width:40px;height:40px;
align-items:center;justify-content:center;
background:var(--glass);
border:1px solid var(--line);
border-radius:var(--r-btn);
color:var(--text);
cursor:pointer;
}
.drawer-extra{display:none;}
/* ============ 面包屑 ============ */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.22);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--brand);}
/* ============ 页头 Hero ============ */
.page-hero{padding:40px 0 72px;}
.hero-grid{
display:grid;
grid-template-columns:1fr;
gap:36px;
align-items:center;
}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
font-size:13px;color:var(--gold);
border:1px solid rgba(245,165,36,.35);
background:rgba(245,165,36,.08);
border-radius:var(--r-pill);
padding:5px 14px;
margin-bottom:20px;
}
.hero-title{
font-size:clamp(34px,5.2vw,58px);
line-height:1.15;
font-weight:700;
letter-spacing:-.01em;
margin-bottom:20px;
}
.hero-title .hl{color:var(--brand);}
.hero-sub{
font-size:17px;
color:var(--text-2);
max-width:640px;
margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-metrics{
display:flex;
flex-wrap:wrap;
gap:0;
border-top:1px solid var(--line-soft);
padding-top:24px;
}
.metric{
padding-right:28px;
margin-right:28px;
border-right:1px solid var(--line-soft);
min-width:120px;
}
.metric:last-child{border-right:0;margin-right:0;padding-right:0;}
.metric-num{
font-family:var(--font-mono);
font-size:clamp(28px,3.4vw,40px);
line-height:1.15;
color:var(--text);
font-weight:600;
letter-spacing:-.02em;
}
.metric-num em{font-style:normal;color:var(--brand);font-size:.55em;margin-left:4px;}
.metric-label{font-size:13px;color:var(--text-3);margin-top:6px;}
.hero-media{
position:relative;
border-radius:16px;
overflow:hidden;
border:1px solid var(--line);
box-shadow:var(--sh-float);
aspect-ratio:4/3;
background:var(--panel);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
content:"";
position:absolute;inset:0;
background:linear-gradient(180deg,rgba(11,18,32,.28),rgba(11,18,32,.55));
}
.hero-media .media-tag{
position:absolute;
left:18px;bottom:18px;
z-index:2;
font-size:13px;
color:var(--text);
background:rgba(11,18,32,.7);
border:1px solid var(--line);
border-radius:var(--r-pill);
padding:6px 14px;
backdrop-filter:blur(10px);
}
@media (min-width:1024px){
.hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
.page-hero{padding:56px 0 96px;}
}
/* ============ 通用板块 ============ */
.section{padding:72px 0;position:relative;}
.section-alt{background:var(--alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{
font-size:clamp(26px,3.4vw,38px);
line-height:1.25;
margin-bottom:14px;
}
.section-desc{color:var(--text-2);font-size:16px;}
.section-head-row{
display:flex;
align-items:flex-end;
justify-content:space-between;
gap:24px;
flex-wrap:wrap;
margin-bottom:40px;
}
@media (min-width:1024px){
.section{padding:112px 0;}
.section.section-md{padding:96px 0;}
.section.section-lg{padding:128px 0;}
}
/* ============ 行业横带 ============ */
.rail-wrap{position:relative;}
.rail{
display:flex;
gap:20px;
overflow-x:auto;
padding:6px 4px 22px;
scroll-snap-type:x mandatory;
-webkit-overflow-scrolling:touch;
scrollbar-width:thin;
mask-image:linear-gradient(90deg,transparent 0,#000 26px,#000 calc(100% - 40px),transparent 100%);
-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 26px,#000 calc(100% - 40px),transparent 100%);
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.rail-card{
flex:0 0 268px;
scroll-snap-align:start;
background:var(--glass);
border:1px solid var(--line);
border-radius:var(--r-card);
padding:24px;
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.rail-card:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.45);background:var(--glass-strong);}
.rail-idx{
font-family:var(--font-mono);
font-size:12px;
color:var(--gold);
letter-spacing:.1em;
margin-bottom:14px;
}
.rail-title{font-size:18px;margin-bottom:10px;}
.rail-text{font-size:14px;color:var(--text-2);line-height:1.75;}
.rail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
font-size:12px;
color:var(--text-2);
border:1px solid var(--line);
border-radius:var(--r-pill);
padding:3px 10px;
}
.tag-gold{color:var(--gold);border-color:rgba(245,165,36,.35);background:rgba(245,165,36,.07);}
/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
content:"";
position:absolute;
top:8px;bottom:8px;
left:7px;
width:2px;
background:linear-gradient(180deg,rgba(43,227,180,0),rgba(43,227,180,.42) 10%,rgba(43,227,180,.42) 90%,rgba(43,227,180,0));
}
.tl-item{
display:grid;
grid-template-columns:24px 1fr;
gap:20px;
padding-bottom:28px;
}
.tl-node{
grid-column:1;
width:14px;height:14px;
margin-top:8px;
border-radius:50%;
background:var(--brand);
box-shadow:0 0 0 5px rgba(43,227,180,.14),0 0 18px rgba(43,227,180,.5);
justify-self:center;
align-self:start;
}
.tl-card{
grid-column:2;
background:var(--glass);
border:1px solid var(--line);
border-radius:var(--r-card);
padding:24px;
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
transition:transform var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4);}
.tl-step{
font-family:var(--font-mono);
font-size:12px;
color:var(--gold);
letter-spacing:.12em;
margin-bottom:10px;
}
.tl-title{font-size:20px;margin-bottom:10px;}
.tl-text{font-size:15px;color:var(--text-2);line-height:1.85;}
.tl-meta{
display:flex;flex-wrap:wrap;gap:8px;
margin-top:16px;
padding-top:14px;
border-top:1px solid var(--line-soft);
font-size:13px;
color:var(--text-3);
}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta i{color:var(--brand);font-size:12px;}
@media (min-width:1024px){
.timeline::before{left:50%;transform:translateX(-1px);}
.tl-item{
grid-template-columns:1fr 96px 1fr;
gap:0;
align-items:start;
padding-bottom:16px;
}
.tl-item .tl-card{grid-row:1;}
.tl-item.tl-left .tl-card{grid-column:1;text-align:right;}
.tl-item.tl-left .tl-meta{justify-content:flex-end;}
.tl-item.tl-right .tl-card{grid-column:3;}
.tl-node{grid-column:2;grid-row:1;margin-top:26px;}
}
/* ============ 5/7 分栏 ============ */
.split{display:grid;grid-template-columns:1fr;gap:36px;}
.split-nums{display:flex;flex-direction:column;gap:22px;}
.split-num-item{display:flex;gap:16px;align-items:flex-start;}
.split-num{
font-family:var(--font-mono);
font-size:15px;
color:var(--gold);
