/* roulang page: index */
:root{
  --brand:#FF5A1F; --brand-hover:#E94A12; --brand-soft:#FFF1E9; --brand-line:#FFD3BF;
  --mint:#0FA37F; --mint-soft:#E6F6F1; --yellow:#FFC93C;
  --bg:#FAF6F0; --white:#FFFFFF; --clay:#F4EFE8; --ink:#191418;
  --t1:#1C1A1F; --t2:#4A454F; --t3:#8B8590; --line:#EAE3DA; --inv:#FFF9F4;
  --r-lg:16px; --r-md:12px; --r-sm:8px;
  --sd:0 1px 2px rgba(28,26,31,.04), 0 10px 24px -14px rgba(28,26,31,.18);
  --sd-h:0 2px 5px rgba(28,26,31,.06), 0 20px 36px -18px rgba(28,26,31,.30);
  --ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--t2);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),opacity var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#F1EBE3}
::-webkit-scrollbar-thumb{background:#D9CFC3;border-radius:999px;border:2px solid #F1EBE3}
::-webkit-scrollbar-thumb:hover{background:#C4B7A7}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,240,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:14px;min-height:64px;padding:6px 0;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(255,90,31,.9);
}
.logo-mark svg{width:14px;height:14px;fill:#fff;margin-left:2px}
.logo-text{font-size:19px;font-weight:800;color:var(--t1);letter-spacing:-.02em}
.logo-text b{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;border-radius:999px;font-size:15px;color:var(--t2);font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--t1);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:8px}

@media(max-width:860px){
  .header-inner{min-height:auto;padding:10px 0 8px}
  .main-nav{order:3;width:100%;margin-left:0;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .main-nav::-webkit-scrollbar{display:none}
  .header-cta{margin-left:auto}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),opacity var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,31,.95)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(255,90,31,.95)}
.btn-primary:active{transform:translateY(0);background:#D2400E}
.btn-ghost{background:#fff;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-line);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:var(--brand-soft)}
.btn-dark{background:#fff;color:var(--ink)}
.btn-dark:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px}
.link-arrow:hover{gap:10px;color:var(--brand-hover)}

/* 标签与徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5}
.badge-brand{background:var(--brand-soft);color:var(--brand);border:1px solid var(--brand-line)}
.badge-mint{background:var(--mint-soft);color:var(--mint)}
.badge-plain{background:var(--clay);color:var(--t2)}
.badge-sun{background:rgba(255,201,60,.22);color:#8A6300}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand)}

/* 区块 */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
.section-tight{padding:40px 0}
@media(min-width:768px){.section-tight{padding:56px 0}}
.section-white{background:var(--white)}
.section-clay{background:var(--clay)}
.section-ink{background:var(--ink);color:var(--inv)}
.section-ink h2,.section-ink h3{color:var(--inv)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin:10px 0 12px}
.section-head p{font-size:16px;color:var(--t2)}
.section-ink .section-head p{color:rgba(255,249,244,.78)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sd);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sd-h);border-color:#DED4C8}
.card-pad{padding:22px}
.cover{aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-md);background:var(--clay)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.card:hover .cover img{transform:scale(1.03)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.card-title{font-size:18px;font-weight:800;color:var(--t1);line-height:1.45}
.card-text{font-size:15px;color:var(--t2)}
.meta{font-size:13px;color:var(--t3)}

/* 数字 */
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--mint);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--t3);margin-top:4px}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;background:var(--bg);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(250,246,240,.97) 0%,rgba(250,246,240,.90) 42%,rgba(255,241,233,.72) 100%),url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.16),transparent 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:56px 0 64px}
@media(min-width:768px){.hero-inner{padding:76px 0 84px}}
.hero h1{font-size:clamp(30px,5vw,52px);max-width:15em;margin:14px 0 18px}
.hero-lead{max-width:720px;font-size:16px;color:var(--t2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stage{
  margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sd-h);padding:16px;
}
.stage-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:640px){.stage-grid{grid-template-columns:repeat(3,1fr)}}
.stage-card{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.stage-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.stage-card.raise{transform:translateY(-12px)}
@media(max-width:639px){.stage-card.raise{transform:none}}
.stage-tag{
  position:absolute;left:10px;bottom:10px;background:rgba(25,20,24,.82);color:var(--inv);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--line)}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr)}}

