/* roulang page: index */
:root{
  --c-primary:#F2603C;
  --c-primary-dark:#D44A28;
  --c-accent:#17C3A2;
  --c-ink:#171B20;
  --c-body:#4E5763;
  --c-muted:#8A929D;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-band:#F1EDE5;
  --c-line:#E6E0D6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,27,32,.05),0 2px 8px rgba(23,27,32,.06);
  --sh-2:0 8px 24px rgba(23,27,32,.10);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-body);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-band{background:var(--c-band)}
.section-tight{padding:72px 0}
.section-line{border-top:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--c-ink);line-height:1.35;letter-spacing:-.3px}
.section-desc{font-size:14px;color:var(--c-muted);margin-top:8px}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1.5px solid rgba(242,96,60,.35);padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--c-primary-dark)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,244,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:8px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary),#F58A56);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;letter-spacing:.2px}
.logo-sub{font-size:11px;color:var(--c-muted);font-weight:500;letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:18px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-body);
}
.nav-links a:hover{background:var(--c-band);color:var(--c-ink)}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;
  border-radius:2px;background:var(--c-primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-login{font-size:15px;font-weight:600;color:var(--c-body)}
.nav-login:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(242,96,60,.08);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(242,96,60,.10);color:#B93F20;
}
.badge-soft{background:rgba(23,195,162,.13);color:#0E8D76}
.badge-gray{background:rgba(138,146,157,.14);color:#5A6472}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 96px;
  background:url('/assets/images/3d77b3271d800207.webp') center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:rgba(250,248,244,.93)}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border:2px dashed rgba(242,96,60,.14);border-radius:50%;pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-body);box-shadow:var(--sh-1);
}
.hero-eyebrow b{color:var(--c-primary)}
.hero-title{margin-top:20px;font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.22;letter-spacing:-.5px;color:var(--c-ink)}
.hero-title .hl{display:block;color:var(--c-primary)}
.hero-title .sub{display:block;font-size:clamp(20px,2.4vw,30px);font-weight:700;color:var(--c-ink);margin-top:6px}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--c-body);max-width:520px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-meta span{
  font-size:13px;font-weight:600;color:var(--c-body);
  padding:6px 13px;border-radius:var(--r-pill);background:var(--c-band);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{margin-top:16px;font-size:13px;color:var(--c-muted);line-height:1.7}
.hero-visual{position:relative}
.hero-media{
  position:relative;aspect-ratio:4/5;border-radius:var(--r-xl);overflow:hidden;
  background:var(--c-band);box-shadow:var(--sh-2);border:1px solid var(--c-line);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-chip{
  position:absolute;right:-6px;bottom:-6px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:16px 18px;min-width:232px;box-shadow:var(--sh-2);
}
.hero-chip .chip-time{font-size:13px;color:var(--c-muted);font-weight:600}
.hero-chip .chip-title{font-size:16px;font-weight:700;color:var(--c-ink);margin-top:4px}
.hero-chip .chip-row{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}
.hero-chip .chip-bar{height:6px;border-radius:var(--r-pill);background:var(--c-band);overflow:hidden;margin-top:12px}
.hero-chip .chip-bar i{display:block;height:100%;width:72%;border-radius:var(--r-pill);background:var(--c-accent)}

/* 筛选条 */
.filter-bar{
  position:relative;z-index:3;margin-top:44px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-pill);box-shadow:var(--sh-2);
  padding:12px 14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.filter-bar select,.filter-bar input{
  height:44px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 18px;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.filter-bar select{min-width:132px}
.filter-bar input{flex:1;min-width:180px}
.filter-bar select:focus,.filter-bar input:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(242,96,60,.14);
}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-bg);
  font-size:14px;font-weight:600;color:var(--c-body);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(242,96,60,.06)}
.chip.is-on{background:var(--c-ink);border-color:var(--c-ink);color:#fff}