border:1px solid rgba(245,165,36,.32);
border-radius:8px;
padding:4px 9px;
flex:0 0 auto;
line-height:1.4;
}
.split-num-item h3{font-size:18px;margin-bottom:6px;}
.split-num-item p{font-size:14px;color:var(--text-2);line-height:1.8;}
.split-body p{color:var(--text-2);margin-bottom:18px;font-size:16px;}
.split-figure{
border-radius:var(--r-card);
overflow:hidden;
border:1px solid var(--line);
box-shadow:var(--sh-card);
aspect-ratio:16/10;
}
.split-figure img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.split-figure:hover img{transform:scale(1.03);}
.check-list{margin-top:26px;border-top:1px solid var(--line-soft);padding-top:22px;display:grid;gap:12px;}
.check-list li{
display:flex;gap:12px;align-items:flex-start;
font-size:15px;color:var(--text-2);
}
.check-list i{color:var(--brand);margin-top:5px;font-size:13px;}
@media (min-width:1024px){
.split{grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
}
/* ============ 数据条 & 引述 ============ */
.stats-bar{
display:grid;
grid-template-columns:repeat(2,1fr);
gap:1px;
background:var(--line-soft);
border:1px solid var(--line-soft);
border-radius:var(--r-card);
overflow:hidden;
}
.stat{
background:var(--bg);
padding:26px 22px;
}
.stat-num{
font-family:var(--font-mono);
font-size:clamp(28px,3.2vw,38px);
color:var(--brand);
line-height:1.2;
}
.stat-num small{font-size:.5em;color:var(--text-2);margin-left:4px;font-family:var(--font-sans);}
.stat-label{font-size:13px;color:var(--text-3);margin-top:8px;}
.quote-card{
margin-top:28px;
background:var(--glass);
border:1px solid var(--line);
border-left:3px solid var(--brand);
border-radius:var(--r-card);
padding:26px 28px;
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.quote-card p{font-size:16px;color:var(--text);line-height:1.9;margin-bottom:14px;}
.quote-card footer{font-size:13px;color:var(--text-3);}
@media (min-width:768px){
.stats-bar{grid-template-columns:repeat(4,1fr);}
}
/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line-soft);margin-top:8px;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-q{
width:100%;
display:flex;
align-items:center;
justify-content:space-between;
gap:20px;
padding:24px 0 24px 0;
background:none;
border:0;
border-left:3px solid transparent;
color:var(--text);
font-size:17px;
font-weight:600;
text-align:left;
cursor:pointer;
transition:border-color var(--ease),color var(--ease),padding var(--ease);
min-height:44px;
}
.faq-q:hover{color:var(--brand-light);}
.faq-item.is-open .faq-q{border-left-color:var(--brand);padding-left:16px;color:var(--brand);}
.faq-icon{
flex:0 0 auto;
width:28px;height:28px;
display:inline-flex;align-items:center;justify-content:center;
border:1px solid var(--line);
border-radius:50%;
color:var(--text-2);
font-size:12px;
transition:transform var(--ease),color var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(90deg);color:var(--brand);border-color:rgba(43,227,180,.5);}
.faq-a{
max-height:0;
overflow:hidden;
transition:max-height 280ms var(--ease);
}
.faq-a-inner{
padding:0 0 26px 0;
font-size:15px;
line-height:1.8;
color:var(--text-2);
}
.faq-item.is-open .faq-q{padding-bottom:14px;}
.faq-item.is-open .faq-a-inner{padding-left:16px;}
/* ============ CTA 表单 ============ */
.cta-panel{
background:var(--glass);
border:1px solid var(--line);
border-radius:18px;
padding:8px;
box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-float);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
}
.cta-inner{
background:rgba(11,18,32,.58);
border-radius:12px;
padding:32px 26px;
display:grid;
gap:32px;
grid-template-columns:1fr;
}
.cta-title{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.cta-text{color:var(--text-2);font-size:15px;margin-bottom:20px;}
.cta-points{display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start;}
.cta-points i{color:var(--brand);margin-top:5px;font-size:12px;}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--text-2);}
.input,.select{
width:100%;
height:48px;
padding:0 14px;
background:rgba(255,255,255,.04);
border:1px solid var(--line);
border-radius:10px;
color:var(--text);
outline:none;
transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
appearance:none;
-webkit-appearance:none;
}
.select{
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23A9B7C9' stroke-width='1.6'/%3E%3C/svg%3E");
background-repeat:no-repeat;
background-position:right 14px center;
padding-right:38px;
}
.input::placeholder{color:var(--text-3);}
.input:focus,.select:focus{
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.15);
background:rgba(255,255,255,.06);
}
.select option{background:#101A2C;color:var(--text);}
.field.has-error .input,.field.has-error .select{border-color:var(--danger);}
.field-error{font-size:13px;color:var(--danger);display:none;}
.field.has-error .field-error{display:block;}
.form-note{font-size:13px;color:var(--text-3);}
.form-success{
display:none;
align-items:flex-start;
gap:12px;
padding:18px 20px;
border-radius:12px;
border:1px solid rgba(43,227,180,.4);
background:rgba(43,227,180,.09);
color:var(--text);
font-size:15px;
}
.form-success.is-visible{display:flex;}
.form-success i{color:var(--brand);margin-top:4px;}
@media (min-width:768px){
.form-grid{grid-template-columns:1fr 1fr;}
.form-grid .field-full{grid-column:1 / -1;}
.cta-inner{padding:44px 40px;}
}
@media (min-width:1024px){
.cta-inner{grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
}
/* ============ 页脚 ============ */
.site-footer{
margin-top:0;
background:var(--alt);
border-top:1px solid var(--line-soft);
padding:72px 0 0;
}
.footer-grid{
display:grid;
grid-template-columns:1fr;
gap:40px;
padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:18px;max-width:340px;}
.footer-contact{display:grid;gap:8px;font-size:14px;color:var(--text-3);}
.footer-contact span{display:flex;gap:10px;align-items:center;}
.footer-contact i{color:var(--brand);font-size:13px;width:16px;text-align:center;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--text-2);display:inline-block;min-height:22px;}
.footer-links a:hover{color:var(--brand);}
.footer-sub-text{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.footer-bottom{
border-top:1px solid var(--line-soft);
padding:22px 0 28px;
display:flex;
flex-wrap:wrap;
align-items:center;