/* 要点条 */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:1024px){.point-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.point{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px}
.point-ico{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.point-ico svg{width:19px;height:19px}
.point h3{font-size:15px;font-weight:800;margin-bottom:4px}
.point p{font-size:13.5px;color:var(--t3);line-height:1.6}

/* 功能分组 */
.feature-wide{display:grid;grid-template-columns:1fr;gap:20px;margin-bottom:20px}
@media(min-width:900px){.feature-wide{grid-template-columns:1.15fr .85fr}}
.feature-sm-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:1024px){.feature-sm-grid{grid-template-columns:repeat(4,1fr)}}
.feature-lg{padding:26px}
.feature-lg h3{font-size:21px;margin:14px 0 10px}
.feature-sm{padding:18px}
.feature-sm h3{font-size:16px;margin:10px 0 6px}
.feature-sm p{font-size:14px;color:var(--t3);line-height:1.65}
.icon-box{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--mint-soft);color:var(--mint);
}
.icon-box svg{width:21px;height:21px}

/* 三步 */
.steps{display:grid;grid-template-columns:1fr;gap:18px;counter-reset:step}
@media(min-width:820px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px 22px;box-shadow:var(--sd)}
.step-num{
  font-size:34px;font-weight:800;color:var(--brand);line-height:1;font-variant-numeric:tabular-nums;
  letter-spacing:-.04em;
}
.step h3{font-size:18px;margin:12px 0 8px}
.step p{font-size:14.5px;color:var(--t2)}
.step::after{
  content:"";position:absolute;top:34px;right:-14px;width:14px;height:2px;background:var(--brand-line);
}
.step:last-child::after{display:none}
@media(max-width:819px){.step::after{display:none}}

/* 场景 */
.scene-row{display:grid;grid-template-columns:1fr;gap:22px;align-items:center;margin-bottom:34px}
@media(min-width:900px){
  .scene-row{grid-template-columns:1fr 1fr;gap:44px}
  .scene-row.reverse .scene-copy{order:2}
  .scene-row.reverse .scene-media{order:1}
}
@media(min-width:900px){.scene-row:last-child{margin-bottom:0}}
.scene-copy h3{font-size:clamp(20px,2.6vw,26px);margin-bottom:12px}
.scene-copy p{font-size:15.5px;color:var(--t2)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.scene-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sd)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* 演示区 */
.demo-wrap{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:960px){.demo-wrap{grid-template-columns:1.05fr .95fr;gap:44px}}
.player{
  background:var(--ink);border-radius:var(--r-lg);padding:14px;box-shadow:var(--sd-h);
}
.player-screen{position:relative;border-radius:var(--r-md);overflow:hidden;background:#000}
.player-screen img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.92}
.player-play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
}
.player-play span{
  width:58px;height:58px;border-radius:50%;background:rgba(255,90,31,.94);
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px -10px rgba(0,0,0,.7);
}
.player-play svg{width:20px;height:20px;fill:#fff;margin-left:3px}
.player-bar{margin-top:12px}
.progress{height:5px;border-radius:999px;background:rgba(255,249,244,.20);overflow:hidden}
.progress i{display:block;height:100%;width:62%;background:var(--brand);border-radius:999px}
.player-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px}
.timecode{
  font-size:12.5px;font-variant-numeric:tabular-nums;color:var(--inv);
  background:rgba(255,249,244,.14);padding:3px 10px;border-radius:999px;
}
.player-meta .timecode.soft{background:rgba(255,90,31,.18);color:#FFB99B}
.shot-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.shot{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sd)}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot:nth-child(3){grid-column:span 2}
.shot-cap{padding:10px 12px;font-size:13.5px;color:var(--t2);font-weight:600}

/* 多端 */
.device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:1024px){.device-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.device{padding:22px;text-align:left}
.device h3{font-size:17px;margin:12px 0 8px}
.device p{font-size:14px;color:var(--t3);line-height:1.65}

/* 案例 */
.case-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:860px){.case-grid{grid-template-columns:repeat(3,1fr)}}
.case{padding:24px}
.case h3{font-size:17.5px;margin-bottom:10px}
.case p{font-size:14.5px;color:var(--t2);min-height:3.4em}
.case-result{display:flex;gap:22px;margin:18px 0 14px;padding:14px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.case-result .stat-num{font-size:24px}
.case-meta{display:flex;flex-wrap:wrap;gap:8px}