/* 横向滚动轨道 */
.track-wrap{position:relative}
.track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;margin:0 -4px;
  scrollbar-width:thin;
}
.track::-webkit-scrollbar{height:6px}
.track::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:var(--r-pill)}
.track-card{
  flex:0 0 302px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.track-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD4C6}
.track-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.track-time{font-size:13px;font-weight:700;color:var(--c-primary)}
.track-card h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-top:12px;line-height:1.5}
.track-loc{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--c-muted);margin-top:8px}
.track-bar{height:6px;border-radius:var(--r-pill);background:var(--c-band);overflow:hidden;margin-top:14px}
.track-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-accent)}
.track-foot{display:flex;justify-content:space-between;font-size:12px;color:var(--c-muted);margin-top:8px}

/* 路线排行 */
.rank-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
.rank-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.rank-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 24px;border-bottom:1px dashed var(--c-line);
  transition:background .2s ease;
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:var(--c-bg)}
.rank-num{font-size:30px;font-weight:800;color:var(--c-line);line-height:1;min-width:44px;font-variant-numeric:tabular-nums}
.rank-item:hover .rank-num{color:var(--c-primary)}
.rank-main{flex:1;min-width:0}
.rank-main h3{font-size:16px;font-weight:700;color:var(--c-ink)}
.rank-tags{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.rank-save{font-size:13px;color:var(--c-muted);white-space:nowrap}

/* 场景矩阵 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scene{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD4C6}
.scene-lg{grid-column:span 2;background:var(--c-ink);border-color:var(--c-ink)}
.scene-lg h3,.scene-lg p{color:#fff}
.scene-lg p{color:rgba(255,255,255,.68)}
.scene-lg .scene-icon{background:rgba(242,96,60,.22);color:#FF9C7E}
.scene-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;
  background:rgba(242,96,60,.10);color:var(--c-primary);font-weight:800;font-size:17px;margin-bottom:14px;
}
.scene h3{font-size:16px;font-weight:700;color:var(--c-ink)}
.scene p{font-size:13px;color:var(--c-muted);margin-top:6px;line-height:1.7}

/* 城区速览 */
.area-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.area-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  transition:border-color .2s ease,background .2s ease;
}
.area-item:hover{border-color:var(--c-primary);background:#fff}
.area-name{font-size:15px;font-weight:700;color:var(--c-ink)}
.area-count{font-size:13px;font-weight:600;color:var(--c-accent)}

/* 三步 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 24px;position:relative;
}
.step-num{
  display:inline-grid;place-items:center;width:48px;height:48px;border-radius:var(--r-md);
  background:var(--c-primary);color:#fff;font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-top:16px}
.step p{font-size:14px;color:var(--c-body);margin-top:8px;line-height:1.75}

/* 安全保障 */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.safety-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 22px;transition:border-color .2s ease;
}
.safety-card:hover{border-color:var(--c-accent)}
.safety-icon{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(23,195,162,.13);color:#0E8D76;font-weight:800;font-size:15px;
}
.safety-card h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-top:16px}
.safety-card p{font-size:13px;color:var(--c-muted);margin-top:8px;line-height:1.75}

/* 卡片流 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-band)}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-media img{transform:scale(1.03)}
.post-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:#B93F20}
.post-count{
  position:absolute;right:12px;bottom:12px;font-size:12px;font-weight:700;
  background:rgba(23,27,32,.82);color:#fff;padding:4px 10px;border-radius:var(--r-pill);
}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.55}
.post-line{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--c-muted)}
.post-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.post-tags span{font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-band);color:var(--c-body)}
.card-more{display:flex;justify-content:center;margin-top:36px}

