/* roulang page: index */
:root{
  --primary:#E2651C;
  --primary-dark:#B74E12;
  --primary-light:#FBE9DC;
  --stone:#4B6A6F;
  --ink:#1C1A17;
  --paper:#F7F3EC;
  --card:#FFFFFF;
  --card-2:#FBF8F3;
  --line:#E6DFD4;
  --text:#2A2724;
  --muted:#6E6862;
  --ok:#3F7D58;
  --warn:#C9861A;
  --err:#B3402B;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:8px;
  --shadow-1:0 1px 2px rgba(28,26,23,.06);
  --shadow-2:0 10px 28px rgba(28,26,23,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.8;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);letter-spacing:-0.01em;line-height:1.25;margin:0}
p{margin:0}
::selection{background:var(--primary-light);color:var(--primary-dark)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:100px 0;position:relative}
.section-alt{background:var(--card-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.04em;color:var(--primary-dark);background:var(--primary-light);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.section-title{font-size:clamp(28px,3vw,40px)}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:62ch}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:500;line-height:1.2;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{border-color:var(--line);background:var(--card);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn[disabled]{opacity:.4;pointer-events:none}
.link-underline{position:relative;color:var(--primary-dark);font-weight:500}
.link-underline::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.link-underline:hover::after{transform:scaleX(1)}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .45s ease-out,transform .45s ease-out}
.reveal.in{opacity:1;transform:none}

/* 顶部卡片化导航 */
.site-header{position:sticky;top:0;z-index:80;padding:18px 0 6px;transition:padding .3s ease}
.nav-inner{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;transition:max-width .3s ease}
.nav-card{display:flex;align-items:center;gap:14px;height:72px;padding:0 14px 0 20px;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:box-shadow .3s ease,border-color .3s ease}
.site-header.is-scrolled .nav-inner{max-width:1152px}
.site-header.is-scrolled .nav-card{box-shadow:var(--shadow-2);border-bottom-color:var(--primary)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink)}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));overflow:hidden;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(118deg,rgba(255,255,255,0) 0 5px,rgba(255,255,255,.55) 5px 7px)}
.brand-text small{display:block;font-family:var(--sans);font-size:11px;font-weight:400;color:var(--muted);line-height:1;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:8px;margin:0 auto}
.nav-item{position:relative;display:flex;flex-direction:column;justify-content:center;gap:2px;padding:8px 14px;border-radius:var(--radius-sm);background:var(--card-2);border:1px solid transparent;transition:background .2s ease,border-color .2s ease}
.nav-item .iconline{display:flex;align-items:center;gap:6px}
.nav-item svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.6;transition:stroke .2s ease}
.nav-item .label{font-size:14px;font-weight:500;color:var(--ink);line-height:1.2}
.nav-item .sub{font-size:11px;color:var(--muted);line-height:1.2}
.nav-item:hover{background:var(--primary-light);border-color:var(--primary)}
.nav-item:hover svg{stroke:var(--primary-dark)}
.nav-item.active{background:var(--primary);border-color:var(--primary)}
.nav-item.active .label,.nav-item.active .sub{color:#fff}
.nav-item.active svg{stroke:#fff}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card-2);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动端抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .22s ease,visibility .22s ease}
.nav-drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(28,26,23,.4)}
.drawer-panel{position:absolute;left:12px;right:12px;bottom:12px;background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);padding:20px;transform:translateY(24px);transition:transform .22s ease;box-shadow:var(--shadow-2)}
.nav-drawer.open .drawer-panel{transform:translateY(0)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.drawer-grid .nav-item{align-items:flex-start}

