/* roulang page: index */
:root{
  --ink:#14161A;
  --ink-2:#1E2228;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --brand:#FF6B2C;
  --brand-deep:#D9531B;
  --accent:#B7E04A;
  --accent-deep:#0E7C6B;
  --line:#E4DFD6;
  --muted:#6B6F76;
  --radius-s:10px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06);
  --shadow-2:0 10px 28px -14px rgba(20,22,26,.22);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent-deep);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:-.2px;color:inherit}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(20,22,26,.02)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:36px;height:36px;border-radius:11px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;letter-spacing:0}
.logo__text{font-weight:800;font-size:16.5px;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.logo__text em{font-style:normal;color:var(--muted);font-weight:600;font-size:14px}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{position:relative;display:inline-block;padding:22px 0;font-size:15px;font-weight:600;color:#33373D;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:15px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-links a:hover{color:var(--brand-deep)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-deep)}
.nav-mobile-cta{display:none}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-s);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .18s,color .18s,background .18s}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand);background:#FFF6F1}
.icon-btn:hover svg{stroke:var(--brand-deep)}
.nav-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:var(--radius-s);background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background .18s}
.nav-toggle:hover span{background:var(--brand)}
.search-bar{max-height:0;overflow:hidden;background:#FBFAF7;border-top:1px solid transparent;transition:max-height .22s ease,border-color .22s ease}
.search-bar.is-open{max-height:110px;border-top-color:var(--line)}
.search-bar__inner{display:flex;gap:10px;padding:14px 24px;align-items:center}
.search-bar__inner input{flex:1 1 auto;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 14px;font-size:15px;background:#fff;color:var(--ink)}
.search-bar__inner input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,107,44,.16)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-s);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(255,107,44,.95)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-on-dark:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px}

/* ============ 徽章与标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.7;white-space:nowrap}
.badge--accent{background:#EAF6C9;color:#33420A}
.badge--brand{background:transparent;border:1px solid var(--brand);color:var(--brand-deep)}
.badge--dark{background:var(--ink-2);color:var(--accent);border:1px solid #2E3540}
.badge--plain{background:#F1EEE7;color:#5E6369}
.badge--soft{background:#E8F4F1;color:var(--accent-deep)}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section--white{background:var(--paper-2)}
.section--paper{background:var(--paper)}
.section--ink{background:var(--ink);color:#EDEAE3}
.section--lime{background:#F3F8E4}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.4vw,32px);letter-spacing:-.4px}
.section-head p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.section--ink .section-head h2{color:#fff}
.section--ink .section-head p{color:#A8ADB5}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px}

/* ============ 网格 ============ */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============ 首屏 ============ */
.hero{position:relative;background:#14161A;color:#fff;padding:96px 0 84px;overflow:hidden}
.hero__bg{position:absolute;inset:0;background:url('/assets/images/1d7379bf112f2fde.webp') center/cover no-repeat;opacity:.4}
.hero__veil{position:absolute;inset:0;background:rgba(20,22,26,.6)}
.hero__inner{position:relative;z-index:2;max-width:860px}
.hero .eyebrow{color:var(--accent)}
.hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.24;letter-spacing:-1px;color:#fff}
.hero__lead{margin-top:18px;font-size:16.5px;line-height:1.9;color:#D7D4CC;max-width:720px}
.hero__sub{margin-top:14px;font-size:15px;color:#A8ADB5;max-width:700px}
.check-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px}
.check-row li{position:relative;padding:14px 16px 14px 42px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-m);font-size:14px;line-height:1.7;color:#E6E2DA}
.check-row li::before{content:"";position:absolute;left:16px;top:19px;width:14px;height:8px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero__note{margin-top:16px;font-size:13px;color:#9AA0A8}

/* ============ 下载区 ============ */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.dl-card__icon{width:44px;height:44px;border-radius:12px;background:#FFF1E9;color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:16px}
.dl-card h3{font-size:19px}
.dl-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);flex:1 1 auto}
.dl-card .btn{margin-top:18px}
.dl-tip{margin-top:22px;font-size:13.5px;color:var(--muted)}