justify-content:space-between;
gap:14px;
font-size:13px;
color:var(--text-3);
}
.footer-bottom .fb-right{display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}
@media (min-width:768px){
.footer-grid{grid-template-columns:repeat(2,1fr);gap:44px;}
}
@media (min-width:1024px){
.site-footer{padding-top:96px;}
.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
}
/* ============ 吸底 CTA ============ */
.mobile-cta{
display:none;
position:fixed;
left:0;right:0;bottom:0;
z-index:70;
height:64px;
padding:0 16px calc(0px + env(safe-area-inset-bottom));
background:rgba(11,18,32,.92);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-top:1px solid var(--line);
align-items:center;
justify-content:space-between;
gap:14px;
}
.mobile-cta span{font-size:13px;color:var(--text-2);}
.mobile-cta .btn{height:44px;padding:0 18px;font-size:14px;}
/* ============ 移动端导航抽屉 ============ */
@media (max-width:1023px){
.nav-menu{
position:fixed;
top:0;left:0;
width:100%;
height:100vh;
background:rgba(11,18,32,.97);
backdrop-filter:blur(18px);
-webkit-backdrop-filter:blur(18px);
flex-direction:column;
align-items:stretch;
justify-content:flex-start;
gap:4px;
padding:88px 24px 40px;
transform:translateX(100%);
transition:transform 240ms var(--ease);
overflow-y:auto;
z-index:90;
}
.nav-menu.is-open{transform:translateX(0);}
.nav-link{font-size:16px;padding:14px 12px;border-bottom:1px solid var(--line-soft);}
.nav-link.is-active::after{display:none;}
.nav-link.is-active{background:rgba(43,227,180,.08);border-radius:8px;}
.drawer-extra{
display:grid;
gap:14px;
margin-top:24px;
padding-top:20px;
border-top:1px solid var(--line-soft);
}
.drawer-extra .command-search{width:100%;}
.drawer-extra .btn{width:100%;}
.nav-actions .command-search,
.nav-actions .icon-btn,
.nav-actions .btn-sm{display:none;}
.menu-toggle{display:inline-flex;}
.mobile-cta{display:flex;}
body.drawer-open{overflow:hidden;}
}
@media (max-width:767px){
.site-header{height:58px;}
.nav-inner{height:58px;}
.brand-sub{display:none;}
.metric{border-right:0;padding-right:0;margin-right:0;min-width:calc(50% - 12px);}
.hero-metrics{gap:20px 24px;}
.rail-card{padding:20px;flex:0 0 248px;}
.tl-card{padding:20px;}
.cta-inner{padding:24px 20px;}
.section{padding:64px 0;}
.page-hero{padding:28px 0 64px;}
.footer-bottom{flex-direction:column;align-items:flex-start;}
body{padding-bottom:64px;}
}
@media (prefers-reduced-motion:reduce){
*{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
/* roulang page: category3 */
:root{
--bg:#0B1220;
--panel:#101A2C;
--alt:#0E1626;
--primary:#2BE3B4;
--primary-light:#6BF0CE;
--primary-press:#14B98F;
--amber:#F5A524;
--danger:#FF6B6B;
--text:#EAF0F7;
--text-2:#A9B7C9;
--text-3:#6E7E93;
--line:rgba(255,255,255,.10);
--divider:rgba(255,255,255,.07);
--glass:rgba(255,255,255,.055);
--glass-strong:rgba(255,255,255,.085);
--r-card:14px;
--r-btn:10px;
--r-pill:999px;
--shadow-card:0 8px 24px rgba(0,0,0,.35);
--shadow-float:0 20px 48px rgba(0,0,0,.45);
--font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
--ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
font-family:var(--font-sans);
font-size:16px;
line-height:1.8;
color:var(--text);
background-color:var(--bg);
background-image:
linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
background-size:32px 32px;
overflow-x:hidden;
}
body::before{
content:"";
position:fixed;
inset:0;
z-index:0;
pointer-events:none;
opacity:.03;
background-image:url("data:image/svg+xml;utf8,");
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media (min-width:768px){.container{padding:0 32px}}
/* ---------- 头部命令栏 ---------- */
.site-header{
position:sticky;top:0;z-index:80;height:64px;
border-bottom:1px solid transparent;
transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
background:rgba(11,18,32,.86);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-dot{
width:9px;height:9px;border-radius:3px;background:var(--primary);
box-shadow:0 0 12px rgba(43,227,180,.6);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.brand-sub{
font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
color:var(--text-3);border-left:1px solid var(--divider);padding-left:9px;line-height:1
}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
position:relative;display:inline-flex;align-items:center;height:40px;
padding:0 12px;font-size:14px;color:var(--text-2);border-radius:8px;
transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(43,227,180,.5)
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.command-search{
display:flex;align-items:center;gap:8px;height:38px;width:240px;
padding:0 10px;border-radius:var(--r-btn);
background:var(--glass);border:1px solid var(--line);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.command-search i{font-size:13px;color:var(--text-3)}
.command-search input{
flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--text);
font-size:13px;outline:none;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.14)}
.kbd{
font-family:var(--font-mono);font-size:10px;color:var(--text-3);
border:1px solid var(--line);border-radius:5px;padding:2px 5px;line-height:1.2;
}
.icon-btn{
display:inline-flex;align-items:center;justify-content:center;
width:38px;height:38px;border-radius:var(--r-btn);
background:var(--glass);border:1px solid var(--line);color:var(--text-2);
transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(43,227,180,.5)}
.menu-toggle{
display:none;width:40px;height:40px;border-radius:var(--r-btn);
background:var(--glass);border:1px solid var(--line);color:var(--text);
}
.drawer-extra{display:none}
/* ---------- 按钮体系 ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
height:44px;padding:0 20px;font-size:14px;font-weight:600;
border-radius:var(--r-btn);border:1px solid transparent;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-primary{
background:var(--primary);color:#06231B;
box-shadow:0 0 0 1px rgba(43,227,180,.6);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(43,227,180,.35),0 0 0 1px rgba(43,227,180,.8)}
.btn-primary:active{background:var(--primary-press);transform:translateY(0)}
.btn-ghost{
background:transparent;color:var(--text);border-color:var(--line);
}
.btn-ghost:hover{border-color:rgba(43,227,180,.6);color:var(--primary)}
