/* roulang page: index */
:root{
  --bg:#0E0B14;--bg-soft:#15101D;--panel:#1A1424;--panel-2:#201829;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;--primary-deep:#E4502A;--accent:#7BE0C6;
  --text:#F5F2FA;--text-2:#B6AEC6;--text-3:#877E99;
  --success:#69D9A5;--warn:#FFC861;
  --radius-card:16px;--radius-sm:10px;--radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --container:1180px;--dur:180ms;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",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(--text);font-family:var(--font);font-size:16px;line-height:1.8;letter-spacing:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,106,61,.35);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line);position:relative}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.35}
.sec-sub{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;border:1px solid transparent;transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#180C06}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px) scale(1.02)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;transition:gap var(--dur) ease,color var(--dur) ease}
.link-arrow:hover{gap:11px;color:var(--primary-deep)}
/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.6;border:1px solid var(--line-strong);color:var(--text-2);background:transparent}
.badge-accent{border-color:rgba(123,224,198,.45);color:var(--accent)}
.badge-primary{border-color:rgba(255,106,61,.5);color:var(--primary)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02)}
.tag--accent{color:var(--accent);border-color:rgba(123,224,198,.35)}
/* 头部导航 */
.site-header{position:fixed;top:0;left:0;right:0;height:72px;z-index:100;background:rgba(14,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-main em{font-style:normal;color:var(--accent);font-size:16px;font-weight:800}
.logo-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.22em;margin-top:3px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);font-weight:600;border-radius:var(--radius-sm);transition:color var(--dur) ease,background var(--dur) ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{transform:scaleX(1);left:14px;right:34%}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) ease,opacity var(--dur) ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:95;background:var(--bg);padding:12px 20px 48px;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--dur) ease,transform var(--dur) ease}
.nav-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link span{color:var(--text-3);font-size:16px}
.drawer-link.is-active{color:var(--primary)}
.drawer-cta{margin-top:24px;width:100%}
/* Hero */
.hero{position:relative;overflow:hidden;padding:152px 0 0;background:var(--bg)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/c7ba09a689e154fe.webp');background-size:cover;background-position:center;opacity:.55}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,11,20,.96) 0%,rgba(14,11,20,.86) 46%,rgba(14,11,20,.42) 100%)}
.hero-inner{position:relative;z-index:2;padding-bottom:56px}
.hero-content{max-width:720px}
.hero h1{margin-top:18px;font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.24;letter-spacing:-.01em}
.hero-lead{margin-top:20px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.countdown{margin-top:34px;display:inline-flex;flex-wrap:wrap;align-items:center;gap:16px;padding:12px 18px;border:1px solid var(--line-strong);border-radius:var(--radius-card);background:rgba(26,20,36,.72)}
.countdown-label{font-size:13px;color:var(--text-2);font-weight:600}
.countdown-units{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-unit{min-width:46px;text-align:center;padding:4px 8px;border-radius:var(--radius-sm);background:var(--panel-2);border:1px solid var(--line)}
.cd-unit b{display:block;font-size:19px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.cd-unit i{font-style:normal;font-size:11px;color:var(--text-3)}
.cd-colon{color:var(--text-3);font-weight:700}
.hero-strip{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(21,16,29,.9)}
.hero-strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.hero-strip-item{padding:22px 24px;border-right:1px solid var(--line)}
.hero-strip-item:last-child{border-right:0}
.hero-strip-item b{display:block;font-size:22px;font-variant-numeric:tabular-nums;color:var(--text);letter-spacing:-.01em}
.hero-strip-item span{font-size:13px;color:var(--text-3)}
/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pain-card{position:relative;padding:26px 26px 26px 30px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.pain-card::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--primary),rgba(255,106,61,.15))}
.pain-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.pain-num{font-size:12px;font-weight:800;color:var(--primary);letter-spacing:.12em;font-variant-numeric:tabular-nums}
.pain-card h3{font-size:18px;font-weight:700;margin-top:8px}
.pain-card p{margin-top:8px;color:var(--text-2);font-size:14.5px;line-height:1.8}
/* 解决方案 */
.solution{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}
.solution-copy p{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-top:16px}
.ability-stack{display:flex;flex-direction:column;gap:16px}
.ability{padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.ability:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.ability-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.ability-top h3{font-size:16.5px;font-weight:700}
.ability-top b{font-size:15px;color:var(--accent);font-variant-numeric:tabular-nums}
.ability p{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.75}
.meter{margin-top:14px;height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.07);overflow:hidden}
.meter i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--primary),var(--accent))}
/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow-step{position:relative;padding-top:8px}
.flow-step::before{content:"";position:absolute;top:26px;left:56px;right:-22px;height:0;border-top:1px dashed rgba(255,255,255,.16)}
.flow-step:last-child::before{display:none}
.flow-index{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;background:var(--bg)}
.flow-step h3{margin-top:18px;font-size:17px;font-weight:700}
.flow-step p{margin-top:8px;color:var(--text-2);font-size:14.5px;line-height:1.8}
.flow-note{margin-top:12px;display:inline-block;font-size:12.5px;color:var(--accent);border:1px dashed rgba(123,224,198,.35);border-radius:var(--radius-pill);padding:3px 10px}
/* 数据格 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:border-color var(--dur) ease,transform var(--dur) ease}
.stat:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.stat b{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--text);line-height:1.2}
.stat b em{font-style:normal;font-size:15px;color:var(--text-2);margin-left:4px;font-weight:600}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-3);line-height:1.7}
/* 品牌故事 */
.story{position:relative;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);padding:56px 48px;background-image:url('/assets/images/6a5b2cf369f9946a.webp');background-size:cover;background-position:center}
.story::after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(16,12,22,.95),rgba(16,12,22,.68));z-index:1}