/* Hero */
.hero{position:relative;padding:64px 0 96px;background-image:url('/assets/images/backpic/back-1.jpg');background-size:cover;background-position:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(247,243,236,.97) 0%,rgba(247,243,236,.92) 52%,rgba(251,233,220,.86) 100%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,5vw,64px);line-height:1.15;margin-bottom:22px}
.hero-lead{font-size:17px;color:var(--text);max-width:56ch;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:36px}
.hero-badge{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:13px;color:var(--muted);box-shadow:var(--shadow-1)}
.hero-badge strong{display:block;font-size:14px;color:var(--ink);font-weight:500;margin-bottom:2px}
.invite-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-2)}
.invite-card h3{font-size:22px;margin-bottom:6px}
.invite-card .invite-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.progress-row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.progress-row b{color:var(--primary-dark);font-weight:600}
.progress-track{height:10px;border-radius:999px;background:var(--card-2);border:1px solid var(--line);overflow:hidden}
.progress-track span{display:block;height:100%;width:68%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px}
.reward-list{margin:22px 0;display:grid;gap:12px}
.reward-list li{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.7}
.reward-list li i{flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--primary-light);color:var(--primary-dark);font-style:normal;font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:3px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pain-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease}
.pain-card:nth-child(2){margin-top:20px}
.pain-card:nth-child(4){margin-top:20px}
.pain-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary);transform:translateY(-2px)}
.pain-card .pain-num{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.08em}
.pain-card h3{font-size:19px;margin:10px 0 10px}
.pain-card p{font-size:14px;color:var(--muted);line-height:1.8}

/* 指标 */
.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.metric-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease}
.metric-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary)}
.metric-num{display:flex;align-items:baseline;font-family:var(--sans);font-size:clamp(44px,4.2vw,68px);font-weight:700;color:var(--ink);letter-spacing:-.04em;line-height:1}
.metric-num .unit{font-size:30%;font-weight:600;color:var(--primary);margin-left:8px;letter-spacing:0}
.metric-label{margin-top:14px;font-size:15px;color:var(--ink);font-weight:500}
.metric-note{margin-top:6px;font-size:13px;color:var(--muted)}
.metric-bar{margin-top:16px;height:6px;border-radius:999px;background:var(--card-2);border:1px solid var(--line);overflow:hidden}
.metric-bar span{display:block;height:100%;background:var(--primary);border-radius:999px}

/* 服务砖墙 */
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.m-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;position:relative;overflow:hidden}
.m-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary);transform:translateY(-2px)}
.m-card h3{font-size:20px;margin-bottom:10px}
.m-card p{font-size:14px;color:var(--muted);line-height:1.8}
.m-card .arrow{margin-top:auto;padding-top:18px;color:var(--primary);font-size:18px}
.m-large{grid-column:span 3;grid-row:span 2;padding:0}
.m-large .m-media{aspect-ratio:16/9;background:var(--primary-light);overflow:hidden}
.m-large .m-media img{width:100%;height:100%;object-fit:cover}
.m-large .m-body{padding:26px}
.m-wide{grid-column:span 3}
.m-mid{grid-column:span 2}

/* 场景 Tab */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tab{padding:10px 18px;border-radius:var(--radius-sm);background:var(--card);border:1px solid var(--line);font-size:14px;color:var(--ink);cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.tab:hover{border-color:var(--primary);color:var(--primary-dark)}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
.tab-panel{display:none}
.tab-panel.active{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center}
.scene-media{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--primary-light)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-body h3{font-size:24px;margin-bottom:14px}
.scene-body p{color:var(--muted);font-size:15px;line-height:1.9}
.scene-points{margin-top:20px;display:grid;gap:10px}
.scene-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text)}
.scene-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--primary)}

/* 对比 */
.compare-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.compare-table th{background:var(--card-2);font-family:var(--serif);font-weight:700;color:var(--ink);font-size:15px}
.compare-table tr:last-child td{border-bottom:0}
.compare-table td:first-child{font-weight:500;color:var(--ink)}
.diff-tag{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:13px}

