/* roulang page: index */
:root{
--ink-900:#0E1B1A;
--ink-700:#243835;
--ink-500:#566763;
--brand-700:#123B36;
--brand-600:#17504A;
--brand-500:#1E6B62;
--brand-50:#E8EFEC;
--accent-500:#E0723A;
--accent-600:#C75F2C;
--bg:#F7F5F0;
--surface:#FFFFFF;
--surface-2:#EFEDE6;
--line:#E3E0D8;
--ok:#2F7A5A;
--warn:#C9911F;
--err:#B4453C;
--r-btn:10px;
--r-card:18px;
--r-img:14px;
--r-pill:999px;
--shadow-card:0 1px 2px rgba(14,27,26,.04),0 12px 32px -18px rgba(14,27,26,.14);
--shadow-hover:0 18px 44px -20px rgba(14,27,26,.22);
--container:1200px;
--font-title:"Noto Serif SC","Songti SC","SimSun",serif;
--font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
--ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink-700);font-family:var(--font-body);font-size:16.5px;line-height:1.85;letter-spacing:0;-webkit-font-smoothing:antialiased}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-600)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--ink-900);font-weight:600;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(34px,5.2vw,58px);line-height:1.18}
h2{font-size:clamp(26px,3.2vw,38px);line-height:1.25}
h3{font-size:21px;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
::selection{background:var(--brand-50);color:var(--brand-700)}
/* ---------- 容器与通用 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--line{border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head .lead{max-width:620px}
.section-head p{margin-top:12px;color:var(--ink-500);font-size:15px;max-width:560px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--brand-600);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-500);display:block}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand-600);white-space:nowrap}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.media{background:linear-gradient(135deg,var(--surface-2),var(--brand-50));border-radius:var(--r-img);overflow:hidden}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;transition:background-color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(14,27,26,.22);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
/* ---------- 标签 / 徽章 ---------- */
.pill{display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);background:var(--brand-50);color:var(--brand-600);font-size:12px;line-height:1.7}
.badge-new{display:inline-flex;align-items:center;padding:2px 9px;border-radius:var(--r-pill);background:var(--accent-500);color:#fff;font-size:11px;line-height:1.7}
.seal{display:inline-flex;align-items:center;padding:4px 10px;border-radius:4px;border:1px solid var(--brand-500);color:var(--brand-600);font-size:11px;letter-spacing:.12em}
.dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--ink-500);margin-right:7px;vertical-align:middle}
/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,240,.6);transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);border-bottom:1px solid transparent}
.site-header.is-stuck{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:0 10px 30px -26px rgba(14,27,26,.45)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand-mark{width:24px;height:24px;flex:0 0 24px;color:var(--brand-600)}
.brand-name{font-family:var(--font-title);font-size:17px;font-weight:600}
.nav-links{display:flex;align-items:center;gap:28px;flex:1;justify-content:center}
.nav-link{position:relative;font-size:15px;color:var(--ink-700);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand-500);transition:width .24s var(--ease)}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand-600)}
.nav-link.is-active::after{width:100%}
.nav-link.is-active::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:4px;height:4px;border-radius:50%;background:var(--accent-500)}
.nav-actions{display:flex;align-items:center;gap:16px}
.search{position:relative;display:flex;align-items:center;width:200px;height:38px;border-radius:var(--r-pill);background:var(--surface-2);border:1px solid transparent;transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search svg{width:16px;height:16px;margin:0 8px 0 14px;color:var(--ink-500);flex:0 0 16px}
.search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px;padding:0 14px 0 0}
.search input::placeholder{color:var(--ink-500)}
.search.is-focus{background:var(--surface);border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,107,98,.12)}
.login-link{font-size:15px;color:var(--ink-700);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.login-link:hover{color:var(--brand-600);border-bottom-color:var(--brand-600)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-btn);position:relative;align-items:center;justify-content:center}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle span:nth-child(1){top:13px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:25px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{position:fixed;left:0;right:0;top:68px;bottom:0;background:var(--surface);padding:24px;overflow-y:auto;transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer .search{width:100%;margin-bottom:22px}
.drawer-nav a{display:block;font-size:18px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink-900)}
.drawer-nav a.is-active{color:var(--brand-600)}
.drawer-foot{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.drawer-foot .btn{width:100%}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 88px;background-color:var(--bg);background-image:radial-gradient(720px 720px at 78% 8%,rgba(30,107,98,.07),transparent 68%),repeating-linear-gradient(to bottom,transparent 0,transparent 95px,rgba(227,224,216,.5) 95px,rgba(227,224,216,.5) 96px)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-title{margin:18px 0 0}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-500);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{display:flex;gap:24px;margin-top:44px;flex-wrap:wrap}
.metric{padding-left:24px;border-left:1px solid var(--line)}
.metric:first-child{padding-left:0;border-left:0}
.metric-num{display:block;font-family:var(--font-title);font-size:32px;color:var(--ink-900);letter-spacing:-.02em;line-height:1.2}
.metric-label{font-size:13px;color:var(--ink-500)}
.hero-media{position:relative}
.hero-media .media{aspect-ratio:16/10;border:1px solid var(--line);border-radius:20px}
.float-card{position:absolute;right:-8px;bottom:-18px;width:230px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-card);padding:14px 16px}
.float-card b{display:block;font-family:var(--font-title);font-size:15px;color:var(--ink-900)}
.float-card span{font-size:12.5px;color:var(--ink-500)}
.float-card .seal{margin-bottom:8px}
/* ---------- 理念 / 故事 ---------- */
.story-grid{display:grid;grid-template-columns:200px 1fr;gap:48px}
.story-aside{display:flex;gap:16px;align-items:flex-start}
.story-num{font-family:var(--font-title);font-size:56px;line-height:1;color:var(--brand-500);letter-spacing:-.02em}
.story-vertical{writing-mode:vertical-rl;font-size:13px;letter-spacing:.2em;color:var(--ink-500);border-left:1px solid var(--line);padding-left:10px;height:104px}
.story-copy p+p{margin-top:1.4em}
.story-copy p{max-width:760px}
.principles{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px}
.principle{padding:0 32px;border-left:1px solid var(--line)}
.principle:first-child{padding-left:0;border-left:0}
.principle svg{width:22px;height:22px;color:var(--brand-600);margin-bottom:12px}
.principle h3{font-size:16px;font-family:var(--font-body);font-weight:600}
.principle p{margin-top:8px;font-size:14px;color:var(--ink-500);line-height:1.8}
/* ---------- 精选内容 8+4 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.feature-main{grid-column:span 8}
.feature-side{grid-column:span 4;display:flex;flex-direction:column;gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(30,107,98,.22)}
.card:hover .media img{transform:scale(1.03)}
.card-body{padding:24px}
.card-body h3{margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--ink-500)}
.feature-main .media{aspect-ratio:16/9}
.feature-side .card{display:flex;gap:0;flex-direction:column}
.feature-side .media{aspect-ratio:16/9}
.feature-side .card-body{padding:18px 20px}
.feature-side .card-body p{-webkit-line-clamp:2}
/* ---------- 通道清单 ---------- */
.channel-list{border-top:1px solid var(--line)}
.channel-row{display:grid;grid-template-columns:220px 1fr auto;gap:32px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);transition:background-color .2s var(--ease)}
.channel-row:hover{background:rgba(232,239,236,.6)}
.channel-row h3{font-size:19px}
.channel-row p{font-size:14.5px;color:var(--ink-500)}
/* ---------- 最新信息 ---------- */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);color:var(--ink-700)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(30,107,98,.22);color:var(--ink-700)}