.story-inner{position:relative;z-index:2;max-width:680px}
.story h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.35}
.story p{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.9}
.story-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
/* 分类入口墙 */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{position:relative;display:block;padding:28px 26px;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--panel);transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.channel-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}
.channel-card h3{font-size:19px;font-weight:800;margin-top:12px}
.channel-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8}
.channel-card .link-arrow{margin-top:18px}
.channel-index{font-size:12px;font-weight:800;color:var(--text-3);letter-spacing:.16em}
/* 文章卡片 */
.post-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.post-media{display:block;position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--panel-2)}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);pointer-events:none}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;font-weight:700;line-height:1.5}
.post-body h3 a:hover{color:var(--primary)}
.post-body p{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
/* 权益 */
.perk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.perk{position:relative;padding:28px 24px;border-radius:var(--radius-card);border:1px solid var(--line);background:linear-gradient(180deg,rgba(32,24,41,.9),rgba(26,20,36,.9));transition:border-color var(--dur) ease,transform var(--dur) ease}
.perk:hover{border-color:rgba(255,106,61,.45);transform:translateY(-2px)}
.perk-ico{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(123,224,198,.35);color:var(--accent);font-size:18px;font-weight:800}
.perk h3{margin-top:16px;font-size:17px;font-weight:700}
.perk p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.8}
/* 资讯列表 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.news-head .sec-head{margin-bottom:0}
.empty-state{padding:56px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--radius-card);background:var(--panel)}
.empty-state b{display:block;font-size:16px;color:var(--text)}
.empty-state span{display:block;margin-top:8px;font-size:14px;color:var(--text-3)}
/* 保障条 */
.guard-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.guard-item{background:var(--panel);padding:24px 22px}
.guard-item h3{font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:8px}
.guard-item h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(123,224,198,.14)}
.guard-item p{margin-top:8px;font-size:13.5px;color:var(--text-3);line-height:1.75}
/* 口碑 */
.testi-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.testi-col{display:flex;flex-direction:column;gap:20px}
.testi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.testi:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.testi-head{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,rgba(255,106,61,.35),rgba(123,224,198,.25));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--text);flex-shrink:0}
.testi-name{font-size:14.5px;font-weight:700}
.testi-meta{font-size:12px;color:var(--text-3)}
.stars{margin-left:auto;color:var(--primary);font-size:13px;letter-spacing:2px}
.testi p{margin-top:14px;font-size:14.5px;color:var(--text-2);line-height:1.85}
/* 人群 */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.people-card{display:flex;gap:14px;padding:20px 22px;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--bg-soft);transition:border-color var(--dur) ease,transform var(--dur) ease}
.people-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.people-mark{width:34px;height:34px;flex-shrink:0;border-radius:10px;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--accent);font-weight:800}
.people-card h3{font-size:15.5px;font-weight:700}
.people-card p{margin-top:4px;font-size:13.5px;color:var(--text-3);line-height:1.7}
/* 场景横滑 */
.scene-rail{display:flex;gap:18px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.scene-rail::-webkit-scrollbar{height:6px}
.scene-rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}
.scene-card{flex:0 0 320px;scroll-snap-align:start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:border-color var(--dur) ease,transform var(--dur) ease}
.scene-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.scene-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.scene-card figure img{width:100%;height:100%;object-fit:cover}
.scene-card .scene-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.scene-card h3{font-size:16.5px;font-weight:700}
.scene-card p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.scene-card .link-arrow{margin-top:auto;font-size:13px}
/* 活跃度面板 */
.panel-box{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--panel);padding:32px}
.metric-row{display:grid;grid-template-columns:150px 1fr 56px;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.metric-row:last-child{border-bottom:0}
.metric-row span{font-size:14px;color:var(--text-2)}
.metric-track{height:10px;border-radius:var(--radius-pill);background:rgba(255,255,255,.07);overflow:hidden}
.metric-track i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--primary),var(--accent))}
.metric-row b{text-align:right;font-size:15px;color:var(--accent);font-variant-numeric:tabular-nums}
/* 小贴士 */
.tips-list{border-top:1px solid var(--line)}
.tips-item{display:flex;gap:18px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line)}
.tips-num{width:32px;height:32px;flex-shrink:0;border-radius:8px;background:var(--primary);color:#180C06;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.tips-item h3{font-size:16px;font-weight:700}
.tips-item p{margin-top:6px;font-size:14.5px;color:var(--text-2);line-height:1.8}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--panel);overflow:hidden;transition:border-color var(--dur) ease}
.faq-item[open]{border-color:rgba(255,106,61,.4)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px;font-weight:700;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";color:var(--primary);font-size:18px;font-weight:700;transition:transform var(--dur) ease}
.faq-item[open] summary::after{content:"－";transform:rotate(180deg)}
.faq-item[open] summary{color:var(--primary)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);border-left:3px solid var(--primary);margin-left:24px;padding-left:18px}
/* CTA */
.cta-band{position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--radius-card);padding:52px 48px;background:var(--panel);display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.22),transparent 68%);pointer-events:none}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.35}
.cta-copy p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo-main{font-size:19px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.85;max-width:300px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--text);margin-bottom:16px;text-transform:uppercase}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color var(--dur) ease}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.85}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}
/* 响应式 */
@media (max-width:1200px){