/* ============ 数据看板 ============ */
.board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.board-card{background:#191C21;border:1px solid #2B3138;border-radius:var(--radius-m);padding:22px 20px;transition:border-color .18s ease,transform .18s ease}
.board-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.board-card__label{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.3px}
.board-card p{margin-top:10px;font-size:14px;line-height:1.75;color:#A8ADB5}
.board-card .badge{margin-bottom:12px}

/* ============ 分类矩阵 ============ */
.cat-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;color:inherit}
a.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand);color:inherit}
.cat-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.cat-card__icon{width:38px;height:38px;border-radius:10px;background:#F1EEE7;color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.cat-card h3{font-size:17px}
.cat-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}
.cat-card--lead{background:#FFF8F3;border-color:#F6D9C8}

/* ============ 倒计时 ============ */
.countdown-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.countdown{display:flex;gap:14px;flex-wrap:wrap}
.cd-cell{min-width:92px;flex:1 1 0;background:var(--ink);border:1px solid #2B3138;border-radius:var(--radius-m);padding:16px 10px;text-align:center}
.cd-num{font-size:32px;font-weight:800;color:var(--accent);line-height:1.2}
.cd-unit{margin-top:4px;font-size:12.5px;color:#9AA0A8;letter-spacing:.08em}
.cd-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

/* ============ 亮点墙 ============ */
.hl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.hl-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.hl-card h3{font-size:17px;margin-top:12px}
.hl-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ============ 合集专题 ============ */
.bundle{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.bundle:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.bundle__media{position:relative;padding-top:48%;background:#EDE9E1}
.bundle__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bundle__body{padding:20px 22px 24px}
.bundle__body h3{font-size:17.5px}
.bundle__body p{margin-top:8px;font-size:14px;line-height:1.78;color:var(--muted)}
.bundle__meta{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:22px;position:relative;box-shadow:var(--shadow-1)}
.step__num{width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:14px}
.step h3{font-size:16.5px}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ============ 上新预览 ============ */
.preview-list{display:grid;gap:12px}
.preview-row{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:16px 20px;box-shadow:var(--shadow-1);transition:border-color .18s ease,transform .18s ease}
.preview-row:hover{border-color:var(--brand);transform:translateX(2px)}
.preview-row__name{font-size:15.5px;font-weight:700}
.preview-row__desc{font-size:13.5px;color:var(--muted);margin-top:2px}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 60px 1fr;gap:18px;align-items:stretch}
.cmp-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow-1)}
.cmp-col--good{border-color:#D8E6B4;background:#FCFEF4}
.cmp-col h3{font-size:17.5px;display:flex;align-items:center;gap:10px}
.cmp-rows{margin-top:16px;display:grid;gap:12px}
.cmp-row{display:flex;gap:12px;font-size:14.5px;line-height:1.75;color:#4A4E55}
.cmp-row span.mark{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;background:#F1EEE7;color:#6B6F76;margin-top:3px}
.cmp-col--good .cmp-row span.mark{background:#EAF6C9;color:#3A4A0C}
.cmp-arrow{display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:24px;font-weight:800}

/* ============ 时间轴 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;position:relative}
.tl-node{position:relative;padding-top:30px}
.tl-node::before{content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--line)}
.tl-node:last-child::before{right:50%}
.tl-dot{position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #FFE6D8}
.tl-node h3{font-size:16.5px;margin-top:6px}
.tl-node span.tl-tag{font-size:12.5px;font-weight:700;color:var(--brand-deep);letter-spacing:.04em}
.tl-node p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.news-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.news-card__link{display:block;color:inherit;height:100%}
.news-card__link:hover{color:inherit}
.thumb{position:relative;padding-top:62.5%;background:#E9E5DC;overflow:hidden}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.news-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;height:calc(100% - 0px)}
.news-card__title{margin-top:10px;font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__desc{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted)}
.news-card__meta .more{color:var(--accent-deep);font-weight:700;white-space:nowrap}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--radius-m);padding:44px 24px;text-align:center}
.empty-state__icon{display:block;font-size:26px;color:var(--brand);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px}