/* 资讯 */
.news-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:32px}
.news-lead{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease;
}
.news-lead:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-lead-link{display:block;color:inherit}
.news-lead-link:hover{color:inherit}
.news-lead-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-band)}
.news-lead-media img{width:100%;height:100%;object-fit:cover}
.news-lead-body{padding:24px}
.news-lead-body h3{font-size:20px;font-weight:700;color:var(--c-ink);margin-top:12px;line-height:1.5}
.news-lead-body p{font-size:14px;color:var(--c-body);margin-top:10px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--c-muted)}
.news-side{display:flex;flex-direction:column;gap:0}
.news-item{border-bottom:1px dashed var(--c-line);transition:background .2s ease}
.news-item:last-child{border-bottom:0}
.news-item > a{display:block;padding:18px 16px 18px 20px;border-left:1px solid var(--c-primary);color:inherit;transition:background .2s ease}
.news-item > a:hover{background:var(--c-band);color:inherit}
.news-item-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.news-date{font-size:12px;color:var(--c-muted)}
.news-item h3{font-size:15px;font-weight:700;color:var(--c-ink);margin-top:8px;line-height:1.6}
.news-item p{font-size:13px;color:var(--c-muted);margin-top:6px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-go{display:inline-block;margin-top:8px;font-size:13px;font-weight:700;color:var(--c-primary)}
.news-empty{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--c-muted);font-size:14px;
}
.news-empty .empty-dot{
  width:52px;height:52px;border-radius:50%;border:2px dashed var(--c-line);
  margin:0 auto 14px;display:grid;place-items:center;color:var(--c-line);font-size:20px;font-weight:700;
}

/* 评价 */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.quote{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.quote:nth-child(2){margin-top:28px}
.quote:nth-child(3){margin-top:12px}
.quote-mark{font-size:34px;line-height:1;color:var(--c-primary);font-weight:800}
.quote p{font-size:14px;color:var(--c-body);line-height:1.85;margin-top:10px}
.quote-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line)}
.quote-name{font-size:14px;font-weight:700;color:var(--c-ink)}

/* 知识区 */
.know-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}
.know-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.know-main .know-media{aspect-ratio:16/9;background:var(--c-band);overflow:hidden}
.know-main .know-media img{width:100%;height:100%;object-fit:cover}
.know-main-body{padding:24px}
.know-main-body h3{font-size:19px;font-weight:700;color:var(--c-ink);margin-top:12px}
.know-main-body p{font-size:14px;color:var(--c-body);margin-top:10px;line-height:1.8}
.know-side{display:flex;flex-direction:column;gap:20px}
.know-small{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;flex:1;display:flex;flex-direction:column;gap:10px;
  transition:border-color .2s ease,transform .2s ease;
}
.know-small:hover{border-color:var(--c-primary);transform:translateY(-2px)}
.know-small h3{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.55}
.know-arrow{margin-top:auto;font-size:13px;font-weight:700;color:var(--c-primary)}

/* 数据条 */
.stats-band{background:var(--c-ink);padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 24px;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:0}
.stat-num{font-size:clamp(28px,3.6vw,42px);font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.5px}
.stat-num span{color:var(--c-primary);font-size:.6em;margin-left:2px}
.stat-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 44px 20px 20px;font-size:15px;font-weight:700;color:var(--c-ink);
  border-left:3px solid transparent;transition:background .2s ease,border-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--c-muted);transition:transform .2s ease,color .2s ease;
}
.faq-item summary:hover{background:var(--c-band)}
.faq-item[open] summary{border-left-color:var(--c-primary);background:var(--c-band)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--c-primary)}
.faq-body{padding:0 44px 22px 20px;font-size:14px;color:var(--c-body);line-height:1.85}

/* 表单 */
.form-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;
}
.form-intro h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--c-ink);line-height:1.4}
.form-intro p{font-size:14px;color:var(--c-body);margin-top:14px;line-height:1.85}
.form-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.form-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-body)}
.form-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:11px;flex:0 0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:#3A424C}
.field input,.field select,.field textarea{
  height:44px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 14px;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 3px rgba(242,96,60,.14);
}
.form-foot{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-privacy{font-size:12px;color:var(--c-muted);line-height:1.7}

/* 城市覆盖 */
.city-cloud{display:flex;flex-wrap:wrap;gap:10px}
.city-cloud span{
  font-size:13px;font-weight:600;color:var(--c-body);
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:all .2s ease;
}
.city-cloud span:hover{border-color:var(--c-primary);color:var(--c-primary)}
.partner-line{
  margin-top:32px;padding-top:24px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);
}
.partner-line b{color:var(--c-body);font-weight:600}

