/* roulang page: index */
:root{
  --primary:#D9282A;
  --primary-deep:#C22125;
  --orange:#FF7A18;
  --grad-main:linear-gradient(135deg,#D9282A 0%,#FF7A18 100%);
  --dark:#172026;
  --dark-2:#1F2C30;
  --teal:#0D9F97;
  --teal-soft:rgba(13,159,151,0.12);
  --page-bg:#F7F5F2;
  --card-bg:#FFFFFF;
  --text-main:#2A2320;
  --text-muted:#6E625B;
  --line:#E6DFD7;
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --shadow-sm:0 6px 18px rgba(51,32,19,.06);
  --shadow-md:0 14px 34px rgba(51,32,19,.10);
  --shadow-hover:0 18px 40px rgba(217,40,42,.16);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page-bg);color:var(--text-main);font-family:var(--font-sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:84px 0}
.section-tight{padding:56px 0}
.bg-light{background:var(--page-bg)}
.bg-white{background:#fff}
.bg-dark{background:var(--dark);color:#F7F3EE}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--teal);background:var(--teal-soft);border-radius:999px;padding:7px 16px;margin-bottom:16px}
.section-head{max-width:840px;margin-bottom:44px}
.section-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.28;letter-spacing:-.01em;margin:0 0 14px;color:var(--text-main)}
.section-head p{font-size:17px;color:var(--text-muted);margin:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:2px solid transparent;padding:14px 28px;font-size:15px;font-weight:700;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;cursor:pointer;text-align:center;text-decoration:none;white-space:nowrap;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 8px 24px rgba(217,40,42,.24)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(217,40,42,.34);filter:saturate(1.05)}
.btn-primary:active{transform:translateY(0);box-shadow:0 5px 14px rgba(217,40,42,.2)}
.btn-primary:focus-visible{outline:3px solid rgba(255,122,24,.42);outline-offset:3px}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06);box-shadow:none}
.btn-ghost:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.5);outline-offset:3px}
.btn-dark{border-color:#2D383C;color:#fff;background:#243135}
.btn-dark:hover{border-color:#3a474c;transform:translateY(-2px)}
.btn-light{border-color:#E5E0D8;color:var(--text-main);background:#fff;box-shadow:var(--shadow-sm)}
.btn-light:hover{border-color:#cbc2b6;box-shadow:var(--shadow-md);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:4px;color:var(--primary);font-weight:700;font-size:14px;transition:color .2s,gap .2s}
.text-link:hover{color:var(--primary-deep);gap:8px}
.tag{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:5px 13px;font-size:13px;line-height:1.4}
.tag-red{color:#C72A2C;background:rgba(217,40,42,.1)}
.tag-teal{color:var(--teal);background:var(--teal-soft)}
.tag-soft{color:#fff;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.08)}

.site-head{position:sticky;top:0;z-index:200;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(0,0,0,.02)}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 24px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-badge{width:44px;height:44px;border-radius:14px;background:var(--grad-main);color:#fff;font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center;letter-spacing:.05em;box-shadow:0 8px 22px rgba(217,40,42,.28)}
.brand-name{font-size:22px;font-weight:800;letter-spacing:-.01em;color:var(--dark)}
.brand-name small{font-size:15px;font-weight:600;color:var(--text-muted);margin-left:2px}
.head-actions{display:flex;align-items:center;gap:12px;justify-content:flex-end}
.search-check{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.header-search{display:flex;align-items:center;gap:8px;background:#F4F0EA;border:1px solid transparent;border-radius:999px;padding:3px 4px 3px 14px;transition:background .2s,border-color .2s;width:min(420px,40vw)}
.header-search:focus-within{background:#fff;border-color:#E4BCB0;box-shadow:0 0 0 4px rgba(217,40,42,.08)}
.header-search svg{width:18px;height:18px;color:#8A7D73;flex:0 0 auto}
.header-search input{border:0;background:transparent;width:100%;padding:9px 0;font-size:14px;color:var(--text-main);outline:0}
.search-open{display:none;width:42px;height:42px;border-radius:50%;background:#F4F0EA;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.search-open:hover{background:#E9E2D9}
.search-open svg{width:18px;height:18px;color:var(--text-main)}
.head-cta{flex-shrink:0}