/* ============ 保障 ============ */
.guard-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
.guard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.guard-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-1);transition:border-color .18s ease,transform .18s ease}
.guard-item:hover{border-color:var(--brand);transform:translateY(-2px)}
.guard-item h3{font-size:16.5px;margin-top:10px}
.guard-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ============ 快速解答 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.quick-card{background:#fff;border:1px solid #DDE8C2;border-radius:var(--radius-m);padding:20px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.quick-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.quick-card h3{font-size:15.5px;color:#2F3B0C}
.quick-card p{margin-top:8px;font-size:14px;line-height:1.75;color:#4F5442}

/* ============ FAQ ============ */
.faq{max-width:900px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:2px 22px;margin-bottom:12px;transition:border-color .18s ease,box-shadow .18s ease}
.faq details[open]{border-color:var(--brand);box-shadow:var(--shadow-1)}
.faq summary{list-style:none;cursor:pointer;padding:16px 0;font-size:16.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:0 0 auto;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .18s ease,border-color .18s ease;margin-right:4px}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq .faq-body{padding:0 0 18px;font-size:15px;line-height:1.85;color:#43474D}

/* ============ 纠错核对 ============ */
.check-panel{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:16px 18px;box-shadow:var(--shadow-1)}
.check-list .mark{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:#EAF6C9;color:#3A4A0C;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;margin-top:2px}
.check-list h3{font-size:15.5px}
.check-list p{margin-top:4px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ============ 表单 ============ */
.form-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:start}
.form-side h2{font-size:clamp(23px,2.4vw,32px);color:#fff}
.form-side ul{margin-top:20px;display:grid;gap:12px}
.form-side li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:#C9CCD2}
.form-side li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.form-note{margin-top:20px;font-size:13px;color:#8E949C;line-height:1.8}
.form-card{background:#fff;border-radius:var(--radius-m);padding:28px;box-shadow:var(--shadow-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:#33373D;margin-bottom:6px}
.field .req{color:var(--brand);margin-left:2px}
.field input,.field select,.field textarea{width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 13px;font-size:15px;color:var(--ink);background:#fff;font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:112px;padding:11px 13px;line-height:1.75;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,107,44,.16)}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--muted)}
.form-msg{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--accent-deep);display:none}
.form-msg.show{display:block}

/* ============ 标签云 ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);font-size:14px;color:#3C4048;font-weight:600;transition:border-color .18s ease,color .18s ease,transform .18s ease,background .18s ease}
.tag-cloud a:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);background:#FFF8F3}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9BEC6;border-top:3px solid var(--accent);padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px}
.footer-brand .logo__text{color:#fff}
.footer-brand .logo__text em{color:#8E949C}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#9AA0A8;max-width:340px}
.footer-brand .btn{margin-top:20px}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:#A8ADB5}
.footer-col a:hover{color:var(--accent)}
.footer-tags{border-top:1px solid #2B3138;padding:26px 0}
.footer-tags .tag-cloud a{background:#1C2026;border-color:#2E3540;color:#B9BEC6}
.footer-tags .tag-cloud a:hover{border-color:var(--accent);color:var(--accent);background:#20252C}
.footer-bottom{border-top:1px solid #2B3138;padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7E848C}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14.5px}
  .nav-cta{display:none}
}
@media (max-width:1024px){
  .grid-3,.grid-4,.news-grid,.quick-grid,.board,.steps,.timeline,.check-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .cmp-arrow{transform:rotate(90deg);height:34px}
  .countdown-wrap,.guard-wrap,.check-panel,.form-wrap{grid-template-columns:1fr;gap:26px}
  .footer-top{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-links{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 20px;display:none;margin-left:0}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 0;border-bottom:1px solid #F1EEE7;font-size:15px}
  .nav-links a::after{display:none}
  .nav-mobile-cta{display:inline-flex;justify-content:center;align-items:center;margin-top:14px;height:46px;border-radius:var(--radius-s);background:var(--brand);color:#fff !important;font-weight:700;border-bottom:0 !important}
  .nav-mobile-cta:hover{background:var(--brand-deep);color:#fff}
  .nav-actions{margin-left:0}
  .tl-node:last-child::before{right:0}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding:70px 0 62px}
  .hero__lead{font-size:15.5px}
  .logo__text em{display:none}
  .brand .logo__text{font-size:15.5px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .grid-2,.grid-3,.grid-4,.news-grid,.quick-grid,.board,.steps,.timeline,.check-row,.guard-grid,.footer-top{grid-template-columns:1fr}
  .section{padding:56px 0}
  .hero{padding:56px 0 52px}
  .hero h1{font-size:clamp(26px,7.4vw,32px);letter-spacing:-.6px}
  .hero__actions .btn{width:100%}
  .cd-cell{min-width:0}
  .cd-num{font-size:26px}
  .preview-row{flex-direction:column;align-items:flex-start;gap:8px}
  .news-card__body{padding:16px 16px 18px}
  .footer-bottom{flex-direction:column}
  .form-card{padding:20px}
  .icon-btn{width:38px;height:38px}
}