/* 转化条 */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-xl);
  padding:48px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;
  border:2px dashed rgba(242,96,60,.28);border-radius:50%;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff;line-height:1.45;position:relative;z-index:1}
.cta-band p{font-size:14px;color:rgba(255,255,255,.66);margin-top:10px;position:relative;z-index:1}
.cta-actions{display:flex;align-items:center;gap:18px;position:relative;z-index:1;flex-wrap:wrap}
.cta-link{font-size:14px;font-weight:600;color:#fff;border-bottom:1.5px solid rgba(255,255,255,.4);padding-bottom:2px}
.cta-link:hover{color:#fff;border-bottom-color:var(--c-primary)}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.68);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.45)}
.footer-desc{font-size:13px;line-height:1.9;margin-top:18px;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:var(--c-accent)}
.footer-disclaimer{font-size:12px;color:rgba(255,255,255,.38);padding-bottom:26px;line-height:1.8}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-links a{font-size:14px;padding:8px 10px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .nav-login{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{aspect-ratio:16/11}
  .hero-chip{right:12px;bottom:12px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .scene-lg{grid-column:span 2}
  .area-grid{grid-template-columns:repeat(2,1fr)}
  .safety-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
  .quote:nth-child(2),.quote:nth-child(3){margin-top:0}
  .know-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .stat:nth-child(2){border-right:0}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .form-wrap{grid-template-columns:1fr;padding:28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:36px 28px;flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero{padding:44px 0 64px}
  .filter-bar{border-radius:var(--r-xl);padding:14px}
  .filter-bar select,.filter-bar input{width:100%;min-width:0;flex:none}
  .filter-bar .btn{width:100%}
  .track-card{flex:0 0 82%}
  .rank-item{padding:16px;gap:14px}
  .rank-num{font-size:24px;min-width:32px}
  .card-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .scene-lg{grid-column:span 1}
  .area-grid{grid-template-columns:1fr 1fr}
  .safety-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{padding-top:52px}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
  .area-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat{padding:0 14px}
  .hero-chip{position:static;margin-top:14px;min-width:0;width:100%}
}

/* 移动端抽屉 */
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);z-index:90;
  background:var(--c-surface);border-left:1px solid var(--c-line);
  transform:translateX(102%);transition:transform .28s ease;
  padding:24px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
body.nav-open .nav-drawer{transform:translateX(0)}
body.nav-open{overflow:hidden}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-bg);font-size:18px;line-height:1;color:var(--c-ink)}
.nav-drawer a{
  display:block;padding:13px 14px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:var(--c-ink);background:transparent;
}
.nav-drawer a:hover{background:var(--c-band)}
.nav-drawer .btn{margin-top:16px;width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,27,32,.34);z-index:85;
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
body.nav-open .drawer-mask{opacity:1;pointer-events:auto}