  .container{padding:0 20px}
  .scene-card{flex:0 0 300px}
}
@media (max-width:1024px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:120px}
  .hero-strip-grid{grid-template-columns:repeat(2,1fr)}
  .hero-strip-item:nth-child(2){border-right:0}
  .hero-strip-item:nth-child(3),
  .hero-strip-item:nth-child(4){border-top:1px solid var(--line)}
  .solution{grid-template-columns:1fr;gap:32px}
  .grid-4,.stat-grid,.guard-bar{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .flow-step::before{display:none}
  .testi-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .hero{padding-top:104px}
  .hero-inner{padding-bottom:40px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-lead{font-size:15px}
  .grid-2,.grid-3,.pain-grid,.channel-grid,.perk-grid,.people-grid{grid-template-columns:1fr}
  .story{padding:36px 24px}
  .cta-band{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .panel-box{padding:22px}
  .metric-row{grid-template-columns:100px 1fr 48px;gap:12px}
  .metric-row span{font-size:13px}
  .hero-strip-item{padding:18px 16px}
  .hero-strip-item b{font-size:19px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .grid-4,.stat-grid,.guard-bar{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .countdown{width:100%;justify-content:flex-start}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{margin-left:16px;padding-left:14px;padding-right:18px}
  .footer-grid{grid-template-columns:1fr}
  .post-body{padding:18px}
  .scene-card{flex:0 0 268px}
}

/* roulang page: article */
:root{
  --bg:#0E0B14;--bg-soft:#15101D;--panel:#1A1424;--panel-2:#201829;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;--primary-deep:#E4502A;--accent:#7BE0C6;
  --text:#F5F2FA;--text-2:#B6AEC6;--text-3:#877E99;
  --success:#69D9A5;--warn:#FFC861;
  --radius-card:16px;--radius-sm:10px;--radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --container:1180px;--dur:180ms;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",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(--text);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line);position:relative}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.35}
.sec-lead{color:var(--text-2);font-size:15.5px;margin-top:12px;max-width:720px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;border:1px solid transparent;transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#180C06}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px) scale(1.02)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;transition:gap var(--dur) ease,color var(--dur) ease}
.link-arrow:hover{gap:11px;color:var(--primary-deep)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.6;border:1px solid var(--line-strong);color:var(--text-2)}
.badge-accent{border-color:rgba(123,224,198,.45);color:var(--accent)}
.badge-primary{border-color:rgba(255,106,61,.5);color:var(--primary)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02)}
/* 头部 */
.site-header{position:fixed;top:0;left:0;right:0;height:72px;z-index:100;background:rgba(14,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-main em{font-style:normal;color:var(--accent);font-size:16px;font-weight:800}
.logo-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.22em;margin-top:3px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);font-weight:600;border-radius:var(--radius-sm);transition:color var(--dur) ease,background var(--dur) ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{transform:scaleX(1);left:14px;right:34%}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) ease,opacity var(--dur) ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:95;background:var(--bg);padding:12px 20px 48px;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--dur) ease,transform var(--dur) ease}
.nav-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link span{color:var(--text-3);font-size:16px}
.drawer-link.is-active{color:var(--primary)}
.drawer-cta{margin-top:24px;width:100%}
/* 文章页头部 */
.article-top{padding:132px 0 0;background:var(--bg);position:relative;overflow:hidden}
.article-top::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 82% 0%,rgba(255,106,61,.16),transparent 46%);pointer-events:none}
.crumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px}
.crumb a{color:var(--text-2);transition:color var(--dur) ease}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{position:relative;max-width:860px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.32;letter-spacing:-.01em;margin-top:14px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:22px;font-size:13.5px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.article-meta strong{color:var(--text-2);font-weight:600}
/* 正文 */
.article-main{padding:56px 0 88px;background:var(--bg)}
.article-cover{max-width:860px;margin:0 auto 40px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);position:relative}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover}
.article-cover figcaption{font-size:12.5px;color:var(--text-3);padding:12px 16px;background:var(--panel);border-top:1px solid var(--line)}
.article-body{max-width:760px;margin:0 auto}
.prose{font-size:16px;line-height:1.85;color:var(--text-2)}
.prose > * + *{margin-top:1em}
.prose p{color:var(--text-2)}
.prose h2{position:relative;margin-top:2em;padding-left:16px;font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.45;color:var(--text)}
.prose h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--primary)}
.prose h3{margin-top:1.6em;font-size:19px;font-weight:700;color:var(--text)}
.prose strong{color:var(--text);font-weight:700}
.prose ul,.prose ol{margin:1em 0;padding-left:22px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:.4em 0}
.prose li::marker{color:var(--primary)}
.prose blockquote{margin:1.4em 0;padding:16px 20px;background:var(--panel);border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-2)}
.prose blockquote p{margin:0}
.prose img{border-radius:12px;margin:1.4em 0;border:1px solid rgba(255,255,255,.06)}
.prose a{color:var(--primary);border-bottom:1px solid rgba(255,106,61,.4);transition:color var(--dur) ease}
.prose a:hover{color:var(--primary-deep)}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--panel);color:var(--text);font-weight:700}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.prose code{background:var(--panel-2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--accent)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{max-width:760px;margin:0 auto;padding:56px 24px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card)}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px;font-size:15px}
/* 要点卡 */
.keypoint-card{max-width:760px;margin:0 auto 44px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 28px;position:relative;overflow:hidden}
.keypoint-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.keypoint-card h2{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.keypoint-card h2 span{font-size:12px;color:var(--accent);border:1px solid rgba(123,224,198,.4);padding:2px 10px;border-radius:var(--radius-pill);font-weight:700}
.keypoint-card ul{display:grid;gap:10px}