/* roulang page: article */
:root{
  --ink:#14161A;
  --ink-2:#1E2228;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --brand:#FF6B2C;
  --brand-deep:#D9531B;
  --accent:#B7E04A;
  --accent-deep:#0E7C6B;
  --line:#E4DFD6;
  --muted:#6B6F76;
  --radius-s:10px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06);
  --shadow-2:0 10px 28px -14px rgba(20,22,26,.22);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--accent-deep);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.2px;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-s);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(255,107,44,.95)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.btn-block{width:100%}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.7;white-space:nowrap}
.badge--accent{background:#EAF6C9;color:#33420A}
.badge--brand{background:transparent;border:1px solid var(--brand);color:var(--brand-deep)}
.badge--plain{background:#F1EEE7;color:#5E6369}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(20,22,26,.02)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:16px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:36px;height:36px;border-radius:11px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;letter-spacing:0}
.logo__text{font-weight:800;font-size:16.5px;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.logo__text em{font-style:normal;color:var(--muted);font-weight:600;font-size:14px}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{position:relative;display:inline-block;padding:22px 0;font-size:15px;font-weight:600;color:#33373D;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:15px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-links a:hover{color:var(--brand-deep)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-deep)}
.nav-mobile-cta{display:none}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-s);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .18s,color .18s,background .18s}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand);background:#FFF6F1}
.icon-btn:hover svg{stroke:var(--brand-deep)}
.nav-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:var(--radius-s);background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background .18s}
.nav-toggle:hover span{background:var(--brand)}
.search-bar{max-height:0;overflow:hidden;background:#FBFAF7;border-top:1px solid transparent;transition:max-height .22s ease,border-color .22s ease}
.search-bar.is-open{max-height:110px;border-top-color:var(--line)}
.search-bar__inner{display:flex;gap:10px;padding:14px 24px;align-items:center}
.search-bar__inner input{flex:1 1 auto;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 14px;font-size:15px;background:#fff;color:var(--ink)}
.search-bar__inner input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,107,44,.16)}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:42px 0 50px;
  border-bottom:1px solid var(--line);
  background-color:#FBFAF7;
  background-image:url('/assets/images/03774c9d17a3b4e8.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::before{content:"";position:absolute;inset:0;background:rgba(251,250,247,.945)}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-deep)}
.crumb-sep{color:#C4C8CE;font-size:12px}
.breadcrumb [aria-current]{color:#8A8F97}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:800;
  line-height:1.38;
  letter-spacing:-.5px;
  max-width:900px;
  overflow-wrap:anywhere;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:20px;font-size:14px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.meta-item svg,.share-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.share-btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 13px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;color:#4A4F57;font-size:13px;font-weight:600;cursor:pointer;transition:border-color .18s,color .18s,background .18s,transform .18s}
.share-btn:hover{border-color:var(--brand);color:var(--brand-deep);background:#FFF6F1}
.share-btn:active{transform:translateY(1px)}