.post-card .top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.post-card h3{font-size:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{margin-top:10px;font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500)}
.post-foot svg{width:16px;height:16px;color:var(--brand-500);transition:transform .24s var(--ease)}
.post-card:hover .post-foot svg{transform:translateX(3px)}
.post-cover{aspect-ratio:3/2;border-radius:var(--r-img);overflow:hidden;background:linear-gradient(135deg,var(--surface-2),var(--brand-50));margin-bottom:16px}
.post-cover img{width:100%;height:100%;object-fit:cover}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:16px;padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface)}
.empty-state svg{width:40px;height:40px;color:var(--line)}
.empty-state p{font-size:15px;color:var(--ink-500)}
.skeleton{display:none;grid-column:1/-1;gap:16px}
.skeleton-bar{height:14px;border-radius:8px;background:var(--surface-2);width:60%}
/* ---------- 信任背书 ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.logo-item{font-family:var(--font-title);font-size:16px;color:var(--ink-500);opacity:.6;filter:grayscale(1);text-align:center;transition:opacity .24s var(--ease),color .24s var(--ease),filter .24s var(--ease)}
.logo-item:hover{opacity:1;filter:none;color:var(--brand-600)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card)}
.quote::before{content:"“";display:block;font-family:var(--font-title);font-size:40px;line-height:1;color:var(--brand-50);margin-bottom:6px}
.quote p{font-size:15px;color:var(--ink-700)}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-family:var(--font-title);font-size:16px}
.quote-person b{display:block;font-size:14px;color:var(--ink-900);font-family:var(--font-body);font-weight:600}
.quote-person span{font-size:13px;color:var(--ink-500)}
/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:17px;color:var(--ink-900);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{flex:0 0 18px;width:18px;height:18px;position:relative;transition:transform .32s var(--ease)}
.faq-item summary .plus::before,.faq-item summary .plus::after{content:"";position:absolute;background:var(--brand-500);border-radius:2px}
.faq-item summary .plus::before{left:0;right:0;top:8px;height:2px}
.faq-item summary .plus::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .answer{padding:0 0 22px;font-size:14px;line-height:1.9;color:var(--ink-500);max-width:640px}
/* ---------- CTA 订阅 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--brand-700);color:#fff;padding:80px 0}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:420px;height:420px;background-image:url("data:image/svg+xml;utf8,");background-repeat:no-repeat;background-size:contain;opacity:.08}
.cta-inner{position:relative;z-index:1;max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff}
.cta-inner .desc{margin-top:14px;font-size:15px;color:rgba(255,255,255,.72)}
.subscribe{display:flex;gap:12px;margin-top:32px}
.subscribe input{flex:1;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;padding:0 16px;outline:none;transition:border-color .2s var(--ease),background-color .2s var(--ease)}
.subscribe input::placeholder{color:rgba(255,255,255,.55)}
.subscribe input:focus{border-color:var(--accent-500);background:rgba(255,255,255,.1)}
.privacy{margin-top:14px;font-size:12px;color:rgba(255,255,255,.55)}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);position:relative;overflow:hidden;padding-top:72px}
.site-footer::after{content:"";position:absolute;left:-40px;bottom:-40px;width:360px;height:360px;background-image:url("data:image/svg+xml;utf8,");background-repeat:no-repeat;background-size:contain;opacity:.08;pointer-events:none}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-title);font-size:17px;font-weight:600}
.footer-brand svg{width:24px;height:24px;color:var(--accent-500)}
.footer-desc{margin-top:16px;font-size:14px;max-width:260px;color:rgba(255,255,255,.6)}
.footer-col h4{font-family:var(--font-body);font-size:14px;color:var(--brand-50);margin-bottom:18px;letter-spacing:.04em}
.footer-col li+li{margin-top:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.footer-col a:hover{color:#fff;border-bottom-color:#fff}
.footer-bottom{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
.container{padding:0 22px}
.section{padding:80px 0}
}
@media (max-width:1023px){
.nav-links,.nav-actions .search,.nav-actions .login-link{display:none}
.nav-toggle{display:flex}
.nav-inner{justify-content:space-between}
.section{padding:72px 0}
.hero{padding:72px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero-media{order:2}
.hero-metrics{grid-template-columns:repeat(2,1fr)}
.story-grid{grid-template-columns:1fr;gap:28px}
.story-vertical{height:auto;writing-mode:horizontal-tb;border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:8px}
.principles{grid-template-columns:1fr;gap:24px}
.principle{padding:0 0 0 20px;border-left:1px solid var(--line)}
.principle:first-child{padding-left:20px;border-left:1px solid var(--line)}
.feature-grid{grid-template-columns:1fr}
.feature-main,.feature-side{grid-column:auto}
.posts-grid{grid-template-columns:repeat(2,1fr)}
.logo-wall{grid-template-columns:repeat(3,1fr);gap:20px}
.quotes{grid-template-columns:1fr;gap:18px}
.faq-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
body{font-size:16px}
.section{padding:48px 0}
.container{padding:0 20px}
.section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
.hero{padding:48px 0}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.float-card{position:static;width:100%;margin-top:16px}
.channel-row{grid-template-columns:1fr;gap:12px;align-items:flex-start}
.posts-grid{grid-template-columns:1fr}
.logo-wall{grid-template-columns:repeat(2,1fr)}
.subscribe{flex-direction:column}
.subscribe .btn{width:100%}
.footer-grid{grid-template-columns:1fr}
.footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
.container{padding:0 16px}
.hero-metrics{gap:18px}
.metric{padding-left:16px}
.card-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
*{animation-duration:.001ms !important;transition-duration:.001ms !important}
.reveal{opacity:1;transform:none}
html{scroll-behavior:auto}
}
/* roulang page: category1 */
:root{
--ink-900:#0E1B1A;
--ink-700:#243835;
--ink-500:#566763;
--brand-700:#123B36;
--brand-600:#17504A;
--brand-500:#1E6B62;
--brand-50:#E8EFEC;
--accent-500:#E0723A;
--accent-600:#C75F2C;
--bg:#F7F5F0;
--surface:#FFFFFF;
--surface-2:#EFEDE6;
--line:#E3E0D8;
--ok:#2F7A5A;
--warn:#C9911F;
--err:#B4453C;
--radius-btn:10px;
--radius-card:18px;
--radius-img:14px;
--shadow-sm:0 1px 2px rgba(14,27,26,.04),0 12px 32px -18px rgba(14,27,26,.14);
--shadow-lg:0 18px 44px -20px rgba(14,27,26,.22);
--font-title:"Noto Serif SC","Songti SC","SimSun",serif;
--font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
margin:0;
background:var(--bg);
color:var(--ink-700);
font-family:var(--font-body);
font-size:16.5px;
line-height:1.85;
letter-spacing:0;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--ink-900);letter-spacing:-.01em;margin:0;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
/* ---------- header ---------- */
.site-header{
position:sticky;top:0;z-index:60;
background:rgba(247,245,240,.86);
backdrop-filter:saturate(140%) blur(8px);
border-bottom:1px solid transparent;
transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
background:rgba(255,255,255,.92);
border-bottom-color:var(--line);
box-shadow:0 6px 20px -14px rgba(14,27,26,.28);
}
.nav-inner{
height:68px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand svg{width:24px;height:24px;color:var(--brand-600);flex:0 0 auto;}
.brand-name{
font-family:var(--font-title);font-size:17px;font-weight:600;color:var(--ink-900);
letter-spacing:-.01em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
position:relative;font-size:15px;color:var(--ink-700);
padding:6px 0;display:inline-flex;align-items:center;gap:8px;
}
.nav-link::after{
content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
background:var(--brand-600);transition:width .24s ease;
}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--brand-600);font-weight:500;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
content:"";width:4px;height:4px;border-radius:50%;background:var(--brand-600);
}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
position:relative;width:200px;
}
.search-box svg{
position:absolute;left:14px;top:50%;transform:translateY(-50%);
width:16px;height:16px;color:var(--ink-500);pointer-events:none;
}
.search-box input{
width:100%;height:38px;border:none;border-radius:999px;
background:var(--surface-2);color:var(--ink-700);
padding:0 16px 0 38px;font-size:14px;
transition:background .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--ink-500);}