/* 里程碑 */
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;padding-top:8px}
.timeline::before{content:"";position:absolute;left:6%;right:6%;top:52px;height:1px;background:var(--line)}
.tl-item{position:relative;padding:0 14px;text-align:center}
.tl-num{font-family:var(--sans);font-size:40px;font-weight:700;color:var(--primary);letter-spacing:-.03em;line-height:1}
.tl-dot{width:12px;height:12px;border-radius:50%;background:var(--primary);margin:14px auto 16px;box-shadow:0 0 0 5px var(--paper);position:relative;z-index:1}
.tl-item h3{font-size:16px;margin-bottom:8px}
.tl-item p{font-size:13px;color:var(--muted);line-height:1.75}

/* 入口矩阵 */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entry-card{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease}
.entry-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary);transform:translateY(-2px)}
.entry-card strong{font-family:var(--serif);font-size:19px;color:var(--ink);font-weight:700}
.entry-card span.entry-desc{font-size:14px;color:var(--muted)}
.entry-card .entry-arrow{margin-top:12px;color:var(--primary);font-size:16px}

/* 榜单 */
.rank-list{border-top:1px solid var(--line)}
.rank-row{position:relative;display:grid;grid-template-columns:70px 1fr 110px 110px;gap:20px;align-items:center;padding:20px 16px;border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}
.rank-row::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--primary);transform:scaleY(0);transition:transform .2s ease}
.rank-row:hover{background:var(--card);padding-left:26px}
.rank-row:hover::before{transform:scaleY(1)}
.rank-num{font-family:var(--sans);font-size:22px;font-weight:700;color:var(--primary);letter-spacing:-.02em}
.rank-title{font-size:16px;color:var(--ink);font-weight:500}
.rank-tag{justify-self:start;font-size:13px;padding:4px 12px;border-radius:999px;border:1px solid var(--stone);color:var(--stone)}
.rank-date{font-size:13px;color:var(--muted);text-align:right}

/* 口碑 */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px}
.quote-mark{font-family:var(--serif);font-size:56px;line-height:.7;color:var(--primary);margin-bottom:14px}
.quote-card blockquote{margin:0;font-size:17px;line-height:1.9;color:var(--ink)}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:22px}
.quote-avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:16px}
.quote-meta span{font-size:14px;color:var(--muted)}
.trust-note{margin-top:32px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.trust-item h4{font-family:var(--sans);font-size:15px;font-weight:600;color:var(--ink);margin-bottom:6px}
.trust-item p{font-size:13px;color:var(--muted);line-height:1.75}
.trust-foot{grid-column:1/-1;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* 资讯 */
.news-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:start}
.news-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease}
.news-main:hover{box-shadow:var(--shadow-2);border-color:var(--primary);transform:translateY(-2px)}
.news-main .news-media{aspect-ratio:16/9;background:var(--primary-light);overflow:hidden}
.news-main .news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-main:hover .news-media img{transform:scale(1.02)}
.news-main .news-body{padding:26px}
.news-main h3{font-size:22px;margin-bottom:12px}
.news-main p{font-size:15px;color:var(--muted)}
.news-date{margin-top:16px;font-size:13px;color:var(--muted)}
.news-side{display:grid;gap:14px}
.news-item{display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,border-color .2s ease}
.news-item:hover{border-color:var(--primary);box-shadow:var(--shadow-2)}
.news-thumb{aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--primary-light)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item h4{font-family:var(--sans);font-size:14px;font-weight:500;line-height:1.6;color:var(--ink);transition:color .2s ease}
.news-item:hover h4{color:var(--primary-dark)}
.news-item time{display:block;margin-top:6px;font-size:12px;color:var(--muted)}

/* 套餐 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease}
.plan-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary);transform:translateY(-2px)}
.plan-card.featured{border-color:var(--primary);box-shadow:var(--shadow-2)}
.plan-flag{display:inline-block;align-self:flex-start;font-size:12px;padding:4px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);margin-bottom:14px}
.plan-card h3{font-size:22px;margin-bottom:14px}
.plan-price{display:flex;align-items:baseline;gap:6px;font-family:var(--sans);color:var(--ink)}
.plan-price b{font-size:46px;font-weight:700;letter-spacing:-.03em;line-height:1}
.plan-price .cur{font-size:18px;font-weight:600}
.plan-price .suffix{font-size:13px;color:var(--muted);margin-left:6px}
.plan-list{margin:22px 0;display:grid;gap:10px}
.plan-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text)}
.plan-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--primary-light);border:2px solid var(--primary)}
.plan-card .btn{margin-top:auto}