/* ============ 正文布局 ============ */
.article-main{padding:52px 0 76px;background:var(--paper)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 328px;gap:36px;align-items:start}
.article-shell{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);padding:40px 46px}
.article-body{max-width:780px;font-size:16.5px;line-height:1.95;color:#2A2E34;overflow-wrap:anywhere}
.article-body > * + *{margin-top:1.05em}
.article-body p{margin:0}
.article-body h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;margin-top:1.9em;margin-bottom:.7em;padding-left:14px;border-left:4px solid var(--brand);line-height:1.45}
.article-body h3{font-size:19px;font-weight:700;margin-top:1.6em;margin-bottom:.6em;line-height:1.5}
.article-body h4{font-size:17px;font-weight:700;margin-top:1.4em;margin-bottom:.5em}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:1em 0;padding-left:1.45em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.42em 0;line-height:1.9}
.article-body blockquote{margin:1.6em 0;padding:14px 20px;border-left:4px solid var(--brand);background:#FFF6F1;border-radius:0 var(--radius-s) var(--radius-s) 0;color:#4A4F57;font-size:15.5px}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-s);margin:1.4em auto;max-width:100%;height:auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.4em 0;border:1px solid var(--line);border-radius:var(--radius-s);overflow:hidden}
.article-body th{background:#F3F1EB;text-align:left;font-weight:700;padding:11px 14px;border-bottom:1px solid var(--line);color:var(--ink)}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tr:nth-child(even) td{background:#FBFAF7}
.article-body pre{background:var(--ink);color:#E9E7E1;padding:16px 18px;border-radius:var(--radius-s);overflow-x:auto;font-size:14px;line-height:1.7;margin:1.4em 0}
.article-body code{background:#F1EEE7;padding:2px 6px;border-radius:5px;font-size:.92em;color:#B0431A}
.article-body pre code{background:transparent;color:inherit;padding:0;font-size:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ============ 空态 ============ */
.empty-state{text-align:center;padding:44px 10px 34px}
.empty-state__icon{width:60px;height:60px;border-radius:16px;background:#F3F1EB;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.empty-state__icon svg{width:26px;height:26px;stroke:#8A8F97;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);max-width:420px;margin:0 auto 22px;line-height:1.85}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1)}
.side-card__title{font-size:15.5px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card__title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--brand);display:inline-block}
.info-list{display:grid;gap:0;margin:0}
.info-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.info-row:last-child{border-bottom:none;padding-bottom:0}
.info-row dt{color:var(--muted);flex:0 0 auto}
.info-row dd{margin:0;font-weight:600;color:var(--ink);text-align:right;overflow-wrap:anywhere}
.side-links{display:grid;gap:2px}
.side-links a{display:flex;align-items:center;gap:9px;padding:9px 0;font-size:14px;color:#3A3F46;border-bottom:1px solid #F1EEE7;transition:color .18s,padding-left .18s}
.side-links li:last-child a{border-bottom:none}
.side-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent-deep);flex:0 0 auto;transition:background .18s}
.side-links a:hover{color:var(--brand-deep);padding-left:4px}
.side-links a:hover::before{background:var(--brand)}
.download-card{background:var(--ink);border-color:#2A3038;color:#D7DBE1}
.download-card .side-card__title{color:#fff}
.download-card .side-card__title::before{background:var(--accent)}
.download-note{font-size:13.5px;line-height:1.75;color:#9AA1AA;margin-bottom:14px}
.download-list{display:grid;gap:10px}
.download-link{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:var(--radius-s);background:rgba(255,255,255,.07);border:1px solid #303740;color:#E9E7E1;font-size:14px;font-weight:600;transition:background .18s ease,border-color .18s ease,transform .18s ease,color .18s ease}
.download-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.download-link:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px)}
.download-link:active{transform:translateY(0)}