/* 价格 */
.switch{display:inline-flex;background:var(--clay);border-radius:999px;padding:4px;gap:2px}
.switch span{padding:7px 18px;border-radius:999px;font-size:14px;font-weight:700;color:var(--t3);cursor:default}
.switch span.on{background:#fff;color:var(--brand);box-shadow:var(--sd)}
.plan-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start;margin-top:34px}
@media(min-width:920px){.plan-grid{grid-template-columns:repeat(3,1fr)}}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sd)}
.plan h3{font-size:18px;margin-bottom:6px}
.plan .price{font-size:38px;font-weight:800;color:var(--t1);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.plan .price small{font-size:14px;font-weight:600;color:var(--t3);margin-left:4px;letter-spacing:0}
.plan .price-note{font-size:13px;color:var(--t3);margin-top:4px}
.plan-feats{margin:20px 0 22px;display:grid;gap:10px}
.plan-feats li{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:var(--t2)}
.plan-feats svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--mint)}
.plan.featured{background:var(--ink);border:2px solid var(--brand);color:var(--inv);transform:translateY(-6px)}
.plan.featured h3,.plan.featured .price{color:var(--inv)}
.plan.featured .price small,.plan.featured .price-note{color:rgba(255,249,244,.62)}
.plan.featured .plan-feats li{color:rgba(255,249,244,.86)}
.plan.featured .plan-feats svg{color:#4FD5B0}
.plan-sticker{
  position:absolute;top:-13px;right:20px;background:var(--yellow);color:#5C4200;
  font-size:13px;font-weight:800;padding:5px 14px;border-radius:999px;box-shadow:0 8px 18px -10px rgba(0,0,0,.4);
}
@media(max-width:919px){.plan.featured{transform:none}}

/* 评价墙 */
.review-wall{columns:1;column-gap:20px}
@media(min-width:640px){.review-wall{columns:2}}
@media(min-width:1024px){.review-wall{columns:3}}
.review{
  break-inside:avoid;margin-bottom:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sd);
}
.review-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.review-name{font-size:14.5px;font-weight:700;color:var(--t1)}
.stars{color:var(--yellow);font-size:13px;letter-spacing:2px}
.review p{font-size:14.5px;color:var(--t2)}
.review-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* 口碑 */
.trust-wrap{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:920px){.trust-wrap{grid-template-columns:.85fr 1.15fr;gap:56px}}
.score-big{display:flex;align-items:flex-end;gap:12px}
.score-big b{font-size:56px;line-height:1;color:var(--t1);font-variant-numeric:tabular-nums;letter-spacing:-.04em}
.bar-row{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:13px;color:var(--t3)}
.bar-row .track{flex:1;height:8px;border-radius:999px;background:var(--clay);overflow:hidden}
.bar-row .track i{display:block;height:100%;background:var(--yellow);border-radius:999px}
.quote{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--r-md);padding:22px;margin-bottom:16px;
}
.quote p{font-size:15.5px;color:var(--t2)}
.quote .who{margin-top:12px;font-size:13.5px;color:var(--t3)}
.trust-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.trust-badge{
  background:var(--clay);border-radius:var(--r-md);padding:14px 12px;text-align:center;
  font-size:13.5px;font-weight:700;color:var(--t2);
}
.trust-badge svg{width:20px;height:20px;color:var(--mint);margin:0 auto 6px;display:block}

/* 分类入口 */
.channel-card{
  display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sd);
}
@media(min-width:860px){.channel-card{grid-template-columns:1.05fr 1fr}}
.channel-card .cover{aspect-ratio:16/9;border-radius:0}
@media(min-width:860px){.channel-card .cover{height:100%;aspect-ratio:auto}}
.channel-body{padding:26px}
.channel-body h3{font-size:22px;margin:12px 0 10px}
.channel-body p{font-size:15px;color:var(--t2)}
.channel-stats{display:flex;flex-wrap:wrap;gap:22px;margin:18px 0 20px}
.channel-stats div b{display:block;font-size:22px;color:var(--mint);font-variant-numeric:tabular-nums}
.channel-stats div span{font-size:13px;color:var(--t3)}