/* 保障 */
.assure-band{background:var(--card-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.assure-item{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px}
.assure-mark{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:15px}
.assure-item h3{font-family:var(--sans);font-size:16px;font-weight:600;margin-bottom:4px;color:var(--ink)}
.assure-item p{font-size:13px;color:var(--muted);line-height:1.7}

/* 快速解答 */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quick-card{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;font-size:15px;color:var(--ink);transition:border-color .2s ease,color .2s ease,box-shadow .2s ease}
.quick-card:hover{border-color:var(--primary);color:var(--primary-dark);box-shadow:var(--shadow-2)}
.quick-card i{font-style:normal;color:var(--primary)}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 4px;background:none;border:0;text-align:left;cursor:pointer;font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);transition:color .2s ease}
.faq-q:hover{color:var(--primary-dark)}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--sans);font-size:15px;color:var(--primary-dark);transition:transform .2s ease,background .2s ease,color .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--primary);border-color:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .faq-a{max-height:220px}
.faq-a p{padding:0 46px 24px 4px;font-size:15px;color:var(--muted);line-height:1.85}

/* 转化 */
.join-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.join-points{margin-top:24px;display:grid;gap:14px}
.join-points li{position:relative;padding-left:22px;font-size:15px;color:var(--text)}
.join-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--primary)}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--card-2);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(226,101,28,.18);background:#fff}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:6px 0 20px}
.check-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary)}
.form-note{margin-top:14px;font-size:13px;color:var(--ok);min-height:20px}
.form-note.error{color:var(--err)}

/* 页脚 */
.site-footer{background:var(--ink);color:#E6DFD4;border-top:1px solid var(--primary);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:72px 0 40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text small{color:rgba(230,223,212,.65)}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(230,223,212,.72);line-height:1.85;max-width:36ch}
.footer-col h4{font-family:var(--sans);font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(230,223,212,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding:20px 0 32px;border-top:1px solid rgba(230,223,212,.16);font-size:13px;color:rgba(230,223,212,.6)}