.keypoint-card li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.keypoint-card li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:2px;background:var(--primary);opacity:.85}
/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.post-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.post-card .thumb{aspect-ratio:4/3;background:var(--panel-2);overflow:hidden;border-bottom:1px solid var(--line)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .body h3{font-size:16px;font-weight:700;line-height:1.55;color:var(--text)}
.post-card .body .meta{font-size:12.5px;color:var(--text-3);margin-top:auto}
/* 返回入口 */
.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.back-row .links{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
/* CTA 条 */
.cta-band{position:relative;overflow:hidden;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:38px 36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}
.cta-band::after{content:"";position:absolute;right:-60px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.22),transparent 68%);pointer-events:none}
.cta-band h2{position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.4}
.cta-band p{position:relative;color:var(--text-2);font-size:14.5px;margin-top:8px;max-width:560px}
.cta-band .actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
/* 页脚 */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:360px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:800;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{font-size:14px;color:var(--text-2);transition:color var(--dur) ease}
.footer-col li a:hover{color:var(--primary)}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.85}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
@media (max-width:1200px){.container{max-width:1040px}}
@media (max-width:960px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .article-top{padding-top:112px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .section{padding:64px 0}
}
@media (max-width:720px){
  .site-header{height:60px}
  .article-top{padding-top:96px}
  .article-main{padding:40px 0 64px}
  .article-head{padding-bottom:22px}
  .article-meta{font-size:13px;gap:8px 12px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .keypoint-card{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .btn{width:100%}
  .cta-band .actions{width:100%}
  .back-row .links{flex-direction:column;align-items:flex-start;gap:12px;width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#0E0B14;--bg-soft:#15101D;--panel:#1A1424;--panel-2:#201829;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;--primary-deep:#E4502A;--accent:#7BE0C6;
  --text:#F5F2FA;--text-2:#B6AEC6;--text-3:#877E99;
  --success:#69D9A5;--warn:#FFC861;
  --radius-card:16px;--radius-sm:10px;--radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --container:1180px;--dur:180ms;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",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(--text);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line);position:relative}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:34px}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.35}
.sec-desc{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;border:1px solid transparent;transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#180C06}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px) scale(1.02)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;transition:gap var(--dur) ease,color var(--dur) ease}
.link-arrow:hover{gap:11px;color:var(--primary-deep)}
/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.6;border:1px solid var(--line-strong);color:var(--text-2);background:transparent}
.badge-accent{border-color:rgba(123,224,198,.45);color:var(--accent)}
.badge-primary{border-color:rgba(255,106,61,.5);color:var(--primary)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02)}
/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;height:72px;z-index:100;background:rgba(14,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-main em{font-style:normal;color:var(--accent);font-size:16px;font-weight:800}
.logo-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.22em;margin-top:3px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);font-weight:600;border-radius:var(--radius-sm);transition:color var(--dur) ease,background var(--dur) ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{transform:scaleX(1);left:14px;right:34%}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) ease,opacity var(--dur) ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:95;background:var(--bg);padding:12px 20px 48px;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--dur) ease,transform var(--dur) ease}
.nav-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link span{color:var(--text-3);font-size:16px}
.drawer-link.is-active{color:var(--primary)}
.drawer-cta{margin-top:24px;width:100%}
/* 分类页头 */
.cat-hero{position:relative;overflow:hidden;padding:118px 0 0;border-bottom:1px solid var(--line);background:var(--bg)}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/6a5b2cf369f9946a.webp');background-size:cover;background-position:center;opacity:.26}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(14,11,20,.97) 0%,rgba(14,11,20,.88) 52%,rgba(14,11,20,.66) 100%)}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{transition:color var(--dur) ease}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.5}
.crumb-cur{color:var(--text-2)}
.cat-hero-grid{display:grid;grid-template-columns:1.32fr .88fr;gap:44px;align-items:start;padding-bottom:44px}
.cat-hero h1{font-size:clamp(28px,3.5vw,44px);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-top:4px}
.cat-hero .lead{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:640px}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.cat-tags a{padding:7px 15px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);font-size:13px;color:var(--text-2);transition:border-color var(--dur) ease,color var(--dur) ease,background var(--dur) ease}
.cat-tags a:hover,.cat-tags a:focus-visible{border-color:var(--primary);color:var(--primary);background:rgba(255,106,61,.06)}
.cat-stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.cat-stat .stat-media{position:relative}
.cat-stat .stat-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cat-stat .stat-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);border-radius:var(--radius-card) var(--radius-card) 0 0}
.stat-flag{position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:var(--radius-pill);background:var(--primary);color:#180C06;font-size:12px;font-weight:800;letter-spacing:.02em}
.stat-body{padding:18px 20px 8px}
.stat-body h3{font-size:14px;color:var(--text-2);font-weight:700;letter-spacing:.04em;margin-bottom:6px}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--text-2)}
.stat-row:last-child{border-bottom:0}
.stat-num{font-variant-numeric:tabular-nums;font-weight:800;color:var(--accent);font-size:15px}
/* 图文卡列表 */
.post-list{display:grid;gap:18px}
.post-card{display:grid;grid-template-columns:308px 1fr;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform var(--dur) ease,border-color var(--dur) ease,box-shadow var(--dur) ease}