/* 专题横滑 */
.rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;margin:-4px -4px 0}
.rail::-webkit-scrollbar{height:8px}
.rail > *{flex:0 0 260px;scroll-snap-align:start}
@media(min-width:768px){.rail > *{flex:0 0 300px}}
.rail-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd);transition:transform var(--ease),box-shadow var(--ease)}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--sd-h)}
.rail-body{padding:16px}
.rail-body h3{font-size:16px;margin-bottom:6px}
.rail-body p{font-size:13.5px;color:var(--t3)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq[open]{border-color:var(--brand-line)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:16px;font-weight:700;color:var(--t1);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq-arrow{flex:0 0 auto;width:20px;height:20px;color:var(--brand);transition:transform var(--ease)}
.faq[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 20px 18px;border-top:1px solid var(--line);font-size:15px;color:var(--t2)}
.faq-body p{padding-top:14px}

/* 更新标准 */
.std-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:860px){.std-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.std{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg)}
.std h3{font-size:17px;margin:12px 0 10px}
.std p{font-size:14.5px;color:var(--t2)}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news{padding:0;overflow:hidden}
.news .cover{border-radius:0}
.news-body{padding:18px}
.news-body h3{font-size:16.5px;margin-bottom:8px}
.news-body p{font-size:14px;color:var(--t3);line-height:1.65}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}

/* 订阅 */
.sub-wrap{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:900px){.sub-wrap{grid-template-columns:1.05fr .95fr;gap:56px}}
.sub-form{background:rgba(255,249,244,.06);border:1px solid rgba(255,249,244,.16);border-radius:var(--r-lg);padding:24px}
.sub-form label{display:block;font-size:13.5px;font-weight:700;color:rgba(255,249,244,.82);margin-bottom:8px}
.form-row{display:flex;flex-wrap:wrap;gap:10px}
.form-row input{
  flex:1 1 200px;min-width:0;padding:13px 16px;border-radius:var(--r-md);
  background:rgba(255,249,244,.10);border:1px solid rgba(255,249,244,.20);
  color:var(--inv);font-size:15px;outline:none;transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.form-row input::placeholder{color:rgba(255,249,244,.42)}
.form-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.30);background:rgba(255,249,244,.16)}
.form-error{font-size:13px;color:#FF9C7A;margin-top:10px}
.form-hint{font-size:13px;color:rgba(255,249,244,.55);margin-top:10px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,249,244,.72);padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:28px}}
.footer-brand .logo-text{color:var(--inv)}
.footer-brand .logo-text b{color:var(--brand)}
.footer-brand p{font-size:14px;margin-top:14px;max-width:32em;color:rgba(255,249,244,.62)}
.footer-col h4{font-size:15px;color:var(--inv);margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:rgba(255,249,244,.66)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,249,244,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,249,244,.5);
}
.footer-bottom a{color:rgba(255,249,244,.6)}
.footer-bottom a:hover{color:var(--brand)}

/* 装饰 */
.film-edge{
  height:8px;border-radius:4px;
  background-image:repeating-linear-gradient(90deg,rgba(25,20,24,.10) 0 9px,transparent 9px 18px);
}
.section-ink .film-edge{background-image:repeating-linear-gradient(90deg,rgba(255,249,244,.14) 0 9px,transparent 9px 18px)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A1F; --brand-hover:#E94A12; --brand-soft:#FFF1E9; --brand-line:#FFD3BF;
  --mint:#0FA37F; --mint-soft:#E6F6F1; --yellow:#FFC93C;
  --bg:#FAF6F0; --white:#FFFFFF; --clay:#F4EFE8; --ink:#191418;
  --t1:#1C1A1F; --t2:#4A454F; --t3:#8B8590; --line:#EAE3DA; --inv:#FFF9F4;
  --r-lg:16px; --r-md:12px; --r-sm:8px;
  --sd:0 1px 2px rgba(28,26,31,.04), 0 10px 24px -14px rgba(28,26,31,.18);
  --sd-h:0 2px 5px rgba(28,26,31,.06), 0 20px 36px -18px rgba(28,26,31,.30);
  --ease:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;background:var(--bg);color:var(--t2);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),opacity var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
.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}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,240,.94);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:12px;min-height:64px;padding:8px 0;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(255,90,31,.9);
}
.logo-mark svg{width:14px;height:14px;fill:#fff;margin-left:2px}
.logo-text{font-size:19px;font-weight:800;color:var(--t1);letter-spacing:-.02em}
.logo-text b{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:8px 12px;border-radius:999px;font-size:15px;color:var(--t2);font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--t1);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.header-cta{margin-left:8px}
@media (max-width:900px){
  .header-inner{row-gap:2px;padding:10px 0 8px}
  .main-nav{order:3;width:100%;margin-left:0;overflow-x:auto;padding:2px 0 4px;scrollbar-width:none}
  .main-nav::-webkit-scrollbar{display:none}
  .header-cta{margin-left:auto}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),opacity var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,31,.95)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(255,90,31,.95)}
.btn-primary:active{transform:translateY(0);background:#D2400E}
.btn-ghost{background:#fff;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-line);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);background:var(--brand-soft)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px}
.link-arrow:hover{gap:10px;color:var(--brand-hover)}