.channel-bar{background:var(--dark)}
.channel-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:9px 24px;scrollbar-width:none;-webkit-overflow-scrolling:touch;position:relative}
.channel-inner::-webkit-scrollbar{display:none}
.nav-pill{color:rgba(255,255,255,.72);font-size:15px;font-weight:600;padding:9px 18px;border-radius:999px;background:transparent;transition:background .2s,color .2s;white-space:nowrap;text-decoration:none;flex:0 0 auto}
.nav-pill:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-pill:active{transform:scale(.97)}
.nav-pill.is-active{background:var(--grad-main);color:#fff;box-shadow:0 4px 16px rgba(217,40,42,.3)}
.nav-pill:focus-visible{outline:3px solid rgba(255,122,24,.5);outline-offset:2px}
.channel-fade{display:none}
@media(max-width:599px){
  .channel-inner{padding:8px 18px}
  .section{padding:62px 0}
}

.hero{position:relative;background:linear-gradient(102deg,rgba(16,23,28,.97) 0%,rgba(25,33,39,.86) 48%,rgba(35,45,48,.72) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.hero-inner{padding:74px 0 42px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.hero-title{font-size:clamp(32px,4.1vw,52px);line-height:1.24;letter-spacing:-.02em;font-weight:900;margin:20px 0 20px;color:#fff}
.hero-title span{color:var(--orange);text-shadow:0 4px 24px rgba(255,122,24,.18)}
.hero-desc{font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:560px;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:0 0 30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;list-style:none;margin:0}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9)}
.hero-points li:before{content:"";width:8px;height:8px;border-radius:3px;background:var(--orange);flex:0 0 auto}
.hero-shot{position:relative;max-width:520px;margin-left:auto}
.hero-shot-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-xl);padding:12px;backdrop-filter:blur(8px)}
.hero-shot-card img{border-radius:var(--radius-lg);min-height:250px;object-fit:cover;width:100%}
.hero-shot-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 8px 6px;color:rgba(255,255,255,.88);font-size:14px;flex-wrap:wrap}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:#fff}
.live-dot:before{content:"";width:9px;height:9px;border-radius:50%;background:#FFB054;box-shadow:0 0 0 0 rgba(255,122,24,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,122,24,.7)}70%{box-shadow:0 0 0 9px rgba(255,122,24,0)}100%{box-shadow:0 0 0 0 rgba(255,122,24,0)}}
.hero-badge{position:absolute;z-index:2;top:-14px;right:-14px;background:var(--grad-main);padding:12px 18px;border-radius:18px;font-size:13px;font-weight:700;color:#fff;box-shadow:0 12px 28px rgba(217,40,42,.4);transform:rotate(3deg)}
.hero-badge small{display:block;font-weight:400;opacity:.86}

.hero-metrics{border-top:1px solid rgba(255,255,255,.13);padding:28px 0 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;color:#fff}
.metric-item .metric-num{font-size:34px;font-weight:900;line-height:1.1;display:flex;align-items:baseline;gap:2px}
.metric-item .metric-num i{font-style:normal;font-size:16px;font-weight:700;color:var(--orange)}
.metric-item .metric-label{margin-top:6px;color:rgba(255,255,255,.72);font-size:14px}
@media(max-width:899px){
  .hero-inner{grid-template-columns:1fr;padding-top:56px;gap:40px}
  .hero-shot{max-width:640px;margin:0 auto}
}
@media(max-width:599px){
  .hero-metrics{grid-template-columns:1fr 1fr;gap:24px 16px}
  .metric-item .metric-num{font-size:30px}
  .hero-actions .btn{flex:1 1 auto;width:auto}
}