.btn-ghost:active{background:rgba(255,255,255,.05)}
.btn-link{
display:inline-flex;align-items:center;gap:6px;color:var(--primary);
font-size:14px;font-weight:600;padding:4px 0;
}
.btn-link i{transition:transform .2s var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
/* ---------- 通用区块 ---------- */
.section{padding:72px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(14,22,38,.92),rgba(14,22,38,.5))}
@media (min-width:768px){
.section{padding:112px 0}
.section.tight{padding:96px 0}
.section.loose{padding:128px 0}
}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-label{
display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
color:var(--amber);font-family:var(--font-mono);margin-bottom:14px;
}
.sec-label::before{content:"";width:18px;height:1px;background:var(--amber);opacity:.7}
.sec-title{font-size:clamp(26px,3.6vw,40px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.sec-desc{margin-top:14px;color:var(--text-2);font-size:15px;max-width:680px}
.divider{height:1px;background:var(--divider);border:0;margin:0}
/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--text-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-3)}
.breadcrumb [aria-current="page"]{color:var(--text-2)}
/* ---------- 页头 ---------- */
.page-head{padding:28px 0 72px;position:relative}
.tag-pill{
display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
border-radius:var(--r-pill);border:1px solid rgba(245,165,36,.35);
background:rgba(245,165,36,.08);color:var(--amber);font-size:12px;margin-bottom:18px;
}
.page-head h1{
font-size:clamp(34px,5.2vw,60px);line-height:1.15;font-weight:700;letter-spacing:-.01em;
margin-bottom:18px;
}
.page-head h1 em{font-style:normal;color:var(--primary)}
.head-sub{color:var(--text-2);font-size:16px;max-width:560px;margin-bottom:28px}
.head-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.metrics{display:flex;flex-wrap:wrap;align-items:flex-end;gap:0}
.metric{padding:0 26px;border-left:1px solid var(--divider)}
.metric:first-child{padding-left:0;border-left:0}
.metric-num{font-family:var(--font-mono);font-size:clamp(28px,3.4vw,40px);font-weight:600;color:var(--text);line-height:1.1}
.metric-num span{font-size:14px;color:var(--primary);margin-left:4px}
.metric-label{display:block;font-size:13px;color:var(--text-3);margin-top:6px}
.hero-visual{
position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
box-shadow:var(--shadow-card);aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
content:"";position:absolute;inset:0;background:rgba(11,18,32,.12);
}
.hero-visual figcaption{
position:absolute;right:12px;bottom:12px;z-index:2;
font-size:12px;color:var(--text-2);background:rgba(11,18,32,.72);
border:1px solid var(--line);border-radius:8px;padding:6px 10px;backdrop-filter:blur(8px);
}
/* ---------- 对比表 ---------- */
.table-wrap{
border:1px solid var(--line);border-radius:var(--r-card);overflow-x:auto;
background:rgba(16,26,44,.62);box-shadow:var(--shadow-card);
-webkit-overflow-scrolling:touch;
}
.spec-table{width:100%;min-width:820px;border-collapse:collapse;font-size:14px}
.spec-table caption{text-align:left;padding:16px 20px;color:var(--text-3);font-size:13px}
.spec-table th,.spec-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--divider);vertical-align:top}
.spec-table thead th{
background:rgba(255,255,255,.06);color:var(--text);font-size:14px;font-weight:600;
position:sticky;top:0;z-index:3;
}
.spec-table thead th.is-featured{color:var(--primary)}
.spec-table tbody th[scope="row"]{
position:sticky;left:0;z-index:2;background:#101A2C;color:var(--text-2);font-weight:500;
min-width:150px;
}
.spec-table thead th:first-child{position:sticky;left:0;z-index:4;background:#131E33}
.spec-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.spec-table tbody tr:hover{background:rgba(43,227,180,.045)}
.spec-table .num{font-family:var(--font-mono);color:var(--text)}
.spec-table .muted{color:var(--text-3)}
.spec-table .hl{color:var(--amber);font-family:var(--font-mono)}
.table-note{margin-top:16px;font-size:13px;color:var(--text-3)}
/* ---------- 双栏要点 ---------- */
.split-5-7{display:grid;gap:28px}
@media (min-width:1024px){.split-5-7{grid-template-columns:5fr 7fr;gap:48px}}
.panel{
background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
padding:28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
}
.panel-dark{background:rgba(11,18,32,.72)}
.panel h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:18px}
.num-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--divider)}
.num-list li:last-child{border-bottom:0;padding-bottom:0}
.num-list .idx{
font-family:var(--font-mono);font-size:13px;color:var(--amber);flex:0 0 28px;line-height:1.9;
}
.num-list h4{font-size:16px;font-weight:600;margin-bottom:6px}
.num-list p{font-size:14px;color:var(--text-2)}
.check-list li{
display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--divider);
font-size:14px;color:var(--text-2);
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--primary);margin-top:5px;font-size:13px}
.check-list strong{color:var(--text);font-weight:600}
/* ---------- 流程轴 ---------- */
.steps{display:grid;gap:20px}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
position:relative;padding:24px 20px;border-radius:var(--r-card);
background:var(--glass);border:1px solid var(--line);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4)}
.step-idx{
font-family:var(--font-mono);font-size:12px;color:var(--amber);
display:block;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}
.step-meta{
margin-top:16px;padding-top:14px;border-top:1px solid var(--divider);
font-family:var(--font-mono);font-size:12px;color:var(--text-3);
}
/* ---------- 场景卡带 ---------- */
.rail-wrap{position:relative}
.rail{
display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;
scroll-snap-type:x proximity;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.rail .card{flex:0 0 320px;scroll-snap-align:start}
.rail-wrap::after{
content:"";position:absolute;top:0;right:0;bottom:20px;width:64px;pointer-events:none;
background:linear-gradient(90deg,rgba(11,18,32,0),var(--bg));
}
.card{
background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
overflow:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4)}