.search-box input:focus{
outline:none;background:var(--surface);
box-shadow:0 0 0 1px var(--brand-500),0 0 0 3px rgba(30,107,98,.12);
}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
height:44px;padding:0 20px;border-radius:var(--radius-btn);
border:1px solid transparent;font-size:15px;font-weight:500;
transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(14,27,26,.22);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{
display:inline-flex;align-items:center;gap:6px;
font-size:14.5px;color:var(--brand-600);font-weight:500;
}
.link-arrow span{transition:transform .2s ease;display:inline-block;}
.link-arrow:hover span{transform:translateX(3px);}
.login-link{
font-size:15px;color:var(--ink-700);position:relative;
}
.login-link:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:4px;}
.hamburger{
display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);
border-radius:10px;background:var(--surface);position:relative;
}
.hamburger i{
position:absolute;left:11px;width:20px;height:2px;background:var(--ink-900);
border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.hamburger i:nth-child(1){top:14px;}
.hamburger i:nth-child(2){top:20px;}
.hamburger i:nth-child(3){top:26px;}
.hamburger.is-open i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.is-open i:nth-child(2){opacity:0;}
.hamburger.is-open i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* drawer */
.drawer{
position:fixed;inset:68px 0 0 0;z-index:55;background:var(--surface);
padding:24px;display:none;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer .search-box{width:100%;}
.drawer .search-box input{height:48px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
font-size:18px;color:var(--ink-900);padding:16px 0;border-bottom:1px solid var(--line);
display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a.is-active{color:var(--brand-600);}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}
.drawer-actions .btn{width:100%;}
/* ---------- hero ---------- */
.page-hero{
position:relative;overflow:hidden;
padding:64px 0 56px;
background:
radial-gradient(720px 720px at 88% -10%,rgba(30,107,98,.06),transparent 70%),
var(--bg);
}
.page-hero::after{
content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;
background-repeat:no-repeat;background-size:contain;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' fill='none' stroke='%2312302E' stroke-width='1.2' stroke-linecap='round'%3E%3Cpath d='M10 62c0-13 10-23 23-23 3-12 15-19 27-16 12 3 19 15 17 27 10 2 16 11 14 21'/%3E%3Cpath d='M22 76c4-7 15-10 23-6 5 3 9 8 10 14'/%3E%3C/svg%3E");
opacity:.07;pointer-events:none;
}
.hero-grid{
position:relative;z-index:1;
display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.crumbs{
display:flex;align-items:center;gap:8px;flex-wrap:wrap;
font-size:13px;color:var(--ink-500);margin-bottom:18px;
}
.crumbs a{color:var(--ink-500);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--ink-900);}
.stamp{
display:inline-flex;align-items:center;gap:6px;
padding:5px 10px;border:1px solid var(--brand-500);border-radius:4px;
color:var(--brand-600);font-size:11px;letter-spacing:.12em;
background:rgba(232,239,236,.6);margin-bottom:18px;
}
.page-hero h1{
font-size:clamp(30px,4.4vw,48px);line-height:1.18;font-weight:700;
margin-bottom:16px;
}
.hero-sub{
font-size:17px;color:var(--ink-500);max-width:34em;margin-bottom:0;
}
.hero-media{
border-radius:20px;overflow:hidden;border:1px solid var(--line);
box-shadow:var(--shadow-sm);aspect-ratio:16/10;background:var(--surface-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
/* ---------- sections ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{
font-size:clamp(26px,3.2vw,38px);line-height:1.25;font-weight:700;margin:12px 0 14px;
}
.section-head p{color:var(--ink-500);font-size:16px;margin:0;}
.kicker{
display:inline-flex;align-items:center;gap:10px;
font-size:12px;letter-spacing:.14em;color:var(--brand-600);
}
.kicker::before{
content:"";width:1px;height:14px;background:var(--brand-500);display:inline-block;
}
.intro-grid{
display:grid;grid-template-columns:200px 1fr;gap:40px;align-items:start;
}
.intro-num{
font-family:var(--font-title);font-size:40px;line-height:1;color:var(--ink-900);
letter-spacing:-.02em;
}
.intro-num small{
display:block;font-family:var(--font-body);font-size:13px;color:var(--ink-500);
letter-spacing:.08em;margin-top:12px;padding-left:10px;border-left:1px solid var(--line);
line-height:1.6;
}
.intro-body p{font-size:16.5px;color:var(--ink-700);max-width:60ch;}
.intro-body p:last-child{margin-bottom:0;}
/* alternating rows */
.alt-row{
display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
padding:56px 0;border-top:1px solid var(--line);
}
.alt-row:first-of-type{border-top:none;padding-top:8px;}
.alt-row.reverse{grid-template-columns:7fr 5fr;}
.alt-row.reverse .alt-media{order:2;}
.alt-row.reverse .alt-body{order:1;}
.alt-media{
border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
aspect-ratio:3/2;background:var(--surface-2);box-shadow:var(--shadow-sm);
}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.alt-row:hover .alt-media img{transform:scale(1.03);}
.alt-index{
font-family:var(--font-title);font-size:13px;color:var(--brand-600);
letter-spacing:.16em;margin-bottom:12px;display:block;
}
.alt-body h3{font-size:22px;line-height:1.4;margin-bottom:12px;}
.alt-body p{color:var(--ink-700);font-size:16px;margin-bottom:16px;max-width:56ch;}
/* checklist */
.check-panel{
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
box-shadow:var(--shadow-sm);padding:40px;
}
.check-list{
display:grid;grid-template-columns:1fr 1fr;gap:0 48px;
}
.check-list li{
display:flex;gap:12px;align-items:flex-start;
padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px;
}
.check-list li::before{
content:"";width:6px;height:6px;border-radius:1px;background:var(--brand-500);
margin-top:11px;flex:0 0 auto;
}
.note{
margin-top:32px;background:var(--surface-2);border-radius:var(--radius-img);
padding:20px 24px;font-size:14.5px;color:var(--ink-700);
border-left:3px solid var(--brand-500);
}
/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
width:100%;background:none;border:none;text-align:left;
display:flex;align-items:center;justify-content:space-between;gap:20px;
padding:22px 0;font-size:17px;color:var(--ink-900);
font-family:var(--font-body);
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform .32s ease;
}
.faq-icon::before,.faq-icon::after{
content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
max-height:0;overflow:hidden;transition:max-height .34s ease;
}
.faq-a p{
font-size:14.5px;line-height:1.9;color:var(--ink-500);margin:0;padding:0 32px 22px 0;
}
/* CTA */
.cta-band{
background:var(--brand-700);color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;
background-repeat:no-repeat;background-size:contain;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' fill='none' stroke='%23FFFFFF' stroke-width='1.2' stroke-linecap='round'%3E%3Cpath d='M10 62c0-13 10-23 23-23 3-12 15-19 27-16 12 3 19 15 17 27 10 2 16 11 14 21'/%3E%3Cpath d='M22 76c4-7 15-10 23-6 5 3 9 8 10 14'/%3E%3C/svg%3E");
opacity:.08;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:640px;margin:0 auto;}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn-on-dark{
background:var(--accent-500);color:#fff;
}
.btn-on-dark:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-outline-light{
background:transparent;border-color:rgba(255,255,255,.4);color:#fff;
}
.btn-outline-light:hover{border-color:#fff;color:#fff;transform:translateY(-1px);}
/* footer */
.site-footer{
background:var(--ink-900);color:rgba(255,255,255,.72);
padding:72px 0 0;position:relative;overflow:hidden;
}
.site-footer::before{
content:"";position:absolute;left:0;right:0;bottom:0;height:200px;
background-repeat:repeat;background-size:260px 130px;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' fill='none' stroke='%23FFFFFF' stroke-width='1.2' stroke-linecap='round'%3E%3Cpath d='M10 62c0-13 10-23 23-23 3-12 15-19 27-16 12 3 19 15 17 27 10 2 16 11 14 21'/%3E%3Cpath d='M22 76c4-7 15-10 23-6 5 3 9 8 10 14'/%3E%3C/svg%3E");
opacity:.08;pointer-events:none;
}
.footer-grid{
position:relative;z-index:1;
display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;
padding-bottom:56px;
}
.footer-brand{
display:flex;align-items:center;gap:10px;color:#fff;
font-family:var(--font-title);font-size:17px;font-weight:600;margin-bottom:16px;
}
.footer-brand svg{width:24px;height:24px;color:var(--brand-50);}
.footer-brand:hover{color:#fff;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);max-width:26em;margin:0;}
.footer-col h4{
font-size:14px;color:var(--brand-50);font-family:var(--font-body);