/* roulang page: article */
:root{
  --c-primary:#F2603C;
  --c-primary-dark:#D44A28;
  --c-accent:#17C3A2;
  --c-ink:#171B20;
  --c-body:#4E5763;
  --c-muted:#8A929D;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-band:#F1EDE5;
  --c-line:#E6E0D6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,27,32,.05),0 2px 8px rgba(23,27,32,.06);
  --sh-2:0 8px 24px rgba(23,27,32,.10);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-body);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background .2s ease}
a:hover{color:var(--c-primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-band{background:var(--c-band)}
.section-line{border-top:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--c-ink);line-height:1.35;letter-spacing:-.3px;margin:0}
.section-desc{font-size:14px;color:var(--c-muted);margin-top:8px}
/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,244,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:8px;position:relative}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary),#F58A56);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;letter-spacing:.2px}
.logo-sub{font-size:11px;color:var(--c-muted);font-weight:500;letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:18px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-body);
}
.nav-links a:hover{background:var(--c-band);color:var(--c-ink)}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;
  border-radius:2px;background:var(--c-primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-login{font-size:15px;font-weight:600;color:var(--c-body)}
.nav-login:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(242,96,60,.08);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(242,96,60,.10);color:#B93F20;
}
.badge-soft{background:rgba(23,195,162,.13);color:#0E8D76}
.badge-gray{background:rgba(138,146,157,.14);color:#5A6472}
/* 文章头部 */
.article-head{
  background:var(--c-band);
  border-bottom:1px solid var(--c-line);
  padding:36px 0 40px;
  position:relative;
  overflow:hidden;
}
.article-head::after{
  content:"";position:absolute;right:-90px;top:-60px;width:280px;height:280px;
  border:2px dashed rgba(242,96,60,.16);border-radius:50%;pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);position:relative;z-index:2}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#C4BDD0;opacity:.8}
.crumbs .current{color:var(--c-body);font-weight:600;max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head-inner{position:relative;z-index:2;max-width:900px}
.article-cat{margin-top:18px}
.article-title{
  margin:14px 0 0;
  font-size:clamp(26px,3.4vw,42px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.4px;
  color:var(--c-ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;font-size:13px;color:var(--c-muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BFB0}
.article-meta strong{color:var(--c-body);font-weight:600}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:12px;font-weight:600;color:var(--c-body);
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-1)}
/* 封面 */
.cover-block{padding:40px 0 0}
.cover-frame{
  position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-xl);
  overflow:hidden;background:linear-gradient(135deg,#F6E7DC,#EFE3D2);
  box-shadow:var(--sh-1);
}
.cover-frame img{width:100%;height:100%;object-fit:cover}
.cover-caption{
  margin-top:12px;font-size:13px;color:var(--c-muted);line-height:1.7;text-align:center;
}
/* 阅读区 */
.read-wrap{padding:36px 0 8px}
.read-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-body{
  max-width:760px;width:100%;
  font-size:16px;line-height:1.9;color:var(--c-body);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--c-ink);
  line-height:1.4;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--c-ink);margin:26px 0 10px;line-height:1.5}
.article-body h4{font-size:16px;font-weight:700;color:var(--c-ink);margin:20px 0 8px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--c-primary-dark);text-decoration-thickness:2px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul{list-style:none;padding-left:20px}
.article-body ul>li{position:relative;padding-left:4px;margin-bottom:.55em}
.article-body ul>li::before{
  content:"";position:absolute;left:-16px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--c-accent);transform:rotate(45deg);
}
.article-body ol>li{margin-bottom:.55em}
.article-body ol>li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--c-band);
  border-left:4px solid var(--c-accent);border-radius:0 var(--r-md) var(--r-md) 0;
  color:#3F4854;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-lg);margin:22px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.article-body thead th{background:var(--c-band);color:var(--c-ink);font-weight:700}
.article-body tbody tr:nth-child(even){background:rgba(241,237,229,.55)}
.article-body code{
  background:rgba(23,27,32,.06);padding:2px 6px;border-radius:6px;font-size:14px;color:#B93F20;
}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:32px 0}
/* 侧栏卡片 */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--nav-h) + 20px)}
.note-card{
  background:var(--c-surface);border:1.5px dashed #D9D2C4;
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
}
.note-card h3{margin:0 0 6px;font-size:16px;font-weight:700;color:var(--c-ink)}