.post-card:hover,.post-card:focus-within{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.post-thumb{position:relative;background:var(--panel-2);min-height:100%}
.post-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.post-thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.post-body{padding:22px 26px;display:flex;flex-direction:column;gap:10px;justify-content:center}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}
.post-title{font-size:19px;font-weight:700;line-height:1.55;letter-spacing:-.005em;transition:color var(--dur) ease}
.post-card:hover .post-title{color:var(--primary)}
.post-excerpt{color:var(--text-2);font-size:14.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:4px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.empty-state{padding:52px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--radius-card);background:var(--panel);color:var(--text-2);font-size:15px}
.empty-state strong{display:block;color:var(--text);font-size:17px;margin-bottom:8px}
/* 准备清单 */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px;margin-top:30px}
.check-item{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color var(--dur) ease,transform var(--dur) ease}
.check-item:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.check-box{width:20px;height:20px;flex-shrink:0;margin-top:3px;border:1px solid rgba(255,106,61,.55);border-radius:5px;position:relative;background:rgba(255,106,61,.06)}
.check-box::after{content:"";position:absolute;left:6px;top:1px;width:6px;height:11px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(42deg)}
.check-item strong{display:block;font-size:15px;font-weight:700;line-height:1.6}
.check-item span{display:block;font-size:13.5px;color:var(--text-3);margin-top:2px;line-height:1.7}
/* 能力卡与参数条 */
.cap-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.cap-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.cap-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.cap-card p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.meter{margin-top:18px}
.meter-label{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--text-2);margin-bottom:8px}
.meter-label b{font-variant-numeric:tabular-nums;color:var(--accent);font-size:14px}
.meter-track{height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.06);overflow:hidden}
.meter-fill{height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--primary),var(--accent))}
/* 双栏对照 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:6px}
.panel-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 28px;transition:border-color var(--dur) ease,box-shadow var(--dur) ease}
.panel-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.panel-card h3{font-size:19px;font-weight:800;display:flex;align-items:center;gap:10px}
.panel-card h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--primary)}
.panel-card ul{margin-top:16px}
.panel-card li{position:relative;padding-left:18px;margin-top:12px;color:var(--text-2);font-size:14.5px;line-height:1.8}
.panel-card li::before{content:"";position:absolute;left:0;top:.74em;width:6px;height:6px;border-radius:2px;background:var(--primary)}
.panel-card li b{color:var(--text)}
/* 误区卡 */
.myth-list{display:grid;gap:16px;margin-top:30px}
.myth-card{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;padding:22px 26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color var(--dur) ease,transform var(--dur) ease}
.myth-card:hover{border-color:var(--line-strong);transform:translateX(3px)}
.myth-idx{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid rgba(255,106,61,.45);color:var(--primary);font-weight:800;font-variant-numeric:tabular-nums;font-size:16px;background:rgba(255,106,61,.06)}
.myth-card h3{font-size:17px;font-weight:800;line-height:1.6}
.myth-card p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin-top:4px}
/* 延伸阅读条 */
.read-list{display:grid;gap:14px;margin-top:8px}
.read-item{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color var(--dur) ease,transform var(--dur) ease}
.read-item:hover{border-color:var(--line-strong);transform:translateX(3px)}
.read-item .read-main{min-width:0}
.read-item h3{font-size:16.5px;font-weight:700;line-height:1.6;transition:color var(--dur) ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.read-item:hover h3{color:var(--primary)}
.read-item .read-meta{font-size:12.5px;color:var(--text-3);margin-top:4px}
.read-arrow{color:var(--primary);font-size:18px;flex-shrink:0;transition:transform var(--dur) ease}
.read-item:hover .read-arrow{transform:translateX(4px)}
/* FAQ */
.faq-list{display:grid;gap:12px;margin-top:30px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-left:3px solid transparent;border-radius:var(--radius-sm);overflow:hidden;transition:border-color var(--dur) ease}
.faq-item[open]{border-left-color:var(--primary)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{color:var(--primary);font-size:18px;line-height:1;transition:transform var(--dur) ease;flex-shrink:0}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}
/* 转化条 */
.cta-band{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:38px 42px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--panel-2);background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:20px 20px}
.cta-band::after{content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.28),transparent 68%);pointer-events:none}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;line-height:1.4;letter-spacing:-.01em}
.cta-band p{color:var(--text-2);font-size:14.5px;margin-top:10px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;flex-shrink:0}
/* 页脚 */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;margin-top:16px}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color var(--dur) ease}
.footer-col a:hover{color:var(--primary)}
.footer-col p{color:var(--text-3);font-size:13px;line-height:1.85}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:30px}
  .cat-stat{max-width:520px}
  .post-card{grid-template-columns:250px 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:960px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .site-header{height:60px}
  .section{padding:64px 0}
  .cat-hero{padding-top:100px}
}
@media (max-width:720px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section--tight{padding:44px 0}
  .post-card{grid-template-columns:1fr}
  .post-thumb img{aspect-ratio:16/9}
  .post-body{padding:20px}
  .check-list{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .myth-card{grid-template-columns:1fr;gap:12px;padding:20px}
  .read-item{padding:16px 18px;gap:14px}
  .read-item h3{white-space:normal}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .panel-card{padding:22px}
  .for-br{display:none}
}
@media (max-width:480px){
  .cat-hero h1{font-size:26px}
  .sec-title{font-size:23px}
  .post-title{font-size:17.5px}
  .stat-row{font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --bg:#0E0B14;--bg-soft:#15101D;--panel:#1A1424;--panel-2:#201829;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;--primary-deep:#E4502A;--accent:#7BE0C6;
  --text:#F5F2FA;--text-2:#B6AEC6;--text-3:#877E99;
  --success:#69D9A5;--warn:#FFC861;