.feature-wrap{padding-top:84px}
.feat-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:26px}
.feat-main{background:#fff;border-radius:var(--radius-xl);overflow:hidden;border:1px solid #EFEBE4;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.feat-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feat-main-media{position:relative;overflow:hidden}
.feat-main-media img{width:100%;height:280px;object-fit:cover;transition:transform .45s ease}
.feat-main:hover .feat-main-media img{transform:scale(1.025)}
.feat-main-body{padding:34px 34px 38px}
.feat-main h3{font-size:25px;line-height:1.4;letter-spacing:-.01em;margin:14px 0 12px}
.feat-main p{color:var(--text-muted);font-size:16px}
.feat-checklist{list-style:none;margin:20px 0 26px;padding:0;display:grid;gap:10px}
.feat-checklist li{position:relative;padding-left:32px;color:#3E3731;font-size:15px}
.feat-checklist li:before{content:"";position:absolute;left:2px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--grad-main);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='4' d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") center/100% no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='4' d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") center/100% no-repeat;background-color:var(--primary);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='4' stroke-linecap='round' stroke-linejoin='round' preserveAspectRatio='none'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='4' stroke-linecap='round' stroke-linejoin='round' preserveAspectRatio='none'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") center/contain no-repeat}
.feat-right{display:grid;grid-template-rows:1fr 1fr;gap:26px}
.feat-card{background:#fff;border:1px solid #EFEBE4;border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#f0d9d0}
.feat-card h3{font-size:20px;margin:10px 0 8px;line-height:1.45;color:var(--text-main)}
.feat-card .card-desc{font-size:14.5px;color:var(--text-muted);line-height:1.8;margin:0 0 12px}
.feat-card.dark-card{background:var(--dark);border-color:transparent;color:#fff}
.feat-card.dark-card h3{color:#fff}
.feat-card.dark-card .card-desc{color:rgba(255,255,255,.72)}
.feat-card.dark-card:hover{border-color:#2E3C40}
.feat-icon{width:38px;height:38px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--teal-soft);color:var(--teal);font-size:18px;font-weight:800;margin-bottom:2px}
.feat-card.dark-card .feat-icon{background:rgba(255,255,255,.1);color:#fff}
.feat-card.red .feat-icon{background:rgba(217,40,42,.11);color:var(--primary)}
@media(max-width:899px){
  .feat-grid{grid-template-columns:1fr}
  .feat-right{grid-template-columns:1fr;grid-template-rows:none}
}
.feature-wrap{padding-top:64px}

.step-section{position:relative;background:linear-gradient(180deg,#172026 0%,#111B20 100%),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.step-section:before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.18;pointer-events:none}
.step-section .container{position:relative;z-index:2}
.step-section .section-head h2{color:#fff}
.step-section .section-head p{color:rgba(255,255,255,.72)}
.steps-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:step}
.step-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:32px;position:relative;overflow:hidden;backdrop-filter:blur(6px);transition:background .25s,border-color .25s,transform .25s}
.step-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.step-card:before{counter-increment:step;content:"0" counter(step);position:absolute;right:16px;top:8px;font-size:62px;font-weight:900;color:rgba(255,255,255,.08);line-height:1;letter-spacing:-.04em}
.step-card .step-kicker{color:var(--orange);font-weight:800;font-size:15px;margin-bottom:14px}
.step-card h3{margin:0 0 12px;font-size:22px;line-height:1.4}
.step-card p{color:rgba(255,255,255,.74);font-size:15px;margin:0}
.step-note{margin-top:32px;background:rgba(13,159,151,.13);border:1px solid rgba(13,159,151,.35);border-radius:var(--radius-lg);padding:18px 22px;color:#C5F4EE;font-size:14px;line-height:1.8}
@media(max-width:899px){.steps-row{grid-template-columns:1fr}}
@media(max-width:599px){.step-card{padding:26px 24px}}

.news-section{background:var(--page-bg)}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.news-empty{grid-column:1/-1;background:#fff;border:1px dashed #D9CFC3;color:var(--text-muted);text-align:center;padding:40px;border-radius:24px;font-size:15px}
.news-card{position:relative;background:#fff;border-radius:var(--radius-lg);padding:28px;border:1px solid #F0EAE3;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;transition:box-shadow .25s,transform .25s,border-color .25s}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#f0d5ca}
.news-card__top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.news-card__top time{font-size:13px;color:#9C9189}
.news-card__title{font-size:19px;line-height:1.5;color:var(--text-main);margin:0}
.news-card__title a{border-radius:4px;transition:color .2s}
.news-card__title a:hover{color:var(--primary)}
.news-card__excerpt{color:var(--text-muted);font-size:14.5px;line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px}
.news-card__link{margin-top:auto}
@media(max-width:899px){.news-grid{grid-template-columns:1fr}}

.promise-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.promise-media{position:relative}
.promise-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.promise-copy h2{font-size:clamp(28px,3.2vw,42px);line-height:1.3;letter-spacing:-.015em;margin:14px 0 18px}
.promise-copy>p{color:var(--text-muted);font-size:17px;max-width:560px;line-height:1.95}
.promise-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:none;padding:0;list-style:none;border-top:1px solid var(--line);margin-top:28px;padding-top:26px}
.promise-stats li{background:#fff;border-radius:20px;padding:18px 8px;text-align:center;border:1px solid #F0E9E1;transition:transform .2s}
.promise-stats li:hover{transform:translateY(-3px)}
.promise-stats strong{display:block;font-size:28px;line-height:1.2;color:var(--dark);font-weight:900}
.promise-stats strong small{font-size:15px;font-weight:800;color:var(--orange);margin-left:2px}
.promise-stats span{font-size:13px;color:var(--text-muted)}
.topic-groups{margin-top:30px;}
.topic-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-top:1px dashed #E9E2DA;padding:16px 0}
.topic-line .tl-label{font-weight:800;font-size:14px;color:var(--dark)}
.topic-line .soft-tag{display:inline-flex;padding:3px 11px;font-size:13px;color:#5C4F47;background:#F3EEE8;border-radius:999px}
@media(max-width:899px){
 .promise-grid{grid-template-columns:1fr;gap:38px}
 .promise-stats{grid-template-columns:1fr 1fr}
}
@media(max-width:599px){
 .promise-stats{grid-template-columns:1fr 1fr}
 .promise-stats li{padding:14px 8px}
 .promise-stats strong{font-size:23px}
}