.card-media{aspect-ratio:4/3;overflow:hidden;background:#0A1striped}
.card-media{background:#0A1120}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px}
.card-tag{font-size:12px;color:var(--amber);letter-spacing:.04em;display:block;margin-bottom:10px}
.card h3{font-size:18px;line-height:1.4;font-weight:600;margin-bottom:10px}
.card p{font-size:14px;color:var(--text-2)}
.card-foot{
display:flex;align-items:center;justify-content:space-between;gap:12px;
margin-top:16px;padding-top:14px;border-top:1px solid var(--divider);
font-size:13px;color:var(--text-3);
}
.card-foot .mono{font-family:var(--font-mono)}
/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq-item{border-bottom:1px solid var(--divider)}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
padding:22px 0 22px 0;background:none;border:0;color:var(--text);
font-size:17px;font-weight:600;text-align:left;line-height:1.5;
position:relative;transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary-light)}
.faq-q::before{
content:"";position:absolute;left:-14px;top:24px;bottom:24px;width:3px;border-radius:3px;
background:var(--primary);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q i{
flex:0 0 auto;font-size:14px;color:var(--text-3);transition:transform .25s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(90deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 0 24px;font-size:15px;color:var(--text-2);max-width:800px}
/* ---------- CTA 面板 ---------- */
.cta-panel{
position:relative;border-radius:20px;padding:40px 28px;
background:
linear-gradient(135deg,rgba(43,227,180,.10),rgba(255,255,255,.03) 55%),
rgba(16,26,44,.72);
border:1px solid var(--line);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-float);
overflow:hidden;
}
@media (min-width:768px){.cta-panel{padding:56px 48px}}
.cta-panel h2{font-size:clamp(24px,3.2vw,34px);line-height:1.28;margin-bottom:14px}
.cta-panel p{color:var(--text-2);max-width:620px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:24px;font-size:13px;color:var(--text-3)}
.cta-points span{display:inline-flex;align-items:center;gap:7px}
.cta-points i{color:var(--primary);font-size:11px}
/* ---------- 表单 ---------- */
.sub-form{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.sub-form input{
height:48px;padding:0 14px;border-radius:var(--r-btn);
background:rgba(11,18,32,.6);border:1px solid var(--line);color:var(--text);
font-size:14px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,180,.12)}
.sub-form input.is-error{border-color:var(--danger)}
.form-msg{font-size:13px;color:var(--danger);min-height:18px}
.form-success{
display:flex;align-items:center;gap:10px;margin-top:14px;
padding:12px 14px;border-radius:var(--r-btn);font-size:13px;
background:rgba(43,227,180,.10);border:1px solid rgba(43,227,180,.35);color:var(--primary-light);
}
/* ---------- 页脚 ---------- */
.site-footer{
margin-top:0;border-top:1px solid var(--line);
background:linear-gradient(180deg,rgba(14,22,38,.6),rgba(11,18,32,.95));
padding:64px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:48px}}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:340px}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:13px;color:var(--text-3)}
.footer-contact li{display:flex;gap:8px;align-items:center}
.footer-col h4,.footer-sub h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col a{
display:block;font-size:14px;color:var(--text-2);padding:6px 0;
transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--primary);transform:translateX(3px)}
.footer-sub p{font-size:13px;color:var(--text-3)}
.footer-bottom{
margin-top:48px;padding-top:22px;border-top:1px solid var(--divider);
display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
font-size:13px;color:var(--text-3);
}
.footer-bottom .mono{font-family:var(--font-mono)}
/* ---------- 移动端抽屉 ---------- */
@media (max-width:900px){
.nav-menu{
position:fixed;left:0;right:0;top:64px;bottom:0;
flex-direction:column;align-items:stretch;gap:2px;margin:0;
padding:20px 20px 48px;overflow-y:auto;
background:rgba(11,18,32,.98);
backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
border-top:1px solid var(--line);
transform:translateX(100%);transition:transform .24s var(--ease);
z-index:79;
}
.nav-menu.is-open{transform:translateX(0)}
.nav-link{height:52px;padding:0 12px;font-size:16px;border-bottom:1px solid var(--divider);border-radius:0}
.nav-link.is-active::after{left:0;right:auto;width:3px;height:22px;bottom:auto;top:15px;border-radius:2px}
.drawer-extra{display:block;margin-top:24px}
.drawer-extra .command-search{width:100%;margin-bottom:16px}
.drawer-extra .btn{width:100%}
.nav-actions .command-search{display:none}
.nav-actions .icon-btn{display:none}
.nav-actions .btn-sm{display:none}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center}
}
@media (max-width:768px){
.metric{padding:0 18px 12px 0;border-left:0}
.metric:first-child{padding-left:0}
.section{padding:64px 0}
.card-body{padding:20px}
.page-head{padding:20px 0 56px}
}
@media (max-width:520px){
.brand-sub{display:none}
.head-cta .btn{width:100%}
.cta-panel{padding:32px 20px}
.panel{padding:22px}
.metrics{gap:8px 0}
.metric{flex:0 0 50%;padding:0 0 14px}
}
@media (prefers-reduced-motion:reduce){
*{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
/* roulang page: category4 */
:root{
--bg:#0B1220;
--bg-alt:#0E1626;
--panel:#101A2C;
--brand:#2BE3B4;
--brand-light:#6BF0CE;
--brand-dark:#14B98F;
--gold:#F5A524;
--danger:#FF6B6B;
--text:#EAF0F7;
--text-2:#A9B7C9;
--text-3:#6E7E93;
--line:rgba(255,255,255,.10);
--divide:rgba(255,255,255,.07);
--glass:rgba(255,255,255,.055);
--glass-strong:rgba(16,26,44,.88);
--r-card:14px;
--r-btn:10px;
--r-input:10px;
--r-pill:999px;
--r-img:16px;
--sh-card:0 8px 24px rgba(0,0,0,.35);
--sh-float:0 20px 48px rgba(0,0,0,.45);
--font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--font-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
--tr:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
margin:0;
font-family:var(--font-sans);
font-size:16px;
line-height:1.8;
color:var(--text);
background-color:var(--bg);
background-image:
linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
background-size:32px 32px;
-webkit-font-smoothing:antialiased;
overflow-x:hidden;
}