  --radius-card:16px;--radius-sm:10px;--radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --container:1180px;--dur:180ms;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",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(--text);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0;border-top:1px solid var(--line);position:relative}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.35}
.sec-sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px}
.grid{display:grid;gap:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;border:1px solid transparent;transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#180C06}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px) scale(1.02)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;transition:gap var(--dur) ease,color var(--dur) ease}
.link-arrow:hover{gap:11px;color:var(--primary-deep)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.6;border:1px solid var(--line-strong);color:var(--text-2);background:transparent}
.badge-accent{border-color:rgba(123,224,198,.45);color:var(--accent)}
.badge-primary{border-color:rgba(255,106,61,.5);color:var(--primary)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02)}
.tag--accent{color:var(--accent);border-color:rgba(123,224,198,.35)}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
/* 头部导航 */
.site-header{position:fixed;top:0;left:0;right:0;height:72px;z-index:100;background:rgba(14,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-main em{font-style:normal;color:var(--accent);font-size:16px;font-weight:800}
.logo-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.22em;margin-top:3px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);font-weight:600;border-radius:var(--radius-sm);transition:color var(--dur) ease,background var(--dur) ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{transform:scaleX(1);left:14px;right:34%}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) ease,opacity var(--dur) ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:95;background:var(--bg);padding:12px 20px 48px;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--dur) ease,transform var(--dur) ease}
.nav-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link span{color:var(--text-3);font-size:16px}
.drawer-link.is-active{color:var(--primary)}
.drawer-cta{margin-top:24px;width:100%}
/* 分类页头 */
.page-head{position:relative;padding:132px 0 0;background:var(--bg-soft);border-bottom:1px solid var(--line);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:20px 20px;opacity:.5;pointer-events:none}
.page-head::after{content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.16) 0%,rgba(255,106,61,0) 68%);pointer-events:none}
.page-head-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.55fr .85fr;gap:48px;align-items:center;padding-bottom:56px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .current{color:var(--text-2)}
.page-head h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.28;letter-spacing:-.01em}
.page-head h1 em{font-style:normal;color:var(--primary)}
.page-head .lead{margin-top:18px;color:var(--text-2);font-size:16px;line-height:1.85;max-width:640px}
.head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.side-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow)}
.side-card h3{font-size:15px;font-weight:800;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.side-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/10;border:1px solid rgba(255,255,255,.06);margin-bottom:16px;background:var(--panel-2)}
.side-thumb img{width:100%;height:100%;object-fit:cover}
.side-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text-2)}
.side-list li:last-child{border-bottom:0}
.side-list b{color:var(--text);font-weight:800;font-variant-numeric:tabular-nums}
.filter-bar{position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid var(--line)}
.filter-bar a{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-pill);font-size:13.5px;color:var(--text-2);border:1px solid var(--line-strong);background:rgba(255,255,255,.02);transition:all var(--dur) ease}
.filter-bar a:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px)}
/* 步骤卡 */
.step-list{display:grid;gap:16px}
.step-card{position:relative;display:grid;grid-template-columns:64px 1fr;gap:22px;padding:26px 28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.step-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.step-num{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--primary);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;background:rgba(255,106,61,.07)}
.step-card h3{font-size:19px;font-weight:800;margin-bottom:8px}
.step-card p{color:var(--text-2);font-size:15px;line-height:1.8}
.step-note{margin-top:12px;display:inline-flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--text-3);background:rgba(123,224,198,.06);border:1px solid rgba(123,224,198,.22);border-radius:var(--radius-sm);padding:9px 13px}
.step-note b{color:var(--accent);font-weight:700;flex-shrink:0}
/* 功能对照表 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--panel)}
table.spec{width:100%;border-collapse:collapse;min-width:640px}
table.spec th,table.spec td{text-align:left;padding:16px 20px;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec thead th{background:var(--panel-2);color:var(--text);font-weight:800;font-size:13px;letter-spacing:.08em;border-bottom:1px solid var(--line-strong)}
table.spec tbody tr:nth-child(even){background:rgba(255,255,255,.014)}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec td:first-child{color:var(--text);font-weight:700;white-space:nowrap}
table.spec td:nth-child(2){color:var(--text-2)}
table.spec td:last-child{color:var(--accent);font-size:13.5px;white-space:nowrap}
/* 时间轴 */
.timeline{position:relative;padding-left:26px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--primary),rgba(255,106,61,.06))}
.tl-item{position:relative;padding:0 0 28px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-26px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--panel);border:2px solid var(--primary)}
.tl-time{font-size:12.5px;color:var(--text-3);letter-spacing:.1em;margin-bottom:6px;font-variant-numeric:tabular-nums}
.tl-item h3{font-size:17px;font-weight:800;margin-bottom:6px}
.tl-item p{color:var(--text-2);font-size:14.5px}
/* 提醒列表 */
.tips-list{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--panel)}
.tip-row{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 26px;border-bottom:1px solid var(--line)}
.tip-row:last-child{border-bottom:0}
.tip-num{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--primary);color:#180C06;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;font-variant-numeric:tabular-nums}
.tip-row h3{font-size:17px;font-weight:800;margin-bottom:6px}
.tip-row p{color:var(--text-2);font-size:14.5px}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color var(--dur) ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(255,106,61,.42)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 24px;font-size:16px;font-weight:700;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--primary);font-size:22px;font-weight:700;line-height:1;transition:transform var(--dur) ease;flex-shrink:0}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85;border-left:2px solid var(--primary);margin-left:24px;padding-left:16px}