/* 响应式 */
@media (max-width:1279px){
  .metric-grid{grid-template-columns:repeat(3,1fr)}
  .nav-item .sub{display:none}
}
@media (max-width:1023px){
  .container,.nav-inner{padding:0 24px}
  .section{padding:72px 0}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-card{height:64px}
  .hero{padding:48px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-badges{grid-template-columns:repeat(2,1fr)}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .pain-card:nth-child(2),.pain-card:nth-child(4){margin-top:0}
  .mosaic{grid-template-columns:repeat(2,1fr)}
  .m-large{grid-column:span 2;grid-row:auto}
  .m-wide{grid-column:span 2}
  .m-mid{grid-column:span 1}
  .tab-panel.active{grid-template-columns:1fr;gap:24px}
  .timeline{grid-template-columns:repeat(3,1fr);gap:32px 0}
  .timeline::before{display:none}
  .tl-dot{box-shadow:none}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .join-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:56px 0 32px}
  .quote-grid{grid-template-columns:1fr}
  .trust-note{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container,.nav-inner{padding:0 20px}
  .section{padding:56px 0}
  .metric-grid{grid-template-columns:1fr}
  .rank-row{grid-template-columns:52px 1fr;gap:12px;row-gap:8px}
  .rank-tag{grid-column:2;justify-self:start}
  .rank-date{grid-column:2;text-align:left}
  .rank-row:hover{padding-left:16px}
  .compare-table thead{display:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table{border:0;background:transparent}
  .compare-table tr{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;margin-bottom:14px}
  .compare-table td{border:0;padding:6px 0;display:flex;justify-content:space-between;gap:16px;font-size:14px}
  .compare-table td::before{content:attr(data-label);color:var(--muted);font-size:13px;flex:0 0 auto}
  .timeline{grid-template-columns:1fr;gap:0;padding-left:22px}
  .timeline::after{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
  .tl-item{text-align:left;padding:0 0 28px}
  .tl-num{font-size:28px}
  .tl-dot{margin:10px 0 12px;position:relative;left:-22px}
  .entry-grid,.pain-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .hero-badges{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .mosaic{grid-template-columns:1fr}
  .m-large,.m-wide,.m-mid{grid-column:span 1}
  .tabs{gap:8px}
  .tab{padding:9px 14px;font-size:13px}
}
@media (max-width:560px){
  .hero h1{font-size:34px}
  .form-card{padding:22px}
  .invite-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
 --primary:#E2651C;
 --primary-dark:#B74E12;
 --primary-light:#FBE9DC;
 --stone:#4B6A6F;
 --ink:#1C1A17;
 --paper:#F7F3EC;
 --card:#FFFFFF;
 --card-2:#FBF8F3;
 --line:#E6DFD4;
 --text:#2A2724;
 --muted:#6E6862;
 --ok:#3F7D58;
 --warn:#C9861A;
 --err:#B3402B;
 --radius-lg:20px;
 --radius:16px;
 --radius-sm:12px;
 --radius-btn:8px;
 --shadow-1:0 1px 2px rgba(28,26,23,.06);
 --shadow-2:0 10px 28px rgba(28,26,23,.10);
 --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
 --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 --gap:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.8;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0;line-height:1.22}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--card-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.04em;color:var(--primary-dark);background:var(--primary-light);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.section-title{font-size:clamp(26px,3vw,38px)}
.section-desc{margin-top:14px;color:var(--muted);font-size:15px;max-width:64ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:500;line-height:1.2;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{border-color:var(--line);background:var(--card);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn[disabled]{opacity:.4;pointer-events:none}

/* 顶部卡片化导航 */
.site-header{position:sticky;top:0;z-index:80;padding:18px 0 6px;transition:padding .3s ease}
.nav-inner{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;transition:max-width .3s ease}
.nav-card{display:flex;align-items:center;gap:14px;height:72px;padding:0 14px 0 20px;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:box-shadow .3s ease,border-color .3s ease}
.site-header.is-scrolled .nav-inner{max-width:1152px}
.site-header.is-scrolled .nav-card{box-shadow:var(--shadow-2);border-bottom-color:var(--primary)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink)}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));overflow:hidden;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(118deg,rgba(255,255,255,0) 0 5px,rgba(255,255,255,.55) 5px 7px)}
.brand-text small{display:block;font-family:var(--sans);font-size:11px;font-weight:400;color:var(--muted);line-height:1;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:8px;margin:0 auto}
.nav-item{position:relative;display:flex;flex-direction:column;justify-content:center;gap:2px;padding:8px 14px;border-radius:var(--radius-sm);background:var(--card-2);border:1px solid transparent;transition:background .2s ease,border-color .2s ease}
.nav-item .iconline{display:flex;align-items:center;gap:6px}
.nav-item svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.6;transition:stroke .2s ease}
.nav-item .label{font-size:14px;font-weight:500;color:var(--ink);line-height:1.2}
.nav-item .sub{font-size:11px;color:var(--muted);line-height:1.2}
.nav-item:hover{background:var(--primary-light);border-color:var(--primary)}
.nav-item:hover svg{stroke:var(--primary-dark)}
.nav-item.active{background:var(--primary);border-color:var(--primary)}
.nav-item.active .label,.nav-item.active .sub{color:#fff}
.nav-item.active svg{stroke:#fff}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card-2);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .22s ease,visibility .22s ease}
.nav-drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(28,26,23,.4)}
.drawer-panel{position:absolute;left:12px;right:12px;bottom:12px;background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);padding:20px;transform:translateY(24px);transition:transform .22s ease;box-shadow:var(--shadow-2)}
.nav-drawer.open .drawer-panel{transform:translateY(0)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.drawer-grid .nav-item{align-items:flex-start}