/* 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.5}
.badge-brand{background:var(--brand-soft);color:var(--brand);border:1px solid var(--brand-line)}
.badge-mint{background:var(--mint-soft);color:var(--mint)}
.badge-plain{background:var(--clay);color:var(--t2)}
.badge-sun{background:rgba(255,201,60,.22);color:#8A6300}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand)}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand)}
.meta{font-size:13px;color:var(--t3)}

/* 板块 */
.section{padding:56px 0}
.section-tight{padding:32px 0}
@media (min-width:1024px){
  .section{padding:80px 0}
  .section-tight{padding:44px 0}
}
.section-white{background:var(--white)}
.section-clay{background:var(--clay)}
.section-ink{background:var(--ink);color:var(--inv)}
.section-head{max-width:760px;margin-bottom:30px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;color:var(--t1);letter-spacing:-.01em;line-height:1.3}
.section-head .lead{margin-top:12px;font-size:16px;color:var(--t2)}
.section-head.split{max-width:none;display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 卡片基础 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sd);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sd-h);border-color:#DED4C8}
.card-title{font-size:18px;font-weight:800;color:var(--t1);line-height:1.45}
.card-text{font-size:15px;color:var(--t2)}
.cover{position:relative;overflow:hidden;background:var(--clay)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out}
.card:hover .cover img{transform:scale(1.03)}

/* 分类头 */
.cat-hero{position:relative;overflow:hidden;background:var(--clay);border-bottom:1px solid var(--line)}
.cat-hero::before{
  content:"";position:absolute;width:440px;height:440px;right:-130px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.16),rgba(255,90,31,0) 70%);
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:16px;font-size:13px;color:var(--t3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--t1);font-weight:600}
.cat-hero-grid{display:grid;gap:22px;padding:18px 0 28px}
.cat-hero h1{font-size:clamp(25px,3.4vw,38px);font-weight:800;color:var(--t1);letter-spacing:-.01em;line-height:1.25;margin:12px 0 0}
.cat-hero .lead{max-width:640px;margin-top:14px;font-size:16px;color:var(--t2)}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.cat-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;box-shadow:var(--sd)}
.stat b{display:block;font-size:21px;font-weight:800;line-height:1.3;color:var(--mint)}
.stat span{font-size:13px;color:var(--t3)}
@media (min-width:900px){
  .cat-hero-grid{grid-template-columns:1.5fr 1fr;align-items:center;padding:22px 0 30px}
}

/* 筛选条 */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sd);
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--t2);cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{border-color:var(--brand-line);color:var(--brand);transform:translateY(-1px)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 20px -14px rgba(255,90,31,.95)}
.filter-right{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.field-select{
  padding:9px 36px 9px 14px;border-radius:999px;border:1px solid var(--line);background-color:#fff;
  font-size:14px;font-weight:600;color:var(--t1);cursor:pointer;-webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B8590' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;background-size:14px;
}
.field-select:hover{border-color:var(--brand-line);color:var(--brand)}

/* 列表 */
.list-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:760px){.list-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.list-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.v-card{display:flex;flex-direction:column;overflow:hidden}
.v-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--clay)}
.v-cover img{width:100%;height:100%;object-fit:cover}
.v-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px}
.v-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14.5px;color:var(--t2)}
.v-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line)}
.time-pill{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:999px;
  background:rgba(25,20,24,.82);color:var(--inv);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.corner-tag{
  position:absolute;left:10px;top:10px;padding:4px 10px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;
  box-shadow:0 8px 18px -12px rgba(255,90,31,.95);
}
@media (max-width:560px){
  .v-card{flex-direction:row;align-items:stretch}
  .v-cover{flex:0 0 128px;width:128px;aspect-ratio:1/1;border-radius:var(--r-lg) 0 0 var(--r-lg)}
  .v-body{padding:14px;gap:8px}
  .v-title{font-size:16px}
  .v-desc{-webkit-line-clamp:2;font-size:13.5px}
  .v-foot{padding-top:9px}
  .time-pill{right:8px;bottom:8px;font-size:11px}
}