.note-card .note-sub{font-size:12.5px;color:var(--c-muted);margin-bottom:14px}
.note-list{list-style:none;margin:0;padding:0}
.note-list li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:var(--c-body);margin-bottom:12px}
.note-list li:last-child{margin-bottom:0}
.note-list .num{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:rgba(242,96,60,.12);
  color:#B93F20;font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.side-cta{
  background:var(--c-ink);color:#E8E4DC;border-radius:var(--r-lg);padding:24px;
}
.side-cta h3{margin:0 0 8px;font-size:17px;font-weight:700;color:#fff}
.side-cta p{margin:0 0 16px;font-size:13.5px;line-height:1.75;color:#BEB8AE}
.side-cta .btn{width:100%}
/* 安全板块 */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.guard-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;transition:border-color .2s ease,box-shadow .2s ease;
}
.guard-card:hover{border-color:#CFC6B6;box-shadow:var(--sh-1)}
.guard-icon{
  width:40px;height:40px;border-radius:var(--r-md);display:grid;place-items:center;
  background:rgba(23,195,162,.12);color:#0E8D76;margin-bottom:14px;
}
.guard-icon svg{width:20px;height:20px}
.guard-card h3{margin:0 0 6px;font-size:16px;font-weight:700;color:var(--c-ink)}
.guard-card p{margin:0;font-size:13.5px;line-height:1.75;color:var(--c-muted)}
/* FAQ */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 4px;background:transparent;border:0;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--c-ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .ico{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-primary);font-size:16px;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:rgba(242,96,60,.10);border-color:rgba(242,96,60,.35)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 4px 20px 18px;border-left:3px solid rgba(242,96,60,.35);margin-left:2px;font-size:14.5px;line-height:1.85;color:var(--c-body)}
.faq-a-inner p{margin:0}
/* 编辑说明 */
.editor-note{
  max-width:860px;margin:0 auto;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 30px;
}
.editor-note h3{margin:0 0 12px;font-size:16px;font-weight:700;color:var(--c-ink)}
.editor-note p{margin:0 0 10px;font-size:13.5px;line-height:1.85;color:var(--c-muted)}
.editor-note p:last-of-type{margin-bottom:0}
.editor-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px}
/* 转化条 */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-xl);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;
  border:2px dashed rgba(242,96,60,.3);border-radius:50%;pointer-events:none;
}
.cta-band h2{margin:0 0 8px;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff;line-height:1.4}
.cta-band p{margin:0;font-size:14px;color:#B8B2A8;max-width:640px;line-height:1.8}
.cta-band .btn{position:relative;z-index:2}
/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed #D9D2C4;border-radius:var(--r-lg);
}
.empty-state .empty-ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  background:rgba(242,96,60,.10);color:var(--c-primary);display:grid;place-items:center;
}
.empty-state h2{margin:0 0 8px;font-size:20px;font-weight:700;color:var(--c-ink)}
.empty-state p{margin:0 0 20px;font-size:14px;color:var(--c-muted)}
/* 页脚 */
.site-footer{background:var(--c-ink);color:#B8B2A8;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand .logo-name{color:#fff;font-size:19px;font-weight:800;letter-spacing:.3px}
.footer-desc{margin:12px 0 0;font-size:13.5px;line-height:1.85;color:#9E988E}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:700;color:#F0EDE7;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;color:#B8B2A8}
.footer-col a:hover{color:var(--c-accent)}
.footer-col p{margin:0;font-size:13.5px;line-height:1.85;color:#9E988E}
.footer-disclaimer{
  padding:20px 0;font-size:12.5px;line-height:1.85;color:#8B857B;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:20px;font-size:12.5px;color:#8B857B;
}
/* 响应式 */
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-links{
    position:absolute;left:0;right:0;top:var(--nav-h);
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    padding:10px;margin:8px 0 0;box-shadow:var(--sh-2);z-index:90;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:11px 14px;border-radius:var(--r-md)}
  .nav-links a.active::after{left:14px;right:auto;width:22px;bottom:6px}
  .nav-toggle{display:flex}
  .read-grid{grid-template-columns:1fr;gap:32px}
  .side-stack{position:static;flex-direction:row;flex-wrap:wrap}
  .side-stack>*{flex:1 1 280px}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-login{display:none}
  .article-head{padding:26px 0 30px}
  .crumbs .current{max-width:220px}
  .article-meta{gap:8px 14px;font-size:12.5px}
  .share-group{margin-left:0;width:100%}
  .cover-block{padding:26px 0 0}
  .cover-frame{border-radius:var(--r-lg)}
  .read-wrap{padding:26px 0 4px}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{margin:28px 0 14px;padding-left:12px;border-left-width:3px}
  .guard-grid{grid-template-columns:1fr;gap:14px}
  .cta-band{padding:30px 24px;border-radius:var(--r-lg)}
  .editor-note{padding:22px 20px}
  .faq-a-inner{padding-left:14px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .logo-sub{display:none}
  .article-title{font-size:24px;line-height:1.32}
  .btn{width:100%}