/* 分类页头 */
.cat-head{background:var(--card);border-bottom:1px solid var(--line);padding:30px 0 22px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:12px}
.breadcrumb a:hover{color:var(--primary)}
.cat-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cat-head h1{font-size:clamp(26px,3vw,38px)}
.cat-head .cat-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:74ch}
.cat-count{flex:0 0 auto;display:inline-flex;align-items:baseline;gap:6px;border:1px solid var(--line);background:var(--card-2);border-radius:999px;padding:8px 18px;font-size:13px;color:var(--muted)}
.cat-count b{font-family:var(--sans);font-size:22px;font-weight:700;color:var(--primary-dark);letter-spacing:-.02em}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.tool-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tool-label{font-size:12px;color:var(--muted);margin-right:2px}
.chip{display:inline-flex;align-items:center;padding:6px 15px;border-radius:999px;border:1px solid var(--line);background:var(--card-2);font-size:13px;color:var(--muted);cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.chip:hover{border-color:var(--primary);color:var(--primary-dark);background:#fff}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.view-btn{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card-2);font-size:13px;color:var(--muted);cursor:pointer;transition:.2s}
.view-btn.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* 筛选卡条 */
.filter-card{display:flex;flex-wrap:wrap;gap:22px;align-items:flex-end;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-1)}
.filter-group{display:flex;flex-direction:column;gap:9px;min-width:170px}
.filter-label{font-size:12px;color:var(--muted);letter-spacing:.02em}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.select{height:42px;min-width:160px;padding:0 34px 0 14px;border-radius:var(--radius-btn);border:1px solid var(--line);background:var(--card-2) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236E6862' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center;font-size:14px;color:var(--text);appearance:none;cursor:pointer;transition:border-color .2s,box-shadow .2s}
.select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(226,101,28,.16)}
.filter-reset{margin-left:auto;align-self:flex-end;background:none;border:0;font-size:13px;color:var(--muted);cursor:pointer;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.filter-reset:hover{color:var(--primary);border-bottom-color:var(--primary)}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.v-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.v-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-2)}
.v-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F0EAE0}
.v-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.v-card:hover .v-cover img{transform:scale(1.02)}
.v-tag{position:absolute;left:12px;top:12px;padding:3px 11px;border-radius:999px;background:rgba(255,255,255,.94);border:1px solid rgba(226,101,28,.35);color:var(--primary-dark);font-size:12px;line-height:1.6}
.v-body{display:flex;flex-direction:column;gap:9px;padding:18px 20px 20px;flex:1}
.v-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-desc{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--muted)}
.list-more{display:flex;justify-content:center;margin-top:40px}

/* 数据条 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);padding:20px 22px;transition:border-color .2s,box-shadow .2s}
.stat-card:hover{border-color:var(--primary);box-shadow:var(--shadow-1)}
.stat-num{font-family:var(--sans);font-size:36px;font-weight:700;line-height:1.1;letter-spacing:-.03em;color:var(--ink)}
.stat-num em{font-style:normal;font-size:12px;font-weight:400;color:var(--muted);margin-left:6px;letter-spacing:0}
.stat-label{margin-top:8px;font-size:13px;color:var(--muted)}
.stat-bar{margin-top:14px;height:4px;border-radius:2px;background:#F0EAE0;overflow:hidden}
.stat-bar i{display:block;height:100%;background:var(--primary);border-radius:2px}

/* 精选推荐 */
.pick-list{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.pick-card{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;transition:border-color .2s,transform .2s,box-shadow .2s}
.pick-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.pick-thumb{flex:0 0 96px;width:96px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#F0EAE0}
.pick-thumb img{width:100%;height:100%;object-fit:cover}
.pick-body h3{font-size:16px;line-height:1.5}
.pick-body p{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}
.pick-body span{display:inline-block;margin-top:8px;font-size:12px;color:var(--primary-dark)}