/* ============ 反馈条 ============ */
.feedback-strip{background:var(--ink);color:#E9E7E1;padding:46px 0}
.feedback-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.feedback-copy{max-width:520px}
.feedback-copy h2{font-size:clamp(20px,2.1vw,25px);color:#fff;margin-bottom:10px}
.feedback-copy p{font-size:14.5px;line-height:1.8;color:#A8ADB5}
.feedback-form{display:flex;gap:10px;flex:0 1 520px;min-width:0}
.feedback-form input{flex:1 1 auto;min-width:0;height:46px;border:1px solid #343B44;border-radius:var(--radius-s);padding:0 14px;font-size:14.5px;background:#20252C;color:#fff}
.feedback-form input::placeholder{color:#7B828C}
.feedback-form input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,107,44,.2)}
.feedback-tip{width:100%;margin-top:12px;font-size:13.5px;color:var(--accent)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9CDD4;padding:60px 0 0;border-top:3px solid var(--accent)}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9BA1AA;margin:16px 0 20px;max-width:340px}
.site-footer .logo__text{color:#fff}
.site-footer .logo__text em{color:#8E949D}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{font-size:14px;color:#A9AFB8;transition:color .18s}
.footer-col ul a:hover{color:var(--accent)}
.footer-tags{border-top:1px solid #2A2F37;padding:22px 0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:13px;padding:4px 12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.06);color:#B9BFC8;border:1px solid #2A2F37;transition:background .18s,color .18s,border-color .18s}
.tag-cloud a:hover{background:var(--accent);color:#14161A;border-color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0 26px;border-top:1px solid #2A2F37;font-size:13px;color:#868C95}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
  .article-shell{padding:34px 34px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);
    padding:8px 24px 18px;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 0;font-size:15px;border-bottom:1px solid #F1EEE7}
  .nav-links a::after{display:none}
  .nav-mobile-cta{display:flex!important;justify-content:center;margin-top:14px;background:var(--brand);color:#fff!important;border-radius:var(--radius-s);padding:13px 0!important;border-bottom:none!important;font-weight:700}
  .nav-mobile-cta:hover{background:var(--brand-deep)}
  .nav-cta{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .article-shell{padding:30px 26px}
  .feedback-strip__inner{flex-direction:column;align-items:flex-start;gap:22px}
  .feedback-form{flex:1 1 auto;width:100%}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .nav-wrap{height:64px;gap:10px}
  .logo__text{font-size:15px}
  .logo__text em{font-size:12.5px}
  .logo__mark{width:32px;height:32px;border-radius:10px;font-size:15px}
  .article-hero{padding:30px 0 36px}
  .article-title{font-size:clamp(22px,6.2vw,28px);line-height:1.42}
  .article-meta{font-size:13.5px;gap:8px 12px}
  .article-main{padding:32px 0 52px}
  .article-shell{padding:22px 18px;border-radius:12px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:20px;padding-left:11px;border-left-width:3px}
  .article-body h3{font-size:17.5px}
  .article-body blockquote{padding:12px 14px;font-size:15px}
  .article-body table{font-size:13.5px}
  .article-body th,.article-body td{padding:9px 10px}
  .article-side{grid-template-columns:1fr}
  .feedback-strip{padding:34px 0}
  .feedback-form{flex-direction:column}
  .feedback-form .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
  .footer-brand p{max-width:none}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-bar__inner{padding:12px 18px}
}

/* roulang page: category1 */
:root{
  --ink:#14161A;
  --ink-2:#1E2228;
  --paper:#F6F4EF;
  --paper-2:#FFFFFF;
  --brand:#FF6B2C;
  --brand-deep:#D9531B;
  --accent:#B7E04A;
  --accent-deep:#0E7C6B;
  --line:#E4DFD6;
  --muted:#6B6F76;
  --radius-s:10px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06);
  --shadow-2:0 10px 28px -14px rgba(20,22,26,.22);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent-deep);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.25;letter-spacing:-.6px}
h2{font-size:clamp(23px,2.4vw,32px);font-weight:700;line-height:1.35;letter-spacing:-.4px}
h3{font-size:19px;font-weight:700;line-height:1.5}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(20,22,26,.02)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:36px;height:36px;border-radius:11px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px}
.logo__text{font-weight:800;font-size:16.5px;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.logo__text em{font-style:normal;color:var(--muted);font-weight:600;font-size:14px}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{position:relative;display:inline-block;padding:22px 0;font-size:15px;font-weight:600;color:#33373D;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:15px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-links a:hover{color:var(--brand-deep)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-deep)}
.nav-mobile-cta{display:none}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-s);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .18s,background .18s}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand);background:#FFF6F1}
.icon-btn:hover svg{stroke:var(--brand-deep)}
.nav-toggle{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:var(--radius-s);background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background .18s}
.nav-toggle:hover span{background:var(--brand)}
.search-bar{max-height:0;overflow:hidden;background:#FBFAF7;border-top:1px solid transparent;transition:max-height .22s ease,border-color .22s ease}
.search-bar.is-open{max-height:110px;border-top-color:var(--line)}
.search-bar__inner{display:flex;gap:10px;padding:14px 24px;align-items:center}
.search-bar__inner input{flex:1 1 auto;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 14px;font-size:15px;background:#fff;color:var(--ink)}
.search-bar__inner input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,107,44,.16)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-s);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(255,107,44,.95)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.btn-on-dark{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-on-dark:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px}