  .btn-sm{width:auto}
  .share-btn{padding:0 12px}
  .side-stack{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --c-primary:#F2603C;
  --c-primary-dark:#D44A28;
  --c-accent:#17C3A2;
  --c-ink:#171B20;
  --c-body:#4E5763;
  --c-muted:#8A929D;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-band:#F1EDE5;
  --c-line:#E6E0D6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,27,32,.05),0 2px 8px rgba(23,27,32,.06);
  --sh-2:0 8px 24px rgba(23,27,32,.10);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-body);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:var(--c-primary-dark)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0}
ul{margin:0;padding:0}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-band{background:var(--c-band)}
.section-line{border-top:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--c-ink);line-height:1.35;letter-spacing:-.3px}
.section-desc{font-size:14px;color:var(--c-muted);margin-top:8px;max-width:680px}
/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,244,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:8px;position:relative}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary),#F58A56);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:17px;font-weight:800;letter-spacing:.2px;color:inherit}
.logo-sub{font-size:11px;color:var(--c-muted);font-weight:500;letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:18px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-body);
}
.nav-links a:hover{background:var(--c-band);color:var(--c-ink)}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;
  border-radius:2px;background:var(--c-primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-login{font-size:15px;font-weight:600;color:var(--c-body)}
.nav-login:hover{color:var(--c-primary)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ===== 按钮 / 徽章 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(242,96,60,.08);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(242,96,60,.10);color:#B93F20;
}
.badge-soft{background:rgba(23,195,162,.13);color:#0E8D76}
.badge-gray{background:rgba(138,146,157,.14);color:#5A6472}
/* ===== 分类页头 ===== */
.page-head{
  position:relative;overflow:hidden;
  padding:56px 0 48px;
  border-bottom:1px solid var(--c-line);
  background:url('/assets/images/b7561b9a49c62ad6.webp') center/cover no-repeat;
}
.page-head::before{content:"";position:absolute;inset:0;background:rgba(250,248,244,.95)}
.page-head::after{
  content:"";position:absolute;right:56px;top:36px;bottom:36px;width:6px;
  background-image:repeating-linear-gradient(to bottom,var(--c-primary) 0 2px,transparent 2px 14px);
  opacity:.28;
}
.page-inner{position:relative;z-index:2;max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted)}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-line)}
.page-title{margin-top:14px;font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.28;letter-spacing:-.4px;color:var(--c-ink)}
.page-lead{margin-top:18px;font-size:16px;line-height:1.95;color:var(--c-body)}
.page-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.page-meta span{
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-body);box-shadow:var(--sh-1);
}
/* ===== 筛选工具条 ===== */
.filter-bar{
  position:sticky;top:var(--nav-h);z-index:60;
  background:rgba(250,248,244,.97);
  border-bottom:1px solid var(--c-line);
  padding:14px 0;
  transition:box-shadow .2s ease;
  backdrop-filter:saturate(120%) blur(4px);
}
.filter-bar.is-stuck{box-shadow:var(--sh-1)}
.filter-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:13px;font-weight:600;color:var(--c-body);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip:active{transform:scale(.97)}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.filter-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.count{font-size:13px;color:var(--c-muted);white-space:nowrap}
.count b{color:var(--c-primary);font-weight:700}
select.sort{
  border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:8px 12px;background:var(--c-surface);font-size:13px;color:var(--c-ink);
}
/* ===== 活动列表 ===== */
.list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.act-card{
  display:grid;grid-template-columns:42% 1fr;
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.act-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#DCD4C7}
.act-media{position:relative;background:var(--c-band);overflow:hidden;min-height:180px}
.act-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s ease}
.act-card:hover .act-media img{transform:scale(1.04)}
.act-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:#B93F20}
.act-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px}
.act-title{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.5}
.act-meta{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--c-muted)}
.act-meta i{font-style:normal;color:var(--c-primary);font-weight:700;margin-right:6px}
.act-tags{display:flex;flex-wrap:wrap;gap:6px}
.act-tags span{
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(23,195,162,.12);color:#0E8D76;
}
.act-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--c-line)}
.act-join{font-size:13px;color:var(--c-muted)}
.act-join b{color:var(--c-ink);font-size:15px}
.list-more{display:flex;justify-content:center;margin-top:40px}