font-weight:600;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
font-size:14px;color:rgba(255,255,255,.6);
}
.footer-col a:hover{
color:#fff;text-decoration:underline;text-underline-offset:4px;
}
.footer-bottom{
position:relative;z-index:1;
border-top:1px solid rgba(255,255,255,.12);
padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
font-size:13px;color:rgba(255,255,255,.5);
}
/* reveal */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-visible{
opacity:1;transform:none;transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);
}
@media (max-width:1023px){
.nav-links,.nav-tools .search-box,.nav-tools .login-link{display:none;}
.hamburger{display:block;}
.nav-tools .btn-accent{display:none;}
.hero-grid{grid-template-columns:1fr;gap:32px;}
.hero-media{order:2;}
.intro-grid{grid-template-columns:1fr;gap:20px;}
.alt-row,.alt-row.reverse{grid-template-columns:1fr;gap:28px;padding:44px 0;}
.alt-row.reverse .alt-media{order:0;}
.alt-row.reverse .alt-body{order:0;}
.faq-grid{grid-template-columns:1fr;}
.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
}
@media (max-width:767px){
body{font-size:16px;line-height:1.85;}
.container{padding:0 20px;}
.page-hero{padding:44px 0 40px;}
.section{padding:48px 0;}
.section--tight{padding:40px 0;}
.section-head{margin-bottom:32px;}
.check-panel{padding:24px;}
.check-list{grid-template-columns:1fr;gap:0;}
.cta-actions .btn{width:100%;}
.footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
.container{padding:0 16px;}
.footer-grid{grid-template-columns:1fr;}
.hero-media,.alt-media{border-radius:var(--radius-img);}
.btn{padding:0 16px;font-size:14.5px;}
.faq-q{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
*{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
.reveal{opacity:1;transform:none;}
}
/* roulang page: article */
:root{
--ink-900:#0E1B1A;
--ink-700:#243835;
--ink-500:#566763;
--brand-700:#123B36;
--brand-600:#17504A;
--brand-500:#1E6B62;
--brand-50:#E8EFEC;
--accent-500:#E0723A;
--accent-600:#C75F2C;
--bg:#F7F5F0;
--surface:#FFFFFF;
--surface-2:#EFEDE6;
--line:#E3E0D8;
--ok:#2F7A5A;
--warn:#C9911F;
--err:#B4453C;
--radius-btn:10px;
--radius-card:18px;
--radius-img:14px;
--shadow-card:0 1px 2px rgba(14,27,26,.04), 0 12px 32px -18px rgba(14,27,26,.14);
--shadow-card-hover:0 18px 44px -20px rgba(14,27,26,.22);
--font-title:"Noto Serif SC","Songti SC","SimSun",serif;
--font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
--max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
background:var(--bg);
color:var(--ink-700);
font-family:var(--font-body);
font-size:16.5px;
line-height:1.85;
letter-spacing:0;
-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
margin:0;
font-family:var(--font-title);
font-weight:600;
color:var(--ink-900);
letter-spacing:-.01em;
}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none}
a:hover{color:var(--brand-600)}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
/* ---------- 顶部导航 ---------- */
.site-header{
position:sticky;top:0;z-index:70;
background:rgba(247,245,240,.9);
backdrop-filter:blur(10px);
border-bottom:1px solid transparent;
transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
background:rgba(255,255,255,.95);
border-bottom-color:var(--line);
box-shadow:0 8px 28px -22px rgba(14,27,26,.5);
}
.header-inner{display:flex;align-items:center;gap:26px;min-height:68px}
.brand{
display:inline-flex;align-items:center;gap:10px;
font-family:var(--font-title);font-size:17px;font-weight:600;
color:var(--ink-900);white-space:nowrap;flex:none;
}
.brand:hover{color:var(--brand-600)}
.brand-icon{width:24px;height:24px;color:var(--brand-500);flex:none}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-link{
position:relative;font-size:15px;color:var(--ink-700);
padding:6px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
background:var(--brand-600);border-radius:2px;transition:width .24s ease;
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand-600)}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:none}
.search-box{
position:relative;display:flex;align-items:center;width:200px;
background:var(--surface-2);border:1px solid transparent;border-radius:999px;
transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
background:var(--surface);
border-color:var(--brand-500);
box-shadow:0 0 0 3px rgba(30,107,98,.12);
}
.search-box svg{width:16px;height:16px;margin-left:13px;color:var(--ink-500);flex:none}
.search-box input{
width:100%;border:0;background:transparent;outline:none;
padding:9px 14px 9px 8px;font-size:14px;color:var(--ink-900);
}
.search-box input::placeholder{color:var(--ink-500)}
.btn-text{
font-size:15px;color:var(--ink-700);padding:4px 2px;
text-underline-offset:4px;transition:color .2s ease;
}
.btn-text:hover{color:var(--brand-600);text-decoration:underline}
/* ---------- 按钮 ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
height:44px;padding:0 22px;border-radius:var(--radius-btn);
border:1px solid transparent;cursor:pointer;
font-size:15px;line-height:1;white-space:nowrap;
transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(14,27,26,.22);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.text-link{
display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand-500);
transition:color .2s ease;
}
.text-link span{transition:transform .2s ease}
.text-link:hover{color:var(--brand-600)}
.text-link:hover span{transform:translateX(3px)}
/* ---------- 移动端抽屉 ---------- */
.nav-toggle{
display:none;width:44px;height:44px;margin-left:auto;flex:none;
background:var(--surface);border:1px solid var(--line);border-radius:12px;
cursor:pointer;position:relative;transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-500)}
.nav-toggle span{
position:absolute;left:12px;width:20px;height:2px;border-radius:2px;
background:var(--ink-900);transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
display:none;position:fixed;left:0;right:0;top:68px;bottom:0;
background:var(--surface);z-index:65;padding:24px 24px 40px;overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer .search-box{width:100%;margin-bottom:22px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
display:block;padding:16px 2px;font-size:18px;color:var(--ink-900);
border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand-600)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.drawer-actions .btn{width:100%}
/* ---------- 面包屑与文章头 ---------- */
.crumb{padding:26px 0 0;font-size:13px;color:var(--ink-500);line-height:1.6}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb-sep{margin:0 8px;color:#C9C5BA}
.crumb-current{color:var(--ink-700)}
.article-head{max-width:860px;margin:0 auto;padding:26px 0 0}
.article-head h1{
font-size:clamp(28px,3.6vw,40px);
line-height:1.28;
letter-spacing:-.015em;
}
.article-meta{
display:flex;flex-wrap:wrap;align-items:center;gap:14px;
margin-top:20px;font-size:13px;color:var(--ink-500);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--brand-500);display:inline-block;margin-right:8px;vertical-align:middle}
.pill{
display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
background:var(--brand-50);color:var(--brand-600);font-size:12px;line-height:1;
}
.article-rule{height:1px;background:var(--line);margin-top:26px;border:0}
.article-cover{
max-width:860px;margin:28px auto 0;border-radius:20px;overflow:hidden;
border:1px solid var(--line);background:linear-gradient(180deg,var(--surface-2),var(--brand-50));
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
/* ---------- 正文 ---------- */
.article-body{max-width:760px;margin:0 auto;padding:38px 0 10px;font-size:17px;line-height:1.95}
.article-body p{margin:0 0 1.4em}
.article-body h2{
position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.4;
margin:2em 0 .8em;padding-left:15px;
}
.article-body h2::before{
content:"";position:absolute;left:0;top:.35em;width:3px;height:18px;
background:var(--brand-500);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.45;margin:1.6em 0 .6em}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-600)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em}
.article-body li{margin:.45em 0;line-height:1.85}
.article-body li::marker{color:var(--brand-500)}
.article-body blockquote{
margin:0 0 1.5em;padding:20px 22px;background:var(--surface-2);
border-left:3px solid var(--brand-500);border-radius:0 12px 12px 0;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px}
.article-body th{
background:var(--brand-50);color:var(--brand-700);text-align:left;
padding:12px 14px;font-weight:600;border:0;
}
.article-body td{padding:12px 14px;border-top:1px solid var(--line)}
.article-body pre{
background:var(--surface-2);border-radius:12px;padding:18px;overflow:auto;
font-size:14px;line-height:1.7;margin:0 0 1.6em;