.plan-section{background:#fff}
.plan-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:22px;align-items:stretch}
.plan-card{background:#FBF9F6;border:1px solid #ECE5DC;border-radius:var(--radius-lg);padding:32px;display:flex;flex-direction:column;position:relative;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.plan-recommend{background:#fff;border:none;box-shadow:0 18px 40px rgba(51,32,19,.12);overflow:hidden}
.plan-recommend:before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--grad-main)}
.plan-recommend .plan-badge{background:var(--grad-main);color:#fff;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;align-self:flex-start;margin-bottom:18px}
.plan-top h3{margin:0 0 6px;font-size:20px;color:var(--text-main)}
.plan-price{font-size:15px;font-weight:700;color:var(--primary);margin-top:4px}
.plan-desc{color:var(--text-muted);font-size:14.5px;line-height:1.8;margin:10px 0 18px}
.plan-list{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:10px;font-size:14.5px;color:#51463E}
.plan-list li{padding-left:28px;position:relative}
.plan-list li:before{content:"✓";position:absolute;left:0;top:0;width:19px;height:19px;border-radius:50%;background:var(--teal-soft);color:var(--teal);font-weight:900;font-size:11px;display:flex;align-items:center;justify-content:center;line-height:1}
.plan-foot{margin-top:auto}
@media(max-width:899px){.plan-grid{grid-template-columns:1fr}}
@media(min-width:900px) and (max-width:1140px){
 .plan-card{padding:26px}
 .plann-list li{font-size:13.5px}
}
.pricing-note{margin-top:22px;font-size:14px;color:var(--text-muted);background:#F3EEE8;border-radius:16px;padding:14px 20px}

.faq-wrap{background:#fff}
.faq-list{max-width:900px;margin:0 auto}
.faq-panel{background:var(--page-bg);border:1px solid #EAE3DA;border-radius:18px;margin-bottom:14px;transition:box-shadow .2s,border-color .2s}
.faq-panel:hover{border-color:#E0C9BF;box-shadow:var(--shadow-sm)}
.faq-panel[open]{border-color:#E7C4B6;background:#fff;box-shadow:var(--shadow-md)}
.faq-panel summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-size:16.5px;font-weight:700;line-height:1.5;color:var(--text-main);user-select:none}
.faq-panel summary::-webkit-details-marker{display:none}
.faq-num{display:inline-flex;flex:0 0 auto;width:48px;height:48px;border-radius:50%;background:rgba(217,40,42,.09);color:var(--primary);font-weight:800;font-size:15px;align-items:center;justify-content:center;margin-right:14px}
.faq-question{display:flex;align-items:center}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1.5px solid #D2C8BD;position:relative;transition:transform .25s,border-color .25s;background:#fff}
.faq-icon:before,.faq-icon:after{content:"";position:absolute;top:50%;left:50%;background:#8D8379;border-radius:2px;transform:translate(-50%,-50%);transition:background .2s}
.faq-icon:before{width:10px;height:1.5px}
.faq-icon:after{width:1.5px;height:10px}
.faq-panel[open] .faq-icon{transform:rotate(45deg);border-color:var(--primary)}
.faq-panel[open] .faq-icon:before,.faq-panel[open] .faq-icon:after{background:var(--primary)}
.faq-panel .faq-answer{padding:0 52px 26px 100px;color:#5B4F47;font-size:15.5px;line-height:1.95;border-top:1px solid #EDE6DF;padding-top:16px}
@media(max-width:599px){
 .faq-panel .faq-answer{padding:14px 18px}
 .faq-panel summary{padding:17px 18px}
 .faq-answer{font-size:15px}
}