/* ===== 要点速览 ===== */
.points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.point{
  display:flex;gap:16px;padding:24px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.point:hover{border-color:#DCCFC0;box-shadow:var(--sh-1)}
.point-icon{
  width:46px;height:46px;flex:0 0 auto;border-radius:14px;
  background:rgba(242,96,60,.10);color:var(--c-primary);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.point h3{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.5}
.point p{font-size:14px;color:var(--c-body);line-height:1.8;margin-top:6px}
/* ===== 标签云 ===== */
.cloud{display:flex;flex-wrap:wrap;gap:10px}
.cloud .tag{
  display:inline-flex;align-items:center;
  padding:8px 17px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-body);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.cloud .tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(242,96,60,.06);transform:translateY(-1px)}
/* ===== 精选路线 ===== */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pick-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease;
}
.pick-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.pick-media{aspect-ratio:3/2;background:var(--c-band);overflow:hidden}
.pick-media img{width:100%;height:100%;object-fit:cover}
.pick-body{padding:20px 22px}
.pick-body h3{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.55}
.pick-body p{font-size:13.5px;color:var(--c-body);line-height:1.8;margin-top:8px}
.pick-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pick-facts span{
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-band);color:#5A6472;
}
/* ===== FAQ ===== */
.faq{max-width:820px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 0;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .ico{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1.5px solid var(--c-line);color:var(--c-muted);
  display:grid;place-items:center;font-size:14px;line-height:1;
  transition:transform .22s ease,border-color .22s ease,color .22s ease;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);border-color:var(--c-primary);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.open .faq-a{max-height:260px}
.faq-a p{
  margin:0 0 20px;padding-left:16px;border-left:3px solid var(--c-primary);
  font-size:14.5px;line-height:1.85;color:var(--c-body);
}
/* ===== 三步 ===== */
.steps3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step3{
  padding:26px 22px;border-radius:var(--r-lg);
  background:var(--c-surface);border:1px solid var(--c-line);text-align:center;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.step3:hover{border-color:#DCCFC0;box-shadow:var(--sh-1)}
.step3 .dot{
  width:40px;height:40px;margin:0 auto 14px;border-radius:12px;
  background:rgba(23,195,162,.13);color:#0E8D76;
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.step3 h3{font-size:16px;font-weight:700;line-height:1.5}
.step3 p{font-size:13.5px;color:var(--c-body);margin-top:8px;line-height:1.8}
/* ===== 转化条 ===== */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-xl);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);line-height:1.4;letter-spacing:-.2px}
.cta-band p{color:#B9BFC8;font-size:14px;margin-top:10px;line-height:1.8;max-width:560px}
/* ===== 页脚 ===== */
.site-footer{background:var(--c-ink);color:#B9BFC8;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-name{color:#fff;font-size:18px;font-weight:800;letter-spacing:.2px}
.footer-desc{font-size:14px;line-height:1.85;color:#98A0AB;margin-top:14px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.5px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#B9BFC8;font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-col p{font-size:13px;line-height:1.8;color:#98A0AB}
.footer-disclaimer{
  border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:20px;
  font-size:12.5px;color:#7E8792;line-height:1.85;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);margin-top:16px;padding:18px 0 26px;
  font-size:12.5px;color:#7E8792;
}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .list-grid{grid-template-columns:1fr}
  .points{grid-template-columns:1fr}
  .steps3{grid-template-columns:1fr}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-head::after{right:24px}
}
@media (max-width:900px){
  .nav-login{display:none}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;left:-24px;right:-24px;top:var(--nav-h);
    display:none;flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;padding:10px 20px 18px;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px;border-radius:var(--r-md)}
  .nav-links a.active::after{left:10px;right:auto;width:22px;bottom:6px}
  .nav-toggle{display:inline-flex}
  .filter-bar{position:static;backdrop-filter:none}
  .filter-inner{gap:12px}
  .filter-right{margin-left:0;width:100%;justify-content:space-between}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .page-head{padding:38px 0 34px}
  .page-head::after{display:none}
  .nav-links{left:-16px;right:-16px}
  .act-card{grid-template-columns:1fr}
  .act-media{aspect-ratio:16/9;min-height:0}
  .pick-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-sm{width:auto}
  .act-body{padding:18px}
  .chip{font-size:12px;padding:6px 12px}
  .page-meta span{font-size:12px;padding:5px 12px}
}