}
.article-body code{
font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
font-size:.9em;background:var(--surface-2);padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;padding:0;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
/* ---------- 空态 ---------- */
.empty-state{
max-width:760px;margin:48px auto;padding:56px 28px;text-align:center;
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
box-shadow:var(--shadow-card);
}
.empty-state svg{width:44px;height:44px;color:#C9C5BA;margin:0 auto 18px}
.empty-state h3{font-size:19px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--ink-500);margin-bottom:22px}
/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-head{
display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
margin-bottom:34px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:560px}
/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
display:flex;flex-direction:column;overflow:hidden;
background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
box-shadow:var(--shadow-card);
transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{
transform:translateY(-4px);
box-shadow:var(--shadow-card-hover);
border-color:rgba(30,107,98,.22);
}
.card-media{
position:relative;aspect-ratio:3/2;overflow:hidden;
background:linear-gradient(180deg,var(--surface-2),var(--brand-50));
}
.card-media img{
width:100%;height:100%;object-fit:cover;
transition:transform .6s cubic-bezier(.22,.61,.36,1);
}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{
font-size:18px;line-height:1.45;color:var(--ink-900);
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
font-size:14px;line-height:1.75;color:var(--ink-500);
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
display:flex;align-items:center;gap:10px;margin-top:auto;
font-size:13px;color:var(--ink-500);
}
.card-arrow{margin-left:auto;color:var(--brand-500);transition:transform .2s ease}
.card:hover .card-arrow{transform:translateX(4px)}
/* ---------- 入口条 ---------- */
.entry-row{
display:flex;gap:16px;flex-wrap:wrap;align-items:center;
margin-top:34px;padding-top:28px;border-top:1px solid var(--line);
}
/* ---------- 底部 CTA ---------- */
.cta-band{
position:relative;overflow:hidden;background:var(--brand-700);
color:#fff;padding:68px 0;margin-top:16px;
}
.cta-band::after{
content:"";position:absolute;right:-60px;top:-40px;width:520px;height:360px;
background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 120' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 78c0-18 15-32 33-32 4-17 21-27 38-23 17 4 28 21 25 38 14 3 22 16 19 30'/%3E%3Cpath d='M34 100c6-10 21-14 32-8 7 3 12 11 13 19'/%3E%3C/svg%3E") no-repeat center/contain;
opacity:.08;pointer-events:none;
}
.cta-inner{
position:relative;z-index:1;
display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);line-height:1.32}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- 页脚 ---------- */
.site-footer{
position:relative;overflow:hidden;background:var(--ink-900);
padding:64px 0 0;color:rgba(255,255,255,.72);
}
.site-footer::after{
content:"";position:absolute;left:-80px;bottom:-40px;width:520px;height:340px;
background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 120' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 78c0-18 15-32 33-32 4-17 21-27 38-23 17 4 28 21 25 38 14 3 22 16 19 30'/%3E%3Cpath d='M34 100c6-10 21-14 32-8 7 3 12 11 13 19'/%3E%3C/svg%3E") no-repeat center/contain;
opacity:.07;pointer-events:none;
}
.footer-grid{
position:relative;z-index:1;
display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand{
display:inline-flex;align-items:center;gap:10px;
font-family:var(--font-title);font-size:17px;font-weight:600;color:#fff;
}
.footer-brand:hover{color:#fff}
.footer-brand svg{width:24px;height:24px;color:#7FB3A8;flex:none}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:280px}
.footer-col h4{
margin:0 0 16px;font-size:14px;font-weight:600;color:#9CC7BE;letter-spacing:.02em;
font-family:var(--font-body);
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{
font-size:14px;color:rgba(255,255,255,.66);
transition:color .2s ease;
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
position:relative;z-index:1;
margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
font-size:13px;color:rgba(255,255,255,.5);
}
/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.js .reveal.is-visible{opacity:1;transform:none}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
.container{padding:0 22px}
.nav-links{gap:20px}
.search-box{width:170px}
}
@media (max-width:1023px){
.nav-links,.header-actions{display:none}
.nav-toggle{display:block}
.section{padding:56px 0}
.card-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
.article-body{font-size:16.5px}
}
@media (max-width:767px){
body{font-size:16px}
.container{padding:0 20px}
.section{padding:48px 0}
.card-grid{grid-template-columns:1fr;gap:18px}
.article-head{padding-top:20px}
.article-body{font-size:16px;line-height:1.9;padding-top:30px}
.article-cover{border-radius:16px}
.section-head{margin-bottom:26px}
.cta-band{padding:52px 0}
.cta-inner{flex-direction:column;align-items:flex-start}
.cta-actions{width:100%}
.cta-actions .btn{flex:1 1 auto}
.footer-grid{grid-template-columns:1fr;gap:28px}
.footer-bottom{flex-direction:column;gap:8px}
.entry-row .btn{width:100%}
}
@media (max-width:479px){
.container{padding:0 16px}
.header-inner{min-height:62px;gap:14px}
.brand{font-size:16px}
.drawer{top:62px;padding:20px 16px 36px}
.article-body{font-size:15.5px}
.card-body{padding:16px 16px 20px}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation:none!important;transition:none!important}
.js .reveal{opacity:1;transform:none}
html{scroll-behavior:auto}
}
/* roulang page: category3 */
:root{
--ink-900:#0E1B1A;
--ink-700:#243835;
--ink-500:#566763;
--brand-700:#123B36;
--brand-600:#17504A;
--brand-500:#1E6B62;
--brand-50:#E8EFEC;
--accent-500:#E0723A;
--accent-600:#C75F2C;
--bg:#F7F5F0;
--surface:#FFFFFF;
--surface-2:#EFEDE6;
--line:#E3E0D8;
--ok:#2F7A5A;
--warn:#C9911F;
--err:#B4453C;
--radius-btn:10px;
--radius-card:18px;
--radius-img:14px;
--shadow-card:0 1px 2px rgba(14,27,26,.04), 0 12px 32px -18px rgba(14,27,26,.14);
--shadow-card-hover:0 18px 44px -20px rgba(14,27,26,.22);
--font-title:"Noto Serif SC","Songti SC","SimSun",serif;
--font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
margin:0;
background:var(--bg);
color:var(--ink-700);
font-family:var(--font-body);
font-size:16.5px;
line-height:1.85;
letter-spacing:0;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .24s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--ink-900);letter-spacing:-.01em;margin:0;}
h1{font-size:clamp(34px,5.2vw,58px);line-height:1.18;font-weight:700;}
h2{font-size:clamp(26px,3.2vw,38px);line-height:1.25;font-weight:700;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--line{border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head p{margin-top:12px;color:var(--ink-500);font-size:15px;max-width:60ch;}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.12em;color:var(--brand-600);border:1px solid var(--brand-500);border-radius:4px;padding:3px 8px;margin-bottom:16px;}
.muted{color:var(--ink-500);font-size:13px;line-height:1.6;}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background-color .24s ease,color .24s ease,border-color .24s ease,transform .24s ease,box-shadow .24s ease;}
.btn--primary{background:var(--brand-600);color:#fff;}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn--accent{background:var(--accent-500);color:#fff;}
.btn--accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:transparent;border-color:rgba(14,27,26,.22);color:var(--ink-900);}
.btn--ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);}
.link-arrow svg{transition:transform .24s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.92);border-bottom:1px solid transparent;transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;}
.site-header.is-stuck{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(14,27,26,.35);}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-title);font-size:17px;font-weight:600;color:var(--ink-900);white-space:nowrap;}
.brand svg{width:24px;height:24px;color:var(--brand-500);flex:none;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav-link{position:relative;font-size:15px;color:var(--ink-700);padding:6px 2px;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--brand-500);transform:translateY(-50%);}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search{position:relative;width:200px;}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-500);}