body::before{
content:"";
position:fixed;
inset:0;
pointer-events:none;
z-index:0;
opacity:.03;
background-image:url("data:image/svg+xml;utf8,");
}
h1,h2,h3,h4,h5,h6{
margin:0 0 16px;
font-weight:700;
color:var(--text);
letter-spacing:-.01em;
}
h1{font-size:clamp(34px,5.2vw,60px);line-height:1.15}
h2{font-size:clamp(26px,3.2vw,38px);line-height:1.25}
h3{font-size:20px;line-height:1.4}
h4{font-size:16px;line-height:1.5}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:var(--brand-light);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--brand)}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;color-scheme:dark}
.container{
width:100%;
max-width:1220px;
margin:0 auto;
padding:0 20px;
}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}
/* ---------- 通用元素 ---------- */
.eyebrow{
display:inline-flex;
align-items:center;
gap:8px;
font-size:13px;
letter-spacing:.14em;
color:var(--gold);
text-transform:uppercase;
margin-bottom:14px;
}
.eyebrow i{font-size:12px}
.lead{
color:var(--text-2);
font-size:16px;
line-height:1.8;
}
.overline{
font-family:var(--font-mono);
font-size:12px;
letter-spacing:.16em;
color:var(--text-3);
text-transform:uppercase;
}
.section{padding:96px 0;position:relative;z-index:1}
.section--deep{padding:128px 0;background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--text-2)}
.divider{height:1px;background:var(--divide);border:0;margin:0}
/* ---------- 按钮 ---------- */
.btn{
display:inline-flex;
align-items:center;
justify-content:center;
gap:8px;
height:48px;
padding:0 22px;
border-radius:var(--r-btn);
font-size:15px;
font-weight:600;
border:1px solid transparent;
transition:transform var(--tr), box-shadow var(--tr), border-color var(--tr), color var(--tr), background-color var(--tr);
min-height:44px;
white-space:nowrap;
}
.btn i{font-size:13px;transition:transform var(--tr)}
.btn:hover i.fa-arrow-right{transform:translateX(4px)}
.btn-primary{
background:var(--brand);
color:#08131F;
box-shadow:0 0 0 1px rgba(43,227,180,.6);
}
.btn-primary:hover{
color:#08131F;
background:var(--brand-light);
transform:translateY(-1px);
box-shadow:0 0 24px rgba(43,227,180,.35), 0 0 0 1px rgba(43,227,180,.7);
}
.btn-primary:active{background:var(--brand-dark);transform:translateY(0)}
.btn-ghost{
background:transparent;
color:var(--text);
border-color:var(--line);
}
.btn-ghost:hover{
color:var(--brand);
border-color:rgba(43,227,180,.6);
transform:translateY(-1px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{
display:inline-flex;
align-items:center;
gap:8px;
color:var(--brand-light);
font-size:14px;
font-weight:600;
}
.link-arrow i{transition:transform var(--tr);font-size:12px}
.link-arrow:hover i{transform:translateX(4px)}
/* ---------- 导航 ---------- */
.site-header{
position:sticky;
top:0;
z-index:120;
height:64px;
background:transparent;
transition:background-color var(--tr), backdrop-filter var(--tr), border-color var(--tr);
border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
background:rgba(11,18,32,.86);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-bottom-color:var(--line);
}
.nav-inner{
height:64px;
display:flex;
align-items:center;
gap:24px;
}
.brand{
display:inline-flex;
align-items:center;
gap:10px;
color:var(--text);
flex-shrink:0;
}
.brand:hover{color:var(--text)}
.brand-dot{
width:10px;height:10px;
border-radius:3px;
background:var(--brand);
box-shadow:0 0 14px rgba(43,227,180,.6);
flex-shrink:0;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-sub{
font-family:var(--font-mono);
font-size:10px;
letter-spacing:.18em;
color:var(--text-3);
padding-left:8px;
border-left:1px solid var(--line);
line-height:1.2;
}
.nav-menu{
display:flex;
align-items:center;
gap:4px;
margin-left:8px;
}
.nav-link{
position:relative;
display:inline-flex;
align-items:center;
height:64px;
padding:0 14px;
font-size:14px;
color:var(--text-2);
transition:color var(--tr);
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
content:"";
position:absolute;
left:14px;right:14px;bottom:14px;
height:2px;
border-radius:2px;
background:var(--brand);
box-shadow:0 0 12px rgba(43,227,180,.6);
}
.nav-actions{
margin-left:auto;
display:flex;
align-items:center;
gap:12px;
}
.command-search{
display:flex;
align-items:center;
gap:8px;
width:240px;
height:38px;
padding:0 10px;
border-radius:var(--r-input);
background:var(--glass);
border:1px solid var(--line);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
transition:border-color var(--tr), box-shadow var(--tr);
}
.command-search i{color:var(--text-3);font-size:13px}
.command-search input{
flex:1;
min-width:0;
height:100%;
border:0;
background:transparent;
color:var(--text);
font-size:13px;
}
.command-search input::placeholder{color:var(--text-3)}
.command-search input:focus{outline:none}
.command-search:focus-within{
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.16);
}
.kbd{
font-family:var(--font-mono);
font-size:11px;
color:var(--text-3);
border:1px solid var(--line);
border-radius:6px;
padding:1px 5px;
line-height:1.5;
}
.icon-btn{
display:inline-flex;
align-items:center;
justify-content:center;
width:40px;height:40px;
border-radius:var(--r-btn);
border:1px solid var(--line);
color:var(--text-2);
background:transparent;
transition:color var(--tr), border-color var(--tr), background-color var(--tr);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(43,227,180,.5);background:rgba(43,227,180,.06)}
.menu-toggle{
display:none;
align-items:center;
justify-content:center;
width:40px;height:40px;
border-radius:var(--r-btn);
border:1px solid var(--line);
background:transparent;
color:var(--text);
}
.drawer-extra{display:none}
/* ---------- 面包屑 ---------- */
.breadcrumb{
position:relative;
z-index:1;
padding:22px 0 0;
}
.breadcrumb ol{
display:flex;
flex-wrap:wrap;
align-items:center;
gap:10px;
font-size:13px;
color:var(--text-3);
}
.breadcrumb li:not(:last-child)::after{
content:"/";
margin-left:10px;
color:var(--text-3);
opacity:.6;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--text)}
/* ---------- Hero ---------- */
.hero{
position:relative;
z-index:1;
padding:64px 0 72px;
}
.hero-copy h1{margin-bottom:20px}
.hero-sub{
font-size:17px;
color:var(--text-2);
max-width:560px;
margin-bottom:28px;
}
.hero-actions{
display:flex;