/* 精选横滑 */
.feat-row{
  display:flex;gap:18px;overflow-x:auto;padding:6px 2px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.feat-row::-webkit-scrollbar{height:6px}
.feat-row::-webkit-scrollbar-thumb{background:#DED4C8;border-radius:999px}
.feat-card{
  flex:0 0 min(84vw,330px);scroll-snap-align:start;display:flex;flex-direction:column;overflow:hidden;
}
.feat-card .v-cover{aspect-ratio:16/10}
.feat-card .v-title{font-size:19px}
.feat-badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  background:var(--yellow);color:#6B4A00;font-size:12px;font-weight:700;
}

/* 专题卡 */
.topic-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:760px){.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.topic-grid{grid-template-columns:repeat(3,1fr)}}
.topic-card{display:flex;flex-direction:column;overflow:hidden}
.topic-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--clay)}
.topic-body{display:flex;flex-direction:column;gap:8px;flex:1;padding:18px}
.topic-body h3{font-size:17px;font-weight:800;color:var(--t1);line-height:1.5}
.topic-body p{font-size:14.5px;color:var(--t2)}
.topic-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}

/* 场景 */
.scene-row{display:grid;gap:18px;padding:22px 0;align-items:center;border-bottom:1px solid var(--line)}
.scene-row:last-child{border-bottom:0;padding-bottom:6px}
.scene-media{position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:var(--clay)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-body h3{font-size:19px;font-weight:800;color:var(--t1);line-height:1.5}
.scene-body p{margin-top:10px;font-size:15px;color:var(--t2)}
.scene-list{margin-top:12px;display:grid;gap:8px}
.scene-list li{display:flex;gap:9px;font-size:14.5px;color:var(--t2)}
.scene-list li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--mint)}
@media (min-width:900px){
  .scene-row{grid-template-columns:1fr 1fr;gap:34px}
  .scene-row.reverse .scene-media{order:2}
}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;font-size:16px;font-weight:700;color:var(--t1);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform var(--ease);
}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:16px 20px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--t2)}
.faq-item[open] summary{color:var(--brand)}

/* 收束与 CTA */
.tail-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:26px}
.cta-ink{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--ink);color:var(--inv);padding:30px 22px}
.cta-ink::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(25,20,24,.95) 0%,rgba(25,20,24,.86) 55%,rgba(25,20,24,.72) 100%),url('/assets/images/backpic/back-4.jpg');
  background-size:cover;background-position:center;
}
.cta-ink > *{position:relative;z-index:1}
.cta-ink h3{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:var(--inv);line-height:1.4}
.cta-ink p{margin-top:10px;font-size:15px;color:rgba(255,249,244,.78)}
.cta-ink-grid{display:grid;gap:22px}
@media (min-width:900px){
  .cta-ink{padding:38px 36px}
  .cta-ink-grid{grid-template-columns:1.1fr 1fr;align-items:center;gap:34px}
}
.sub-form label{display:block;font-size:13px;font-weight:700;color:rgba(255,249,244,.85);margin-bottom:8px}
.sub-row{display:flex;flex-wrap:wrap;gap:10px}
.sub-form input{
  flex:1 1 200px;min-width:0;padding:12px 16px;border-radius:999px;border:1px solid rgba(255,249,244,.25);
  background:rgba(255,249,244,.08);color:var(--inv);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.sub-form input::placeholder{color:rgba(255,249,244,.45)}
.sub-form input:focus{outline:none;border-color:var(--brand);background:rgba(255,249,244,.12);box-shadow:0 0 0 3px rgba(255,90,31,.32)}
.sub-form input[aria-invalid="true"]{border-color:#FF7A6B}
.form-error{margin-top:9px;font-size:13px;color:#FF9C8F}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,249,244,.72);padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:760px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}}
.site-footer .logo-text{color:var(--inv)}
.site-footer .logo-text b{color:var(--brand)}
.footer-brand p{margin-top:14px;max-width:340px;font-size:14px;line-height:1.85;color:rgba(255,249,244,.66)}
.footer-col h4{margin:0 0 14px;font-size:15px;font-weight:700;color:var(--inv)}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,249,244,.72)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,249,244,.14);
  font-size:13px;color:rgba(255,249,244,.6);
}
.footer-bottom a:hover{color:var(--brand)}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .card:hover{transform:none}
  .card:hover .cover img{transform:none}
}