.cta-section{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.cta-section:after{content:"";position:absolute;right:-120px;top:-80px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,24,.28) 0%,rgba(255,122,24,0) 68%);pointer-events:none}
.cta-box{position:relative;z-index:2;background:linear-gradient(135deg,rgba(217,40,42,.14),rgba(255,122,24,.12));border:1px solid rgba(255,122,24,.32);border-radius:34px;overflow:hidden}
.cta-inner{padding:66px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-title{font-size:clamp(28px,3.4vw,42px);line-height:1.35;margin:14px 0 18px;letter-spacing:-.01em}
.cta-sub{color:rgba(255,255,255,.76);font-size:16px;max-width:540px;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-promo{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.08);border-radius:20px;padding:20px}
.cta-promo .promo-icon{font-size:28px}
.cta-promo strong{display:block;font-size:20px}
.cta-promo span{color:rgba(255,255,255,.72);font-size:13.5px}
.cta-promo a{color:var(--orange);font-weight:700;text-decoration:underline;text-underline-offset:4px}
@media(max-width:899px){.cta-inner{grid-template-columns:1fr;padding:44px}}
@media(max-width:599px){.cta-inner{padding:32px 22px}}

.site-footer{background:#12191D;color:rgba(255,255,255,.7)}
.footer-top{padding:64px 0 42px;display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:44px}
.footer-brand .brand-badge{margin-bottom:16px}
.footer-brand .brand-name{color:#fff;display:flex;align-items:center;gap:10px}
.footer-brand .brand-name small{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin:14px 0 0;max-width:350px}
.footer-col h4{color:#fff;font-size:16px;margin:0 0 18px;font-weight:800}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px}
.footer-col ul a{color:rgba(255,255,255,.68);transition:color .2s,padding-left .2s}
.footer-col ul a:hover{color:var(--orange);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:24px 0;font-size:13px;color:rgba(255,255,255,.46)}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.56)}
.footer-bottom a:hover{color:#fff}
@media(max-width:899px){.footer-top{grid-template-columns:1fr 1fr;gap:34px}}
@media(max-width:599px){.footer-top{grid-template-columns:1fr}}

.float-cta{position:fixed;right:24px;bottom:28px;z-index:120;display:flex;align-items:center;gap:10px;background:var(--grad-main);color:#fff;border-radius:999px;padding:12px 22px;font-size:14px;font-weight:700;box-shadow:0 12px 32px rgba(217,40,42,.36);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s;border:0;cursor:pointer;text-decoration:none}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:active{transform:translateY(2px)}
.float-cta:hover{filter:saturate(1.1);box-shadow:0 16px 38px rgba(217,40,42,.44)}
@media(max-width:599px){.float-cta{right:14px;bottom:calc(18px + env(safe-area-inset-bottom));padding:11px 17px;z-index:96}}

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

/* roulang page: category1 */
:root{
  --brand-red:#D9282A;
  --brand-orange:#FF7A18;
  --brand-grad:linear-gradient(135deg,#D9282A 0%,#FF7A18 100%);
  --ink:#172026;
  --ink-soft:#2E373D;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --text:#2B363C;
  --text-weak:#6A767C;
  --line:#E5E0D8;
  --teal:#0D9F97;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 12px rgba(51,32,19,.08);
  --shadow-md:0 8px 22px rgba(51,32,19,.1);
  --shadow-hover:0 16px 36px rgba(217,40,42,.14);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--paper);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease,box-shadow .25s ease,transform .25s ease,background .25s ease}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
::selection{background:rgba(255,122,24,.25);color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;border:none;cursor:pointer;transition:all .25s cubic-bezier(.2,.7,.3,1);font-size:15px;line-height:1;white-space:nowrap}
.btn-primary{background:var(--brand-grad);color:#fff;padding:14px 28px;box-shadow:0 6px 18px rgba(217,40,42,.28)}
.btn-primary:hover{background:linear-gradient(135deg,#e84030 0%,#ff8b3d 100%);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,20,.28);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(217,40,42,.2)}
.btn-outline{background:transparent;border:2px solid var(--ink);color:var(--ink);padding:12px 26px}
.btn-outline:hover{border-color:var(--brand-red);color:var(--brand-red);background:rgba(217,40,42,.04);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink);padding:14px 30px;box-shadow:0 6px 20px rgba(0,0,0,.15)}
.btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.2);color:var(--brand-red)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn:focus-visible,a:focus-visible{outline:3px solid rgba(13,159,151,.55);outline-offset:2px}