/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.post-thumb{aspect-ratio:4/3;background:var(--panel-2);border-bottom:1px solid var(--line);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;font-weight:800;line-height:1.5}
.post-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--text-3)}
.post-meta .badge{font-size:11.5px;padding:3px 10px}
.empty-box{grid-column:1/-1;border:1px dashed var(--line-strong);border-radius:var(--radius-card);padding:48px 24px;text-align:center;color:var(--text-3);font-size:14.5px;background:var(--panel)}
/* 查看更多 */
.more-row{display:flex;justify-content:center;margin-top:36px}
/* 页脚 */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;margin-top:16px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.85}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
@media (max-width:1200px){
  .container{padding:0 20px}
  .page-head-inner{gap:36px}
}
@media (max-width:960px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .site-header{height:60px}
  .page-head{padding-top:104px}
  .page-head-inner{grid-template-columns:1fr;gap:28px;padding-bottom:40px}
  .section{padding:64px 0}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:720px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .page-head h1{font-size:clamp(25px,6.4vw,32px)}
  .step-card{grid-template-columns:1fr;gap:16px;padding:22px 20px}
  .step-num{width:44px;height:44px;font-size:18px}
  .tip-row{grid-template-columns:1fr;gap:12px;padding:20px}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-body{margin-left:18px;padding:0 18px 18px 12px}
  .sec-head{margin-bottom:26px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .btn{width:100%}
  .nav-cta{display:none}
  .filter-bar a{font-size:13px;padding:7px 13px}
  table.spec th,table.spec td{padding:13px 14px;font-size:13.5px}
}

/* roulang page: category3 */
:root{
  --bg:#0E0B14;--bg-soft:#15101D;--panel:#1A1424;--panel-2:#201829;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#FF6A3D;--primary-deep:#E4502A;--accent:#7BE0C6;
  --text:#F5F2FA;--text-2:#B6AEC6;--text-3:#877E99;
  --success:#69D9A5;--warn:#FFC861;
  --radius-card:16px;--radius-sm:10px;--radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --container:1180px;--dur:180ms;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",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(--text);font-family:var(--font);font-size:16px;line-height:1.8;letter-spacing:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* 容器与板块 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
main{padding-top:72px}
.section{padding:88px 0;border-top:1px solid var(--line);position:relative}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.35}
.sec-desc{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* 按钮与链接 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:700;border:1px solid transparent;transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#180C06}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px) scale(1.02)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;transition:gap var(--dur) ease,color var(--dur) ease}
.link-arrow:hover{gap:11px;color:var(--primary-deep)}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.6;border:1px solid var(--line-strong);color:var(--text-2);background:transparent}
.badge-accent{border-color:rgba(123,224,198,.45);color:var(--accent)}
.badge-primary{border-color:rgba(255,106,61,.5);color:var(--primary)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02)}

/* 头部导航 */
.site-header{position:fixed;top:0;left:0;right:0;height:72px;z-index:100;background:rgba(14,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-main em{font-style:normal;color:var(--accent);font-size:16px;font-weight:800}
.logo-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.22em;margin-top:3px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);font-weight:600;border-radius:var(--radius-sm);transition:color var(--dur) ease,background var(--dur) ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{transform:scaleX(1);left:14px;right:34%}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) ease,opacity var(--dur) ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{position:fixed;top:60px;left:0;right:0;bottom:0;z-index:95;background:var(--bg);padding:12px 20px 48px;overflow-y:auto;opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity var(--dur) ease,transform var(--dur) ease}
.nav-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-link span{color:var(--text-3);font-size:16px}
.drawer-link.is-active{color:var(--primary)}
.drawer-cta{margin-top:24px;width:100%}

/* 分类页头 */
.cat-head{position:relative;padding:64px 0 56px;background:var(--bg-soft);border-bottom:1px solid var(--line);overflow:hidden}
.cat-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}
.cat-head::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.16),transparent 68%);pointer-events:none}
.cat-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2);transition:color var(--dur) ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.cat-head-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:center}
.cat-head h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.26;letter-spacing:-.01em;margin-bottom:18px}
.cat-head p.lead{color:var(--text-2);font-size:16px;max-width:640px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-link{display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02);transition:color var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease}
.tag-link:hover{color:var(--primary);border-color:rgba(255,106,61,.55);background:rgba(255,106,61,.08)}
.cat-side{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow)}
.cat-side h3{font-size:15px;font-weight:800;margin-bottom:14px;color:var(--text)}
.cat-side ul{display:grid;gap:12px}
.cat-side li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2);padding-bottom:12px;border-bottom:1px dashed var(--line)}
.cat-side li:last-child{border-bottom:0;padding-bottom:0}
.cat-side li strong{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:800}

/* 专题横幅 */
.feature-banner{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:21/9;display:flex;align-items:flex-end;box-shadow:var(--shadow)}
.feature-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,11,20,.18) 0%,rgba(14,11,20,.72) 62%,rgba(14,11,20,.94) 100%)}
.feature-banner__inner{position:relative;z-index:2;padding:34px;max-width:720px}
.feature-banner__inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.32;margin:12px 0 10px}
.feature-banner__inner p{color:var(--text-2);font-size:15px}

/* 场景拼贴 */
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.mosaic-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.mosaic-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.mosaic-card__media{position:relative;overflow:hidden}
.mosaic-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.mosaic-card:hover .mosaic-card__media img{transform:scale(1.04)}
.mosaic-card__media::after{content:"";position:absolute;inset:0;border-bottom:1px solid rgba(255,255,255,.06)}
.mosaic-card:nth-child(1) .mosaic-card__media{aspect-ratio:4/3}