flex-wrap:wrap;
gap:14px;
margin-bottom:18px;
}
.hero-note{
font-size:13px;
color:var(--text-3);
margin:0;
}
.hero-media{position:relative}
.hero-media::after{
content:"";
position:absolute;
inset:0;
border-radius:var(--r-img);
background:rgba(11,18,32,.12);
pointer-events:none;
}
.hero-media img{
width:100%;
aspect-ratio:4/3;
object-fit:cover;
border-radius:var(--r-img);
border:1px solid var(--line);
box-shadow:var(--sh-card);
}
.metrics{
display:flex;
flex-wrap:wrap;
margin-top:44px;
border-top:1px solid var(--divide);
padding-top:28px;
}
.metric{
padding:0 32px;
border-left:1px solid var(--divide);
min-width:0;
}
.metric:first-child{padding-left:0;border-left:0}
.metric-num{
display:block;
font-family:var(--font-mono);
font-size:clamp(30px,3.6vw,42px);
font-weight:700;
color:var(--brand);
line-height:1.15;
}
.metric-label{
display:block;
font-size:13px;
color:var(--text-2);
margin-top:6px;
}
/* ---------- 横向卡带 ---------- */
.rail-wrap{position:relative;z-index:1}
.rail{
display:flex;
gap:20px;
overflow-x:auto;
padding:4px 4px 18px;
scroll-snap-type:x proximity;
-webkit-overflow-scrolling:touch;
mask-image:linear-gradient(90deg, transparent 0, #000 32px, #000 calc(100% - 48px), transparent 100%);
-webkit-mask-image:linear-gradient(90deg, transparent 0, #000 32px, #000 calc(100% - 48px), transparent 100%);
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px}
.rail-item{
flex:0 0 268px;
scroll-snap-align:start;
padding:22px;
border-radius:var(--r-card);
background:var(--glass);
border:1px solid var(--line);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
transition:transform var(--tr), border-color var(--tr);
}
.rail-item:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4)}
.rail-item i{
font-size:18px;
color:var(--gold);
margin-bottom:14px;
display:block;
}
.rail-item h3{font-size:17px;margin-bottom:8px}
.rail-item p{font-size:14px;color:var(--text-2);margin:0}
/* ---------- 瀑布流 ---------- */
.masonry{
column-count:3;
column-gap:24px;
}
.wf-card{
display:inline-block;
width:100%;
break-inside:avoid;
-webkit-column-break-inside:avoid;
page-break-inside:avoid;
margin:0 0 24px;
border-radius:var(--r-card);
background:rgba(16,26,44,.72);
border:1px solid var(--line);
box-shadow:var(--sh-card);
overflow:hidden;
transition:transform var(--tr), border-color var(--tr);
}
.wf-card:hover{transform:translateY(-2px);border-color:rgba(43,227,180,.4)}
.wf-cover{overflow:hidden;border-bottom:1px solid var(--divide)}
.wf-cover img{
width:100%;
aspect-ratio:16/9;
object-fit:cover;
transition:transform 320ms cubic-bezier(.4,0,.2,1);
}
.wf-card.is-tall .wf-cover img{aspect-ratio:4/5}
.wf-card:hover .wf-cover img{transform:scale(1.03)}
.wf-body{padding:24px}
.tag{
display:inline-block;
font-size:12px;
letter-spacing:.06em;
color:var(--gold);
margin-bottom:10px;
}
.wf-body h3{font-size:18px;margin-bottom:8px}
.wf-body p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.wf-meta{
display:flex;
align-items:center;
justify-content:space-between;
gap:12px;
font-size:13px;
color:var(--text-3);
border-top:1px solid var(--divide);
padding-top:14px;
}
.wf-meta .num{font-family:var(--font-mono)}
/* ---------- 表单面板 ---------- */
.form-panel{
margin:8px 0 32px;
padding:32px;
border-radius:var(--r-card);
background:var(--glass-strong);
border:1px solid var(--line);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
box-shadow:var(--sh-float), inset 0 1px 0 rgba(255,255,255,.08);
}
.form-panel h2{font-size:26px;margin-bottom:10px}
.form-panel > p{color:var(--text-2);font-size:15px;margin-bottom:24px}
.form-grid{
display:grid;
grid-template-columns:repeat(2,minmax(0,1fr));
gap:16px;
}
.field{display:flex;flex-direction:column}
.field--full{grid-column:1 / -1}
.field label{
font-size:13px;
color:var(--text-2);
margin-bottom:6px;
}
.field input,
.field select,
.field textarea{
width:100%;
height:48px;
padding:0 14px;
border-radius:var(--r-input);
background:rgba(11,18,32,.65);
border:1px solid var(--line);
color:var(--text);
font-size:15px;
transition:border-color var(--tr), box-shadow var(--tr);
}
.field textarea{
height:112px;
padding:12px 14px;
line-height:1.7;
resize:vertical;
}
.field select{
appearance:none;
background-image:linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
background-position:calc(100% - 20px) 21px, calc(100% - 15px) 21px;
background-size:5px 5px, 5px 5px;
background-repeat:no-repeat;
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3)}
.field input:focus,
.field select:focus,
.field textarea:focus{
outline:none;
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.16);
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select{border-color:var(--danger)}
.field .err{
display:none;
font-size:13px;
color:var(--danger);
margin-top:6px;
}
.field.has-error .err{display:block}
.form-actions{
display:flex;
flex-wrap:wrap;
align-items:center;
gap:16px;
margin-top:24px;
}
.form-hint{font-size:13px;color:var(--text-3);margin:0}
.form-success{
display:none;
align-items:flex-start;
gap:14px;
padding:22px;
border-radius:var(--r-card);
background:rgba(43,227,180,.09);
border:1px solid rgba(43,227,180,.35);
}
.form-success.is-visible{display:flex}
.form-success i{color:var(--brand);font-size:18px;margin-top:4px}
.form-success h3{font-size:17px;margin-bottom:6px}
.form-success p{font-size:14px;color:var(--text-2);margin:0}
/* ---------- 响应等级 5/7 ---------- */
.sla-grid{align-items:flex-start}
.sla-left h2{font-size:clamp(26px,3vw,34px)}
.sla-codes{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.sla-code{
display:flex;
align-items:center;
gap:12px;
font-family:var(--font-mono);
font-size:13px;
color:var(--text-2);
}
.sla-code span{
display:inline-flex;
align-items:center;
justify-content:center;
width:34px;height:34px;
border-radius:9px;
border:1px solid var(--line);
color:var(--gold);
background:rgba(245,165,36,.08);
font-size:12px;
}
.sla-list li{
display:flex;
gap:16px;
padding:18px 0;
border-bottom:1px solid var(--divide);
}
.sla-list li:first-child{padding-top:0}
.sla-list .lv{
font-family:var(--font-mono);
font-size:13px;
color:var(--brand);
flex:0 0 46px;
padding-top:3px;
}
.sla-list h3{font-size:17px;margin-bottom:6px}
.sla-list p{font-size:14px;color:var(--text-2);margin:0}