/* ---------- 顶部品牌行 ---------- */
.site-head{background:#fff;position:sticky;top:0;z-index:200;box-shadow:0 1px 0 rgba(23,32,38,.06)}
.brand-bar{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:10px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-badge{width:42px;height:42px;border-radius:14px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px;letter-spacing:-.5px;box-shadow:0 4px 12px rgba(217,40,42,.25)}
.brand-name{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.head-actions{display:flex;align-items:center;gap:12px}
.search-check{display:none}
.search-open{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);cursor:pointer;transition:all .2s;background:#fff}
.search-open:hover{border-color:var(--brand-red);color:var(--brand-red)}
.search-open svg{width:20px;height:20px}
.header-search{display:flex;align-items:center;gap:6px;background:var(--paper);border:2px solid transparent;border-radius:999px;padding:8px 16px;width:220px;transition:all .25s}
.header-search:focus-within{border-color:var(--brand-red);background:#fff;box-shadow:0 0 0 4px rgba(217,40,42,.08)}
.header-search svg{width:17px;height:17px;color:var(--text-weak);flex-shrink:0}
.header-search input{border:none;background:transparent;font-size:14px;width:100%;color:var(--text)}
.header-search input:focus{outline:none;border:none;box-shadow:none}
.head-cta{margin-left:4px}
/* 顶部两个 <a> 在导航行中, 用 header-search form 包住 */

/* ---------- 频道导航行 ---------- */
.channel-bar{background:rgba(255,255,255,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid rgba(23,32,38,.05)}
.channel-inner{display:flex;align-items:center;gap:6px;padding-top:8px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none;position:relative}
.channel-inner::-webkit-scrollbar{display:none}
.nav-pill{padding:7px 16px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;border:1px solid transparent;transition:all .2s;flex-shrink:0}
.nav-pill:hover{background:rgba(217,40,42,.08);color:var(--brand-red)}
.nav-pill.is-active{background:var(--brand-grad);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(217,40,42,.25)}

/* ---------- Hero 区域 ---------- */
.cat-hero{background:linear-gradient(180deg,#F1ECE5 0%,#F7F5F2 100%);padding:56px 0 0;overflow:hidden;position:relative}
.cat-hero::before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,24,.12),transparent 70%);right:-120px;top:-90px}
.cat-hero .container{position:relative;z-index:2}
.hero-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-weak);margin-bottom:18px}
.breadcrumb a{color:var(--text-weak)}
.breadcrumb a:hover{color:var(--brand-red)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--ink);font-weight:500}
.cat-hero h1{font-size:46px;line-height:1.2;font-weight:900;color:var(--ink);letter-spacing:-1px;margin-bottom:22px}
.cat-hero h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:17px;color:#4b555c;line-height:1.9;margin-bottom:28px;max-width:560px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px;padding-bottom:40px;border-top:1px solid rgba(0,0,0,.05);padding-top:30px}
.stat-box strong{display:block;font-size:32px;font-weight:900;letter-spacing:-1px;color:var(--ink);line-height:1.1}
.stat-box span{font-size:13px;color:var(--text-weak);display:block;margin-top:2px}
.hero-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 24px 60px rgba(23,32,38,.16);position:relative;height:calc(100% - 90px);min-height:350px;margin:20px 0 40px}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual .visual-tab{position:absolute;left:20px;bottom:18px;background:rgba(23,32,38,.72);backdrop-filter:blur(8px);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;display:flex;align-items:center;gap:8px}
.hero-visual .visual-tab::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--brand-orange);box-shadow:0 0 0 4px rgba(255,122,24,.25)}
.text-btn{display:inline-flex;align-items:center;gap:8px;color:var(--brand-red);font-weight:600;font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px;transition:all .2s}
.text-btn:hover{border-bottom-color:var(--brand-red);gap:12px;color:var(--brand-red)}
.btn-group{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 内容分隔标题 ---------- */
.section-block{padding:88px 0}
.section-block.alt{background:#fff}
.section-block.tinted{background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px;flex-wrap:wrap}
.sec-kicker{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand-red);margin-bottom:10px;text-transform:uppercase}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand-grad)}
.sec-title{font-size:32px;font-weight:900;color:var(--ink);letter-spacing:-.5px;line-height:1.25}
.sec-sub{font-size:16px;color:var(--text-weak);max-width:640px;margin-top:10px;line-height:1.8}