/* ============ 徽章与标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;line-height:1.7;white-space:nowrap}
.badge--accent{background:#EAF6C9;color:#33420A}
.badge--brand{background:transparent;border:1px solid var(--brand);color:var(--brand-deep)}
.badge--dark{background:var(--ink-2);color:var(--accent);border:1px solid #2E3540}
.badge--plain{background:#F1EEE7;color:#5E6369}
.badge--soft{background:#E8F4F1;color:var(--accent-deep)}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section--white{background:var(--paper-2)}
.section--paper{background:var(--paper)}
.section--ink{background:var(--ink);color:#EDEAE3}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{letter-spacing:-.4px}
.section-head p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.section--ink .section-head h2{color:#fff}
.section--ink .section-head p{color:#A8ADB5}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px}
.section--ink .eyebrow{color:var(--accent)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ============ 分类首屏（窄幅横幅） ============ */
.cat-hero{position:relative;background:var(--paper);border-bottom:1px solid var(--line);padding:56px 0 48px;overflow:hidden}
.cat-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(20,22,26,.11) 1px,transparent 1px);background-size:18px 18px;opacity:.55;pointer-events:none}
.cat-hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-deep)}
.crumbs span.sep{color:#C4BFB6}
.cat-hero h1{margin-bottom:16px}
.cat-hero h1 .hl{color:var(--brand-deep)}
.cat-hero__lead{max-width:640px;font-size:15.5px;line-height:1.9;color:#4B5057}
.cat-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cat-hero__figure{aspect-ratio:4/3;border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:#EDEAE3}
.cat-hero__figure img{width:100%;height:100%;object-fit:cover}

/* ============ 筛选条 ============ */
.filter-bar{position:sticky;top:72px;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
.filter-bar__inner{display:flex;align-items:center;gap:14px;padding:14px 0;flex-wrap:wrap}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;color:#3A3F46;font-size:14px;font-weight:600;cursor:pointer;transition:border-color .18s,background .18s,color .18s,transform .18s}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.is-active:hover{background:var(--ink-2);color:#fff}
.sort-wrap{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.sort-wrap select{height:38px;border:1px solid var(--line);border-radius:var(--radius-s);background:#fff;color:var(--ink);padding:0 12px;font-size:14px}
.sort-wrap select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,107,44,.16)}
.filter-count{font-size:13.5px;color:var(--muted)}

/* ============ 软件条目卡片 ============ */
.app-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.app-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.app-card__thumb{aspect-ratio:16/10;background:#EDEAE3;overflow:hidden}
.app-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.app-card:hover .app-card__thumb img{transform:scale(1.04)}
.app-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.app-card__body h3{font-size:18px}
.app-card__body p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.app-card__foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:10px}