.search input{width:100%;height:40px;border-radius:999px;border:1px solid transparent;background:var(--surface-2);padding:0 14px 0 36px;font-size:14px;color:var(--ink-900);transition:background-color .24s ease,border-color .24s ease,box-shadow .24s ease;}
.search input::placeholder{color:var(--ink-500);}
.search input:focus{outline:none;background:var(--surface);border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,107,98,.12);}
.login-link{font-size:15px;color:var(--ink-700);}
.login-link:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:4px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;color:var(--ink-900);}
.menu-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s ease;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s ease,top .2s ease;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.menu-toggle.is-open span{transform:rotate(45deg);}
.menu-toggle.is-open span::before{top:0;transform:rotate(-90deg);}
.menu-toggle.is-open span::after{top:0;opacity:0;}
.drawer{position:fixed;inset:68px 0 0 0;background:var(--surface);z-index:55;padding:24px;display:none;overflow-y:auto;border-top:1px solid var(--line);}
.drawer.is-open{display:block;}
.drawer .drawer-search{margin-bottom:20px;width:100%;}
.drawer .drawer-search input{height:48px;}
.drawer-nav a{display:block;font-size:18px;color:var(--ink-900);padding:16px 0;border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--brand-600);font-weight:600;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.drawer-actions .btn{width:100%;}
/* ---------- hero ---------- */
.page-hero{padding:56px 0 72px;position:relative;overflow:hidden;background:var(--bg);}
.page-hero::before{content:"";position:absolute;right:-120px;top:-160px;width:720px;height:720px;border-radius:50%;background:radial-gradient(circle,rgba(30,107,98,.10),rgba(30,107,98,0) 68%);pointer-events:none;animation:drift 12s ease-in-out infinite alternate;}
@keyframes drift{from{transform:translate3d(0,0,0);}to{transform:translate3d(-28px,26px,0);}}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 40%;gap:48px;align-items:center;}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:18px;}
.crumbs a{color:var(--ink-500);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--ink-900);}
.page-hero h1{margin-bottom:16px;}
.page-hero .lead{font-size:17px;color:var(--ink-700);max-width:44ch;}
.hero-figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--surface-2);position:relative;}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure .img-fallback{position:absolute;inset:0;display:none;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--ink-500);font-size:13px;background:linear-gradient(180deg,var(--surface-2),var(--brand-50));}
.hero-figure.is-empty img{display:none;}
.hero-figure.is-empty .img-fallback{display:flex;}
/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:100px 1fr;gap:36px;}
.intro-index{font-family:var(--font-title);font-size:38px;color:var(--ink-900);letter-spacing:-.02em;line-height:1;}
.intro-index span{display:block;width:1px;height:56px;background:var(--line);margin-top:16px;}
.intro-body p + p{margin-top:1.4em;}
.fact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:48px;border-top:1px solid var(--line);}
.fact{padding:24px 24px 0 0;border-right:1px solid var(--line);}
.fact:last-child{border-right:0;}
.fact strong{display:block;font-family:var(--font-title);font-size:32px;letter-spacing:-.02em;color:var(--ink-900);line-height:1.1;}
.fact span{font-size:13px;color:var(--ink-500);}
/* ---------- checklist table-like ---------- */
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;border-top:1px solid var(--line);}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line);}
.check-item .dot{width:7px;height:7px;background:var(--brand-500);border-radius:1px;margin-top:11px;flex:none;}
.check-item b{display:block;font-size:16px;color:var(--ink-900);font-weight:600;}
.check-item p{font-size:14px;color:var(--ink-500);margin-top:4px;line-height:1.7;}
.note-block{margin-top:40px;background:var(--surface-2);border-left:3px solid var(--brand-500);border-radius:12px;padding:24px 26px;}
.note-block h4{margin-bottom:8px;}
.note-block p{font-size:15px;color:var(--ink-700);}
/* ---------- label + long text ---------- */
.rows{display:grid;gap:0;border-top:1px solid var(--line);}
.row-item{display:grid;grid-template-columns:200px 1fr;gap:36px;padding:32px 0;border-bottom:1px solid var(--line);}
.row-item h3{font-size:20px;}
.row-item .row-label{font-size:13px;color:var(--ink-500);letter-spacing:.08em;display:block;margin-bottom:8px;}
.row-item .row-text{color:var(--ink-700);font-size:15.5px;}
.row-item .row-text strong{color:var(--ink-900);}
/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(30,107,98,.22);}
.card-media{aspect-ratio:3/2;overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px;}
.card-body h3{font-size:19px;margin-bottom:10px;}
.card-body p{font-size:14.5px;color:var(--ink-500);}
.badge{display:inline-flex;align-items:center;border-radius:999px;background:var(--brand-50);color:var(--brand-600);font-size:12px;padding:3px 10px;}
.meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-top:16px;}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-500);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
/* ---------- faq ---------- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;text-align:left;padding:20px 0;font-size:17px;font-family:var(--font-title);color:var(--ink-900);font-weight:600;}
.faq-q .sign{flex:none;width:20px;height:20px;position:relative;margin-top:4px;color:var(--brand-500);transition:transform .32s ease;}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-q .sign::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .sign::after{top:0;left:9px;width:2px;height:20px;}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{font-size:14px;line-height:1.9;color:var(--ink-500);padding:0 0 20px;max-width:56ch;}
/* ---------- cta ---------- */
.cta{background:var(--brand-700);color:#fff;position:relative;overflow:hidden;}
.cta::after{content:"";position:absolute;right:-40px;bottom:-80px;width:420px;height:420px;background:radial-gradient(circle,rgba(255,255,255,.08),rgba(255,255,255,0) 70%);}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;}
.cta h2{color:#fff;}
.cta p{color:rgba(255,255,255,.78);font-size:15px;margin-top:12px;max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex:none;}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);position:relative;overflow:hidden;}
.site-footer::before{content:"";position:absolute;right:-60px;top:-60px;width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,.08),rgba(255,255,255,0) 70%);}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:72px 0 40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-title);font-size:19px;color:#fff;font-weight:600;}
.footer-brand svg{width:24px;height:24px;color:var(--brand-500);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);margin-top:14px;max-width:26ch;}
.footer-col h4{font-size:14px;color:#9DC6BE;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.5);}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (max-width:1023px){
.nav-links,.search,.login-link,.header-right .btn{display:none;}
.menu-toggle{display:inline-flex;}
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.hero-grid{grid-template-columns:1fr;gap:32px;}
.page-hero{padding:40px 0 56px;}
.card-grid{grid-template-columns:repeat(2,1fr);}
.intro-grid{grid-template-columns:72px 1fr;gap:24px;}
.row-item{grid-template-columns:160px 1fr;gap:24px;}
.faq{grid-template-columns:1fr;}
.footer-grid{grid-template-columns:1fr 1fr;}
.cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
.container{padding:0 20px;}
.section{padding:48px 0;}
body{font-size:16px;}
.fact-row{grid-template-columns:1fr;}
.fact{border-right:0;border-bottom:1px solid var(--line);padding:18px 0;}
.fact:last-child{border-bottom:0;}
.checklist{grid-template-columns:1fr;gap:0;}
.row-item{grid-template-columns:1fr;gap:12px;}
.card-grid{grid-template-columns:1fr;}
.cta-actions{width:100%;flex-direction:column;}
.cta-actions .btn{width:100%;}
.footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px;}
}
@media (max-width:520px){
.container{padding:0 16px;}
.section{padding:40px 0;}
.section-head{flex-direction:column;align-items:flex-start;gap:12px;}
.hero-grid{gap:24px;}
}
@media (prefers-reduced-motion:reduce){
*{animation:none !important;transition-duration:.01ms !important;}
.reveal{opacity:1;transform:none;}
}
/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
--ink-900:#0E1B1A;
--ink-700:#243835;
--ink-500:#566763;
--brand-700:#123B36;
--brand-600:#17504A;
--brand-500:#1E6B62;
--brand-50:#E8EFEC;
--accent-500:#E0723A;
--accent-600:#C75F2C;
--bg:#F7F5F0;
--surface:#FFFFFF;
--surface-2:#EFEDE6;