/* ---------- 横向大图列表 ---------- */
.guide-row{display:grid;grid-template-columns:1fr;gap:28px;margin-bottom:28px}
.editorial-card{display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;border:1px solid rgba(0,0,0,.03)}
.editorial-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.editorial-card .ec-media{min-height:240px;position:relative;overflow:hidden}
.editorial-card .ec-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.editorial-card:hover .ec-media img{transform:scale(1.045)}
.ec-card-body{padding:34px 40px;display:flex;flex-direction:column;justify-content:center}
.ec-tag{align-self:flex-start;display:inline-flex;align-items:center;background:rgba(217,40,42,.09);color:var(--brand-red);padding:4px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:14px}
.ec-card-body h2{font-size:25px;font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:12px;letter-spacing:-.3px}
.ec-card-body p{color:var(--text-weak);font-size:15px;line-height:1.85;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ec-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:#8b938f;margin-top:auto}
.ec-meta span{display:inline-flex;align-items:center;gap:6px}

/* ---------- 板块内容 ---------- */
.feature-split{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.feature-panel{background:#fff;border-radius:var(--radius-lg);padding:36px 34px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(0,0,0,.03)}
.feature-panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-panel .fp-index{font-size:46px;font-weight:900;line-height:1;letter-spacing:-2px;color:transparent;-webkit-text-stroke:1.5px rgba(217,40,42,.4);margin-bottom:16px;display:block}
.feature-panel h3{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:12px}
.feature-panel p{color:var(--text-weak);font-size:15px;line-height:1.85}
.feature-panel ul{margin-top:16px;display:grid;gap:8px}
.feature-panel ul li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:#5d6869}
.feature-panel ul li::before{content:"✓";color:var(--teal);font-weight:800;flex-shrink:0;background:rgba(13,159,151,.1);width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:11px;margin-top:3px}
.impact-strip{background:var(--ink);border-radius:var(--radius-lg);color:#fff;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;margin-top:34px}
.impact-text{padding:44px 42px}
.impact-text h3{font-size:27px;font-weight:800;margin-bottom:14px;letter-spacing:-.4px}
.impact-text p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85}
.impact-stats{background:rgba(255,255,255,.04);padding:34px 42px;display:flex;flex-direction:column;justify-content:center;gap:22px;border-left:1px solid rgba(255,255,255,.07)}
.impact-stat{display:flex;align-items:baseline;gap:10px}
.impact-stat strong{font-size:38px;font-weight:900;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px;line-height:1}
.impact-stat span{color:rgba(255,255,255,.65);font-size:14px}

/* ---------- 场景导读 ---------- */
.scene-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.scene-list{display:grid;gap:12px}
.scene-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.03);transition:all .3s}
.scene-item:hover{transform:translateX(6px);box-shadow:var(--shadow-hover);border-color:rgba(217,40,42,.12)}
.scene-num{width:38px;height:38px;background:var(--brand-grad);border-radius:12px;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex-shrink:0;box-shadow:0 4px 10px rgba(217,40,42,.2)}
.scene-item h4{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:3px}
.scene-item p{font-size:14px;color:var(--text-weak);line-height:1.7}
.scene-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:360px;box-shadow:0 24px 66px rgba(23,32,38,.15)}
.scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.scene-float{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border-radius:var(--radius-md);padding:16px 20px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow-md)}
.scene-float i{width:44px;height:44px;border-radius:50%;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-style:normal;font-weight:800;font-size:18px}
.scene-float div strong{display:block;font-size:17px;color:var(--ink);line-height:1.2}
.scene-float div span{font-size:13px;color:var(--text-weak)}

/* ---------- 阅读导读/资讯 ---------- */
.read-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.read-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;border:1px solid rgba(0,0,0,.03)}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.read-card .read-thumb{height:145px;position:relative;overflow:hidden}
.read-card .read-thumb img{width:100%;height:100%;object-fit:cover}
.read-card .read-body{padding:22px 24px;display:flex;flex-direction:column;flex:1}
.read-card .read-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:10px;transition:color .2s}
.read-card:hover .read-body h3{color:var(--brand-red)}
.read-card .read-body p{font-size:14px;color:var(--text-weak);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;margin-bottom:14px}
.read-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:13px;color:#98a09d;border-top:1px solid var(--line);padding-top:14px}
.read-meta a{color:var(--brand-red);font-weight:600;font-size:13px}
.read-meta a:hover{text-decoration:underline}
.chip{display:inline-flex;background:rgba(217,40,42,.08);color:var(--brand-red);padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}