.check-list{
margin-top:28px;
padding-top:22px;
border-top:1px solid var(--divide);
display:grid;
gap:12px;
}
.check-list li{
display:flex;
gap:10px;
font-size:14px;
color:var(--text-2);
}
.check-list i{color:var(--brand);font-size:13px;margin-top:6px}
/* ---------- FAQ ---------- */
.faq-list{
border-top:1px solid var(--divide);
max-width:860px;
}
.faq-item{border-bottom:1px solid var(--divide)}
.faq-q{
position:relative;
width:100%;
display:flex;
align-items:center;
justify-content:space-between;
gap:20px;
padding:22px 0 22px 0;
background:transparent;
border:0;
color:var(--text);
font-size:17px;
font-weight:600;
text-align:left;
transition:color var(--tr), padding-left var(--tr);
}
.faq-q::before{
content:"";
position:absolute;
left:0;top:20px;bottom:20px;
width:3px;
border-radius:3px;
background:var(--brand);
opacity:0;
transition:opacity var(--tr);
}
.faq-q:hover{color:var(--brand-light)}
.faq-item.is-open .faq-q{padding-left:18px;color:var(--brand)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{
flex:0 0 auto;
width:26px;height:26px;
display:inline-flex;
align-items:center;
justify-content:center;
border-radius:50%;
border:1px solid var(--line);
color:var(--text-3);
font-size:12px;
transition:transform var(--tr), color var(--tr), border-color var(--tr);
}
.faq-item.is-open .faq-icon{
transform:rotate(90deg);
color:var(--brand);
border-color:rgba(43,227,180,.5);
}
.faq-a{
max-height:0;
overflow:hidden;
transition:max-height 260ms cubic-bezier(.4,0,.2,1);
}
.faq-a p{
padding:0 0 24px 18px;
font-size:15px;
color:var(--text-2);
line-height:1.8;
margin:0;
}
/* ---------- 底部 CTA ---------- */
.cta-panel{
padding:56px 48px;
border-radius:18px;
background:var(--glass);
border:1px solid var(--line);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
box-shadow:var(--sh-float), inset 0 1px 0 rgba(255,255,255,.08);
text-align:center;
}
.cta-panel h2{margin-bottom:14px}
.cta-panel > p{
color:var(--text-2);
max-width:640px;
margin:0 auto 28px;
}
.cta-actions{
display:flex;
flex-wrap:wrap;
justify-content:center;
gap:14px;
margin-bottom:26px;
}
.cta-points{
display:flex;
flex-wrap:wrap;
justify-content:center;
gap:28px;
font-size:13px;
color:var(--text-3);
}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{color:var(--brand);font-size:12px}
/* ---------- 页脚 ---------- */
.site-footer{
position:relative;
z-index:1;
background:var(--bg-alt);
border-top:1px solid var(--divide);
padding:72px 0 0;
margin-top:0;
}
.footer-grid{padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{
font-size:14px;
color:var(--text-2);
max-width:300px;
margin-bottom:20px;
}
.footer-contact{display:grid;gap:10px;font-size:13px;color:var(--text-2)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--text-3);margin-top:6px;font-size:12px}
.site-footer h4{
font-size:14px;
color:var(--text);
margin-bottom:16px;
letter-spacing:.02em;
}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-sub p{font-size:13px;color:var(--text-3);margin-bottom:14px}
.subscribe-form{
display:flex;
gap:10px;
flex-wrap:wrap;
}
.subscribe-form input{
flex:1 1 180px;
min-width:0;
height:48px;
padding:0 14px;
border-radius:var(--r-input);
background:rgba(11,18,32,.65);
border:1px solid var(--line);
color:var(--text);
font-size:14px;
}
.subscribe-form input::placeholder{color:var(--text-3)}
.subscribe-form input:focus{
outline:none;
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(43,227,180,.16);
}
.form-note{
font-size:13px;
color:var(--brand);
margin:12px 0 0;
min-height:20px;
}
.form-note.is-error{color:var(--danger)}
.footer-bar{
display:flex;
flex-wrap:wrap;
justify-content:space-between;
gap:12px;
padding:22px 0;
border-top:1px solid var(--divide);
font-size:13px;
color:var(--text-3);
}
.footer-bar p{margin:0}
/* ---------- 吸底 CTA ---------- */
.sticky-cta{display:none}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
.nav-actions .command-search{display:none}
}
@media (max-width:1023px){
.menu-toggle{display:inline-flex}
.nav-menu{
position:fixed;
top:64px;
right:0;
bottom:0;
width:min(360px,86vw);
margin-left:0;
flex-direction:column;
align-items:stretch;
gap:4px;
padding:24px;
background:rgba(11,18,32,.98);
backdrop-filter:blur(18px);
-webkit-backdrop-filter:blur(18px);
border-left:1px solid var(--line);
transform:translateX(102%);
transition:transform 240ms cubic-bezier(.4,0,.2,1);
overflow-y:auto;
}
.nav-menu.is-open{transform:translateX(0)}
.nav-link{height:48px;padding:0 12px;border-radius:var(--r-btn)}
.nav-link.is-active{background:rgba(43,227,180,.08)}
.nav-link.is-active::after{display:none}
.nav-actions > .icon-btn{display:none}
.drawer-extra{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.drawer-extra .command-search{width:100%}
.masonry{column-count:2}
.hero{padding:40px 0 56px}
.hero-copy{margin-bottom:36px}
.section{padding:72px 0}
.section--deep{padding:88px 0}
.metric{padding:0 22px}
}
@media (max-width:767px){
.container{padding:0 20px}
.brand-sub{display:none}
.hero-media img{aspect-ratio:16/10}
.metrics{margin-top:32px;padding-top:22px;gap:20px}
.metric{
border-left:0;
padding:0;
flex:1 1 44%;
}
.form-panel{padding:24px}
.form-grid{grid-template-columns:1fr;gap:14px}
.masonry{column-count:1}
.wf-body{padding:20px}
.cta-panel{padding:36px 22px}
.cta-actions .btn{width:100%}
.site-footer{padding-top:56px;padding-bottom:64px}
.footer-bar{flex-direction:column}
.nav-actions .btn-sm{display:none}
.sticky-cta{
display:flex;
align-items:center;
justify-content:space-between;
gap:12px;
position:fixed;
left:0;right:0;bottom:0;
height:64px;
padding:0 16px calc(0px + env(safe-area-inset-bottom));
background:rgba(11,18,32,.94);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
border-top:1px solid var(--line);
z-index:110;
transform:translateY(110%);
transition:transform 240ms cubic-bezier(.4,0,.2,1);
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-cta__text{font-size:13px;color:var(--text-2)}
.site-footer{margin-bottom:0}
}
@media (max-width:520px){
.rail-item{flex:0 0 82%}
.metric{flex:1 1 100%}
.faq-q{font-size:16px}
.sla-list .lv{flex:0 0 38px}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{
animation-duration:.001ms !important;
transition-duration:.001ms !important;
scroll-behavior:auto !important;
}
}