--line:#E3E0D8;
--ok:#2F7A5A;
--warn:#C9911F;
--err:#B4453C;
--font-head:"Noto Serif SC","Songti SC","SimSun",serif;
--font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
--radius-btn:10px;
--radius-card:18px;
--radius-img:14px;
--shadow-card:0 1px 2px rgba(14,27,26,.04),0 12px 32px -18px rgba(14,27,26,.14);
--shadow-hover:0 18px 44px -20px rgba(14,27,26,.22);
--container:1200px;
--section-y:96px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
margin:0;
background:var(--bg);
color:var(--ink-700);
font-family:var(--font-body);
font-size:16.5px;
line-height:1.85;
letter-spacing:0;
-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
margin:0;
font-family:var(--font-head);
color:var(--ink-900);
font-weight:600;
letter-spacing:-.01em;
line-height:1.25;
}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
button{font:inherit;cursor:pointer;color:inherit;}
input{font:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand-50);color:var(--brand-700);}
/* ============ 容器与工具 ============ */
.container{
width:100%;
max-width:var(--container);
margin:0 auto;
padding:0 24px;
}
.container-narrow{max-width:900px;}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:none;}
/* ============ 按钮与链接 ============ */
.btn{
display:inline-flex;
align-items:center;
justify-content:center;
gap:8px;
height:44px;
padding:0 22px;
border-radius:var(--radius-btn);
border:1px solid transparent;
font-size:15px;
font-weight:600;
line-height:1;
white-space:nowrap;
transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(14,27,26,.22);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:rgba(30,107,98,.05);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{
display:inline-flex;
align-items:center;
gap:8px;
font-size:15px;
font-weight:600;
color:var(--brand-600);
}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
/* ============ 顶部导航 ============ */
.site-header{
position:sticky;
top:0;
z-index:80;
background:rgba(247,245,240,.88);
border-bottom:1px solid transparent;
transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
backdrop-filter:saturate(150%) blur(8px);
}
.site-header.is-stuck{
background:rgba(255,255,255,.95);
border-bottom-color:var(--line);
box-shadow:0 8px 28px -22px rgba(14,27,26,.55);
}
.header-inner{
display:flex;
align-items:center;
gap:22px;
height:68px;
}
.brand{
display:inline-flex;
align-items:center;
gap:10px;
flex:0 0 auto;
color:var(--ink-900);
font-family:var(--font-head);
font-size:17px;
font-weight:600;
}
.brand:hover{color:var(--brand-600);}
.brand-mark{width:24px;height:24px;color:var(--brand-600);flex:0 0 24px;}
.nav-links{
display:flex;
align-items:center;
gap:28px;
margin-left:10px;
}
.nav-link{
position:relative;
display:inline-block;
padding:6px 0;
font-size:15px;
color:var(--ink-700);
}
.nav-link::after{
content:"";
position:absolute;
left:0;
bottom:0;
height:2px;
width:0;
background:var(--brand-500);
transition:width .24s ease;
}
.nav-link:hover::after{width:100%;}
.nav-link:hover{color:var(--brand-600);}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
content:"";
position:absolute;
left:-11px;
top:50%;
width:4px;
height:4px;
border-radius:50%;
background:var(--brand-600);
transform:translateY(-50%);
}
.header-actions{
display:flex;
align-items:center;
gap:16px;
margin-left:auto;
}
.search-box{
position:relative;
display:flex;
align-items:center;
width:200px;
height:38px;
border-radius:999px;
background:var(--surface-2);
border:1px solid transparent;
transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box svg{
position:absolute;
left:13px;
width:16px;
height:16px;
color:var(--ink-500);
pointer-events:none;
}
.search-box input{
width:100%;
height:100%;
padding:0 16px 0 36px;
border:0;
border-radius:999px;
background:transparent;
font-size:14px;
color:var(--ink-900);
outline:none;
}
.search-box input::placeholder{color:var(--ink-500);}
.search-box:focus-within{
background:var(--surface);
border-color:var(--brand-500);
box-shadow:0 0 0 3px rgba(30,107,98,.12);
}
.link-login{
font-size:15px;
color:var(--ink-700);
text-decoration:underline;
text-underline-offset:4px;
text-decoration-color:transparent;
transition:color .2s ease,text-decoration-color .2s ease;
}
.link-login:hover{color:var(--brand-600);text-decoration-color:currentColor;}
.nav-toggle{
display:none;
position:relative;
width:40px;
height:40px;
border:1px solid var(--line);
border-radius:10px;
background:var(--surface);
}
.nav-toggle span{
position:absolute;
left:11px;
width:18px;
height:2px;
border-radius:2px;
background:var(--ink-900);
transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:19px;}
.nav-toggle span:nth-child(3){top:24px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.drawer{
display:none;
border-top:1px solid var(--line);
background:var(--surface);
box-shadow:0 24px 40px -32px rgba(14,27,26,.5);
}
.drawer.is-open{display:block;}
.drawer-inner{padding:22px 0 28px;}
.drawer .search-box{width:100%;height:44px;}
.drawer-nav{margin:20px 0 8px;}
.drawer-nav a{
display:block;
padding:16px 0;
font-size:18px;
color:var(--ink-900);
border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand-600);}
.drawer-nav a.is-active{color:var(--brand-600);font-weight:600;}
.drawer-actions{
display:grid;
gap:12px;
margin-top:20px;
}
.drawer-actions .btn{width:100%;}
/* ============ 页面首屏 ============ */
.page-hero{
position:relative;
overflow:hidden;
padding:52px 0 76px;
background:var(--bg);
}
.page-hero::before{
content:"";
position:absolute;
top:-260px;
right:-160px;
width:720px;
height:720px;
border-radius:50%;
background:radial-gradient(circle,rgba(30,107,98,.10) 0%,rgba(30,107,98,0) 68%);
animation:drift 12s ease-in-out infinite alternate;
pointer-events:none;
}
@keyframes drift{
from{transform:translate3d(0,0,0);}
to{transform:translate3d(-40px,32px,0);}
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumbs{
display:flex;
flex-wrap:wrap;
align-items:center;
gap:8px;
margin-bottom:22px;
font-size:13px;
color:var(--ink-500);
}
.breadcrumbs a{color:var(--ink-500);}
.breadcrumbs a:hover{color:var(--brand-600);}
.breadcrumbs .sep{color:rgba(86,103,99,.55);}
.breadcrumbs .current{color:var(--ink-700);}
.hero-grid{
display:grid;
grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
gap:56px;
align-items:center;
}
.stamp{
display:inline-flex;
align-items:center;
gap:6px;
padding:5px 10px;
border:1px solid var(--brand-500);
border-radius:4px;
font-size:11px;
letter-spacing:.12em;
color:var(--brand-600);
background:rgba(232,239,236,.6);
}
.hero-title{
margin:18px 0 16px;
font-size:clamp(32px,4.4vw,50px);
line-height:1.18;
}
.hero-sub{
max-width:520px;
font-size:17px;
line-height:1.9;
color:var(--ink-700);
}
.hero-actions{
display:flex;
flex-wrap:wrap;
gap:14px;
margin-top:30px;
}
.hero-metrics{
display:flex;
flex-wrap:wrap;
align-items:center;
gap:26px;
margin-top:40px;
padding-top:26px;
border-top:1px solid var(--line);
}
.metric-num{
font-family:var(--font-head);
font-size:32px;
font-weight:700;
letter-spacing:-.02em;
color:var(--ink-900);
line-height:1.1;
}
.metric-label{
margin-top:4px;
font-size:13px;
line-height:1.6;
color:var(--ink-500);
}
.metric-divider{width:1px;height:38px;background:var(--line);}
.hero-visual{position:relative;}
.hero-visual img{
width:100%;
aspect-ratio:16/10;
object-fit:cover;
border-radius:20px;
border:1px solid var(--line);
box-shadow:var(--shadow-card);
background:linear-gradient(160deg,var(--surface-2),var(--brand-50));
}
.float-card{
position:absolute;
right:18px;
bottom:-22px;
padding:14px 16px;
border-radius:12px;
background:var(--surface);
border:1px solid var(--line);
box-shadow:var(--shadow-card);
}
.float-card .fc-key{
font-size:11px;
letter-spacing:.12em;
color:var(--brand-600);
}
.float-card .fc-text{
margin-top:4px;
font-size:13px;
color:var(--ink-700);
}
/* ============ 板块通用 ============ */
.section{padding:var(--section-y) 0;}
.section-tight{padding:72px 0;}
.eyebrow{
display:inline-flex;
align-items:center;
gap:10px;
font-size:13px;
letter-spacing:.1em;
color:var(--ink-500);
}
.eyebrow::before{
content:"";
width:1px;
height:14px;
background:var(--brand-500);
}
.section-head{max-width:680px;margin-bottom:44px;}
.section-head h2{
margin:16px 0 14px;
font-size:clamp(26px,3.2vw,38px);
}
.section-head p{
font-size:16px;
color:var(--ink-500);
line-height:1.85;
}
.section-head-row{
display:flex;
align-items:flex-end;
justify-content:space-between;
gap:24px;
flex-wrap:wrap;
}
/* ============ 简介 ============ */
.intro-layout{
display:grid;
grid-template-columns:minmax(0,7fr) minmax(0,5fr);
gap:56px;
align-items:start;
}
.intro-copy p + p{margin-top:1.4em;}
.intro-copy p{font-size:16.5px;line-height:1.95;}
.intro-list{
display:grid;
gap:0;
border-top:1px solid var(--line);
}