/* 画质分级 */
.grade-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.grade-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden}
.grade-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);opacity:.9}
.grade-card h3{font-size:19px}
.grade-card .grade-meta{margin-top:6px;font-size:13px;color:var(--primary-dark)}
.grade-card p{margin-top:12px;font-size:14px;color:var(--muted)}
.grade-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.grade-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text)}
.grade-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary)}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item:hover{border-color:#D9CFC0}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;font-size:16px;color:var(--ink);line-height:1.6}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--primary-dark);transition:transform .2s ease,background .2s ease,color .2s ease}
.faq-item.open .faq-icon{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--muted);max-width:76ch}

/* 保障 */
.guard-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px}
.guard-icon{width:38px;height:38px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.guard-icon svg{width:20px;height:20px;stroke:var(--primary-dark);fill:none;stroke-width:1.6}
.guard-card h3{font-size:16px}
.guard-card p{margin-top:8px;font-size:13px;color:var(--muted)}

/* CTA */
.cta-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;background:linear-gradient(135deg,#FBE9DC 0%,#FFFFFF 72%);border:1px solid rgba(226,101,28,.28);border-radius:var(--radius-lg);padding:44px 44px}
.cta-copy h2{font-size:clamp(24px,2.6vw,34px)}
.cta-copy p{margin-top:14px;font-size:15px;color:var(--muted);max-width:52ch}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:18px;font-size:14px;color:var(--text)}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--primary)}
.cta-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13px;color:var(--muted)}
.input{height:46px;padding:0 14px;border-radius:var(--radius-btn);border:1px solid var(--line);background:var(--card-2);font-size:15px;transition:border-color .2s,box-shadow .2s}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(226,101,28,.16)}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7}

/* 页脚 */
.site-footer{background:var(--ink);color:#E6DFD4;border-top:1px solid var(--primary);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text small{color:#A9A29A}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#A9A29A;max-width:38ch}
.footer-col h4{font-family:var(--sans);font-size:15px;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px;color:#A9A29A}
.footer-col a{transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(230,223,212,.15);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8E877E}

/* 动效 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .45s ease-out,transform .45s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 .reveal{opacity:1;transform:none;transition:none}
 .v-card:hover,.pick-card:hover{transform:none}
 .v-card:hover .v-cover img{transform:none}
}

/* 响应式 */
@media (max-width:1279px){
 .card-grid{gap:20px}
}
@media (max-width:1023px){
 .container{padding:0 24px}
 .nav-inner{padding:0 24px}
 .nav-links,.nav-cta{display:none}
 .nav-toggle{display:flex;margin-left:auto}
 .section{padding:72px 0}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .stat-row{grid-template-columns:repeat(2,1fr)}
 .pick-list{grid-template-columns:1fr}
 .grade-row{grid-template-columns:1fr}
 .guard-row{grid-template-columns:repeat(2,1fr)}
 .cta-panel{grid-template-columns:1fr;padding:36px 32px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
 .cat-head{padding:24px 0 18px}
 .filter-card{gap:16px;padding:18px}
 .filter-group{min-width:140px;flex:1 1 140px}
 .select{min-width:130px;width:100%}
 .filter-reset{margin-left:0;align-self:flex-start}
 .section-title{font-size:26px}
}
@media (max-width:639px){
 .container{padding:0 20px}
 .nav-inner{padding:0 20px}
 .nav-card{height:60px;padding:0 12px 0 14px}
 .brand{font-size:19px}
 .brand-mark{width:30px;height:30px}
 .section{padding:56px 0}
 .card-grid{grid-template-columns:1fr}
 .stat-row{grid-template-columns:1fr}
 .guard-row{grid-template-columns:1fr}
 .pick-card{flex-direction:column}
 .pick-thumb{width:100%;flex:none;aspect-ratio:16/9}
 .cta-panel{padding:28px 22px;gap:24px}
 .cta-form{padding:20px}
 .btn-block-mobile{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .cat-count{padding:6px 14px}
 .cat-count b{font-size:19px}
}