.mosaic-card:nth-child(2) .mosaic-card__media{aspect-ratio:1/1}
.mosaic-card:nth-child(3) .mosaic-card__media{aspect-ratio:16/10}
.mosaic-card:nth-child(4) .mosaic-card__media{aspect-ratio:1/1}
.mosaic-card:nth-child(5) .mosaic-card__media{aspect-ratio:16/10}
.mosaic-card:nth-child(6) .mosaic-card__media{aspect-ratio:4/3}
.mosaic-card__body{padding:20px}
.mosaic-card__body h3{font-size:18px;font-weight:800;margin-bottom:8px;line-height:1.45}
.mosaic-card__body p{color:var(--text-2);font-size:14.5px}
.mosaic-card__meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}

/* 标签云 */
.pill-cloud{display:flex;flex-wrap:wrap;gap:12px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--text-2);border:1px solid var(--line-strong);background:rgba(255,255,255,.02);transition:color var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease,transform var(--dur) ease}
.pill:hover{color:var(--primary);border-color:var(--primary);background:rgba(255,106,61,.08);transform:translateY(-1px)}
.pill em{font-style:normal;color:var(--text-3);font-size:12px;font-variant-numeric:tabular-nums}
.pill-cloud--city .pill:hover{color:var(--accent);border-color:var(--accent);background:rgba(123,224,198,.08)}
.cloud-block + .cloud-block{margin-top:32px}
.cloud-label{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px}

/* 精选专题列表 */
.pick-list{display:grid;gap:16px}
.pick-item{display:grid;grid-template-columns:220px 1fr auto;gap:22px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:16px;transition:border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease}
.pick-item:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow)}
.pick-item__media{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/10;background:var(--panel-2);border:1px solid rgba(255,255,255,.06)}
.pick-item__media img{width:100%;height:100%;object-fit:cover}
.pick-item__body h3{font-size:18px;font-weight:800;line-height:1.45;margin-bottom:8px;transition:color var(--dur) ease}
.pick-item:hover .pick-item__body h3{color:var(--primary)}
.pick-item__body p{color:var(--text-2);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-item__meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px;font-size:12.5px;color:var(--text-3)}
.pick-item__arrow{color:var(--text-3);font-size:20px;transition:color var(--dur) ease,transform var(--dur) ease}
.pick-item:hover .pick-item__arrow{color:var(--primary);transform:translateX(3px)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:48px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius-card);background:var(--panel);color:var(--text-2);font-size:15px;text-align:center}
.empty-state .empty-icon{width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:18px}
.list-more{display:flex;justify-content:center;margin-top:32px}

/* 数据小卡 */
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.metric{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;position:relative;overflow:hidden}
.metric::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(180deg,var(--primary),rgba(255,106,61,0))}
.metric .num{font-size:clamp(28px,3.4vw,40px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;color:var(--text)}
.metric .num small{font-size:15px;font-weight:700;color:var(--accent);margin-left:6px;letter-spacing:0}
.metric h3{font-size:15px;font-weight:800;margin:12px 0 6px}
.metric p{color:var(--text-2);font-size:14px}
.metric-bar{height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.07);margin-top:16px;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--primary),var(--accent))}

/* 双栏对照 */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.compare-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:18px}
.compare-card h3 .dot{width:10px;height:10px;border-radius:3px;background:var(--accent);flex-shrink:0}
.compare-card.warn h3 .dot{background:var(--primary)}
.compare-card li{position:relative;padding-left:22px;margin-bottom:14px;color:var(--text-2);font-size:14.5px}
.compare-card li:last-child{margin-bottom:0}
.compare-card li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;border:1px solid var(--line-strong);background:rgba(255,255,255,.06)}
.compare-card.warn li::before{border-color:rgba(255,106,61,.6);background:rgba(255,106,61,.18)}

/* 误区卡 */
.myth-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.myth{background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid rgba(255,106,61,.6);border-radius:var(--radius-sm);padding:24px;transition:border-color var(--dur) ease,transform var(--dur) ease}
.myth:hover{transform:translateY(-2px);border-color:var(--line-strong);border-left-color:var(--primary)}
.myth .idx{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--primary);font-variant-numeric:tabular-nums}
.myth h3{font-size:17px;font-weight:800;margin:10px 0 8px;line-height:1.5}
.myth p{color:var(--text-2);font-size:14px}

/* 收口转化区 */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);background:var(--bg-soft)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}
.cta-band::after{content:"";position:absolute;left:8%;bottom:-160px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.22),transparent 66%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.36;max-width:640px}
.cta-inner p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px;position:relative}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:40px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.06em;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:var(--text-2);line-height:1.7}
.footer-col li a{color:var(--text-2);transition:color var(--dur) ease}
.footer-col li a:hover{color:var(--primary)}
.footer-col p{color:var(--text-2);font-size:13.5px;line-height:1.8}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--text-3);font-size:12.5px}

/* 响应式 */
@media (max-width:1200px){
  .container{padding:0 20px}
  .cat-head-grid{gap:28px}
}
@media (max-width:960px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .cat-head{padding:52px 0 46px}
  .cat-head-grid{grid-template-columns:1fr}
  .mosaic{grid-template-columns:repeat(2,1fr)}
  .metric-row{grid-template-columns:1fr 1fr}
  .myth-grid{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
  .pick-item{grid-template-columns:180px 1fr auto;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .feature-banner{aspect-ratio:16/9}
}
@media (max-width:720px){
  main{padding-top:60px}
  .site-header{height:60px}
  .header-inner{gap:12px}
  .section{padding:48px 0}
  .section--tight{padding:44px 0}
  .cat-head h1{font-size:clamp(26px,6vw,34px)}
  .feature-banner{aspect-ratio:16/11}
  .feature-banner__inner{padding:22px}
  .mosaic{grid-template-columns:1fr}
  .mosaic-card:nth-child(n) .mosaic-card__media{aspect-ratio:16/10}
  .metric-row{grid-template-columns:1fr}
  .myth-grid{grid-template-columns:1fr}
  .pick-item{grid-template-columns:1fr;gap:14px}
  .pick-item__media{aspect-ratio:16/9}
  .pick-item__arrow{display:none}
  .cta-inner{padding:44px 0;flex-direction:column;align-items:flex-start;gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .btn{width:100%}
  .nav-cta{display:none}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .tag-row{gap:8px}
  .pill-cloud{gap:10px}
  .metric{padding:20px}
  .cat-side ul{gap:10px}
}