/* ============ 精选条目 ============ */
.pick-card{position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.pick-card__thumb{aspect-ratio:16/10;background:#EDEAE3;overflow:hidden}
.pick-card__thumb img{width:100%;height:100%;object-fit:cover}
.pick-card__flag{position:absolute;top:14px;left:14px;background:var(--accent);color:#2C3808;font-size:12px;font-weight:800;padding:4px 12px;border-radius:var(--radius-pill)}
.pick-card__body{padding:22px 24px 24px}
.pick-card__body h3{font-size:20px;margin-bottom:10px}
.pick-card__body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.pick-card__meta{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-deep);border-bottom:1px solid rgba(217,83,27,.32);padding-bottom:2px}
.card-link:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ============ 使用指南步骤 ============ */
.steps{display:grid;gap:16px;counter-reset:step}
.step{display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-m);padding:22px 24px;box-shadow:var(--shadow-1);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.step:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.step__num{width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .18s ease}
.faq-item[open]{border-color:var(--brand)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-deep)}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;transition:transform .18s ease}
.faq-item[open] summary::after{content:"–"}
.faq-item__body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:#4B5057;border-top:1px solid var(--line);padding-top:16px}

/* ============ 最新收录（动态列表） ============ */
.news-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);padding:22px 24px;display:flex;flex-direction:column;gap:12px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.news-card h3{font-size:17px;line-height:1.55}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--brand-deep)}
.news-card p{font-size:14px;line-height:1.8;color:var(--muted)}
.news-card__foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.news-card__foot a{font-weight:700}
.empty-state{background:var(--paper-2);border:1px dashed var(--line);border-radius:var(--radius-m);padding:46px 24px;text-align:center;color:var(--muted)}
.empty-state__icon{width:46px;height:46px;border-radius:50%;background:#F1EEE7;color:#A9A399;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:20px;font-weight:800}

/* ============ 下载区 ============ */
.download-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:44px;align-items:center}
.download-copy h2{color:#fff;margin-bottom:14px}
.download-copy p{color:#A8ADB5;font-size:15px;line-height:1.9;max-width:420px}
.download-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.dl-card{display:flex;flex-direction:column;gap:8px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-m);padding:22px 20px;color:#fff;transition:background .18s ease,border-color .18s ease,transform .18s ease}
.dl-card:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-3px)}
.dl-card__icon{width:42px;height:42px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.04em}
.dl-card strong{font-size:16px}
.dl-card em{font-style:normal;font-size:13px;color:#A8ADB5}
.dl-card:hover em{color:var(--muted)}

/* ============ 底部提示条 ============ */
.tip-bar{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);padding:26px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.tip-bar p{font-size:15px;color:#3A3F46;max-width:720px}
.tip-bar .tip-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9CCD2;padding:64px 0 0;border-top:3px solid var(--accent)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.site-footer .logo__text{color:#fff}
.site-footer .logo__text em{color:#8F959D}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#A8ADB5;margin:16px 0 22px;max-width:360px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:#A8ADB5}
.footer-col a:hover{color:var(--accent)}
.footer-tags{border-top:1px solid rgba(183,224,74,.28);padding:22px 0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:13px;color:#C9CCD2;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-pill);padding:5px 13px;transition:border-color .18s ease,color .18s ease,background .18s ease}
.tag-cloud a:hover{border-color:var(--accent);color:var(--accent);background:rgba(183,224,74,.06)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8F959D}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:16px}
  .cat-hero__grid{grid-template-columns:minmax(0,1fr) 240px;gap:32px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;margin-left:0;padding:8px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2)}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-links a::after{display:none}
  .nav-mobile-cta{display:flex;justify-content:center;margin-top:14px;background:var(--brand);color:#fff !important;border-radius:var(--radius-s);border-bottom:0 !important;padding:12px 0 !important;font-weight:700}
  .nav-cta{display:none}
  .section{padding:64px 0}
  .cat-hero{padding:44px 0 40px}
  .cat-hero__grid{grid-template-columns:1fr}
  .cat-hero__figure{max-width:420px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-wrap{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .filter-bar{top:72px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .logo__text{font-size:15px}
  .logo__text em{display:none}
  .section{padding:56px 0}
  .grid-3,.grid-2,.download-cards{grid-template-columns:1fr}
  .filter-bar__inner{gap:10px;padding:12px 0}
  .sort-wrap{margin-left:0;width:100%}
  .sort-wrap select{width:100%}
  .chip{height:36px;padding:0 14px;font-size:13.5px}
  .step{grid-template-columns:1fr;gap:12px;padding:20px}
  .tip-bar{padding:22px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .news-card__foot{flex-wrap:wrap}
}