.intro-list li{
padding:20px 0;
border-bottom:1px solid var(--line);
display:grid;
grid-template-columns:22px 1fr;
gap:14px;
align-items:start;
}
.intro-list svg{width:18px;height:18px;margin-top:6px;color:var(--brand-500);}
.intro-list strong{
display:block;
font-size:15.5px;
color:var(--ink-900);
font-weight:600;
}
.intro-list span{
display:block;
margin-top:4px;
font-size:14px;
color:var(--ink-500);
line-height:1.75;
}
/* ============ 核验步骤时间轴 ============ */
.timeline{margin-top:8px;max-width:820px;}
.tl-item{
position:relative;
padding-left:56px;
padding-bottom:40px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
content:"";
position:absolute;
left:13px;
top:30px;
bottom:4px;
width:1px;
background:rgba(30,107,98,.28);
}
.tl-item:last-child::before{display:none;}
.tl-num{
position:absolute;
left:0;
top:0;
display:inline-flex;
align-items:center;
justify-content:center;
width:27px;
height:27px;
border-radius:50%;
border:1px solid var(--brand-500);
background:var(--surface);
color:var(--brand-600);
font-family:var(--font-head);
font-size:12px;
font-weight:700;
}
.tl-item h3{
font-size:20px;
margin-bottom:8px;
}
.tl-item p{
font-size:15.5px;
line-height:1.9;
color:var(--ink-700);
max-width:660px;
}
.tl-tag{
display:inline-flex;
align-items:center;
margin-left:10px;
padding:3px 10px;
border-radius:999px;
background:var(--brand-50);
color:var(--brand-600);
font-size:12px;
font-weight:500;
vertical-align:middle;
}
/* ============ 对照表 ============ */
.compare-grid{
display:grid;
grid-template-columns:repeat(2,minmax(0,1fr));
gap:24px;
}
.compare-card{
background:var(--surface);
border:1px solid var(--line);
border-radius:var(--radius-card);
padding:30px 28px 10px;
box-shadow:var(--shadow-card);
transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.compare-card:hover{
transform:translateY(-4px);
box-shadow:var(--shadow-hover);
border-color:rgba(30,107,98,.22);
}
.compare-card h3{
display:flex;
align-items:center;
gap:10px;
font-size:20px;
margin-bottom:14px;
}
.compare-card h3 .dot{
width:10px;
height:10px;
border-radius:50%;
flex:0 0 10px;
}
.compare-good .dot{background:var(--ok);}
.compare-warn .dot{background:var(--warn);}
.compare-card ul li{
display:flex;
gap:12px;
align-items:flex-start;
padding:16px 0;
border-top:1px solid var(--line);
font-size:15px;
line-height:1.8;
color:var(--ink-700);
}
.compare-card ul li svg{
width:16px;
height:16px;
margin-top:6px;
flex:0 0 16px;
}
.compare-good ul li svg{color:var(--ok);}
.compare-warn ul li svg{color:var(--warn);}
/* ============ 误区 ============ */
.myth-layout{
display:grid;
grid-template-columns:minmax(0,7fr) minmax(0,5fr);
gap:56px;
align-items:center;
}
.myth-list{display:grid;gap:20px;}
.myth-item{
position:relative;
padding:4px 0 4px 20px;
border-left:3px solid var(--brand-500);
}
.myth-item h3{
font-size:18px;
margin-bottom:6px;
}
.myth-item p{
font-size:15px;
line-height:1.85;
color:var(--ink-500);
}
.myth-visual{
border-radius:20px;
overflow:hidden;
border:1px solid var(--line);
background:linear-gradient(160deg,var(--surface-2),var(--brand-50));
box-shadow:var(--shadow-card);
}
.myth-visual img{
width:100%;
aspect-ratio:3/2;
object-fit:cover;
transition:transform .6s ease;
}
.myth-visual:hover img{transform:scale(1.03);}
/* ============ 常见问题 ============ */
.faq-list{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
width:100%;
display:flex;
align-items:flex-start;
justify-content:space-between;
gap:24px;
padding:24px 0;
border:0;
background:transparent;
text-align:left;
font-family:var(--font-body);
font-size:17px;
font-weight:600;
color:var(--ink-900);
transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
position:relative;
flex:0 0 18px;
width:18px;
height:18px;
margin-top:7px;
transition:transform .32s ease;
}
.faq-icon::before,
.faq-icon::after{
content:"";
position:absolute;
left:0;
top:8px;
width:18px;
height:2px;
border-radius:2px;
background:var(--brand-600);
}
.faq-icon::after{transform:rotate(90deg);transition:opacity .32s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
max-height:0;
overflow:hidden;
transition:max-height .32s ease;
}
.faq-a p{
padding:0 0 24px;
max-width:740px;
font-size:14.5px;
line-height:1.9;
color:var(--ink-700);
}
/* ============ 底部行动区 ============ */
.cta-band{
position:relative;
overflow:hidden;
background:var(--brand-700);
padding:76px 0;
text-align:center;
}
.cta-band::after{
content:"";
position:absolute;
right:-80px;
top:-60px;
width:420px;
height:420px;
background:radial-gradient(circle,rgba(255,255,255,.10) 0%,rgba(255,255,255,0) 70%);
border-radius:50%;
pointer-events:none;
}
.cta-band .container{position:relative;z-index:1;}
.cta-band h2{
color:#fff;
font-size:clamp(26px,3.2vw,36px);
margin-bottom:14px;
}
.cta-band p{
color:rgba(255,255,255,.78);
font-size:16px;
max-width:560px;
margin:0 auto;
}
.cta-form{
display:flex;
gap:12px;
max-width:520px;
margin:30px auto 0;
}
.cta-form input{
flex:1;
height:48px;
padding:0 18px;
border-radius:12px;
border:1px solid rgba(255,255,255,.24);
background:rgba(255,255,255,.08);
color:#fff;
font-size:15px;
outline:none;
transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.6);}
.cta-form input:focus{
background:rgba(255,255,255,.14);
border-color:rgba(255,255,255,.7);
box-shadow:0 0 0 3px rgba(255,255,255,.14);
}
.cta-note{
margin-top:16px;
font-size:12px;
color:rgba(255,255,255,.55);
}
/* ============ 页脚 ============ */
.site-footer{
position:relative;
overflow:hidden;
background:var(--ink-900);
color:rgba(255,255,255,.72);
padding:72px 0 0;
}
.site-footer::after{
content:"";
position:absolute;
right:-120px;
bottom:-120px;
width:460px;
height:460px;
background:radial-gradient(circle,rgba(255,255,255,.05) 0%,rgba(255,255,255,0) 70%);
border-radius:50%;
pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{
display:grid;
grid-template-columns:1.6fr 1fr 1fr 1fr;
gap:40px;
padding-bottom:52px;
}
.footer-brand{
display:inline-flex;
align-items:center;
gap:10px;
color:#fff;
font-family:var(--font-head);
font-size:17px;
font-weight:600;
}
.footer-brand:hover{color:#fff;}
.footer-brand svg{width:24px;height:24px;color:rgba(255,255,255,.82);}
.footer-desc{
margin-top:16px;
max-width:280px;
font-size:14px;
line-height:1.8;
color:rgba(255,255,255,.62);
}
.footer-col h4{
margin-bottom:16px;
font-family:var(--font-body);
font-size:14px;
font-weight:600;
color:var(--brand-50);
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
font-size:14px;
color:rgba(255,255,255,.62);
text-decoration:underline;
text-underline-offset:4px;
text-decoration-color:transparent;
transition:color .2s ease,text-decoration-color .2s ease;
}
.footer-col a:hover{color:#fff;text-decoration-color:currentColor;}
.footer-bottom{
display:flex;
flex-wrap:wrap;
align-items:center;
justify-content:space-between;
gap:12px;
padding:22px 0 28px;
border-top:1px solid rgba(255,255,255,.12);
font-size:13px;
color:rgba(255,255,255,.5);
}
/* ============ 响应式 ============ */
@media (max-width:1279px){
:root{--section-y:80px;}
.hero-grid{gap:40px;}
.intro-layout,.myth-layout{gap:40px;}
}
@media (max-width:1023px){
:root{--section-y:72px;}
.nav-links,.header-actions .search-box,.link-login,.header-actions .btn{display:none;}
.nav-toggle{display:block;}
.header-inner{gap:16px;}
.hero-grid{grid-template-columns:1fr;gap:40px;}
.hero-visual{order:2;}
.float-card{position:static;margin-top:16px;right:auto;bottom:auto;}
.intro-layout,.myth-layout{grid-template-columns:1fr;gap:36px;}
.compare-grid{grid-template-columns:1fr;}
.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
:root{--section-y:48px;}
body{font-size:16px;line-height:1.8;}
.container{padding:0 20px;}
.page-hero{padding:36px 0 56px;}
.hero-title{font-size:clamp(28px,7vw,36px);}
.hero-sub{font-size:16px;}
.hero-actions{flex-direction:column;align-items:stretch;}
.hero-actions .btn{width:100%;}
.hero-metrics{gap:18px;}
.metric-divider{display:none;}
.metric-num{font-size:26px;}
.section-head{margin-bottom:32px;}
.section-head-row{align-items:flex-start;}
.tl-item{padding-left:46px;padding-bottom:32px;}
.tl-item::before{left:12px;}
.tl-num{width:25px;height:25px;}
.compare-card{padding:24px 20px 6px;}
.cta-form{flex-direction:column;}
.cta-form .btn{width:100%;}
.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
.footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
.container{padding:0 16px;}
.header-inner{height:60px;}
.brand{font-size:16px;}
.page-hero{padding:28px 0 44px;}
.float-card{padding:12px 14px;}
.compare-card ul li{font-size:14.5px;}
.faq-q{font-size:16px;padding:20px 0;}
}
@media (prefers-reduced-motion:reduce){
*{animation:none !important;transition-duration:.01ms !important;}
.reveal{opacity:1;transform:none;}
html{scroll-behavior:auto;}
}