/* ---------- 服务流程 / 步骤 ---------- */
.flow-stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;position:relative}
.flow-item{background:#fff;border-radius:var(--radius-md);padding:26px 20px 22px;box-shadow:var(--shadow-sm);position:relative;border-top:4px solid transparent;transition:all .3s}
.flow-item:nth-child(1){border-top-color:var(--brand-red)}
.flow-item:nth-child(2){border-top-color:var(--brand-orange)}
.flow-item:nth-child(3){border-top-color:#e0a33f}
.flow-item:nth-child(4){border-top-color:var(--teal)}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.flow-icon{width:38px;height:38px;border-radius:12px;background:rgba(217,40,42,.08);display:flex;align-items:center;justify-content:center;color:var(--brand-red);font-weight:800;font-size:17px;margin-bottom:14px}
.flow-item h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px}
.flow-item p{font-size:13px;color:var(--text-weak);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-area{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius-md);margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid var(--line);transition:box-shadow .3s}
.faq-item:hover{box-shadow:var(--shadow-md)}
.faq-question{width:100%;text-align:left;background:none;border:none;padding:20px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px;font-weight:600;color:var(--ink);transition:all .2s}
.faq-question:hover{color:var(--brand-red)}
.faq-question .faq-icon{position:relative;width:24px;height:24px;flex-shrink:0}
.faq-question .faq-icon::before,.faq-question .faq-icon::after{content:"";position:absolute;background:var(--brand-red);border-radius:3px;transition:transform .3s}
.faq-question .faq-icon::before{width:2px;height:20px;top:2px;left:11px}
.faq-question .faq-icon::after{width:20px;height:2px;top:11px;left:2px}
.faq-item.open .faq-question .faq-icon::before{transform:scaleY(0)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--text-weak);background:#fff}
.faq-answer p{padding:0 24px 22px;font-size:15px;line-height:1.85}

/* ---------- 表格 ---------- */
.tour-table{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.03)}
.tour-table table{width:100%;border-collapse:collapse;margin:0;background:#fff}
.tour-table th{background:var(--ink);color:#fff;font-weight:600;font-size:14px;padding:14px 16px;text-align:left}
.tour-table td{padding:13px 16px;font-size:14px;border-top:1px solid #f4efe8;color:var(--text)}
.tour-table tr:nth-child(even) td{background:#FBFAF8}
.tour-table tr:hover td{background:rgba(255,122,24,.04)}
.tour-table .badge-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand-red);margin-right:8px}
.tour-table .badge-dot.green{background:var(--teal)}
.tour-table .badge-dot.orange{background:var(--brand-orange)}

/* ---------- 彩色分割CTA ---------- */
.cta-banner{background:var(--ink);border-radius:var(--radius-lg);display:grid;grid-template-columns:1.2fr .8fr;overflow:hidden;position:relative}
.cta-banner::before{content:"";position:absolute;right:-100px;top:-100px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,24,.22),transparent 65%)}
.cta-pad{padding:46px 44px;position:relative;z-index:2}
.cta-banner h2{color:#fff;font-size:31px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px;line-height:1.35}
.cta-banner p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:24px;max-width:500px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-badge{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:28px 32px;gap:14px;position:relative;z-index:2}
.cta-badge .cb-item{display:flex;align-items:center;gap:12px}
.cta-badge .cb-num{background:var(--brand-grad);width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px}
.cta-badge .cb-text strong{display:block;color:#fff;font-size:15px;line-height:1.2}
.cta-badge .cb-text span{color:rgba(255,255,255,.6);font-size:13px}

/* ---------- 分页 UI ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:46px;flex-wrap:wrap}
.page-btn{min-width:42px;height:42px;padding:0 16px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text);display:inline-flex;align-items:center;justify-content:center;transition:all .25s}
.page-btn:hover{border-color:var(--brand-red);color:var(--brand-red);transform:translateY(-2px)}
.page-btn.is-active{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 4px 14px rgba(217,40,42,.22)}
.page-dots{color:var(--text-weak);padding:6px 4px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:60px 0 0;margin-top:90px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{color:rgba(255,255,255,.58);font-size:14px;line-height:1.85;margin-top:16px;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--brand-grad);border-radius:2px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;transition:all .25s}
.footer-col a:hover{color:#fff;padding-left:5px}
.footer-col li:not(a){color:rgba(255,255,255,.5);font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:13px}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom span{color:rgba(255,255,255,.45)}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:13px;transition:all .25s}
.footer-bottom a:hover{color:var(--brand-orange)}

/* ---------- Foundation 覆盖 ---------- */
@media screen and (min-width:64em){
  .container{max-width:1200px}
}
/* ---------- 响应式断点 ---------- */
@media screen and (max-width:1023px){
  .hero-intro{grid-template-columns:1fr;gap:10px}
  .hero-visual{min-height:300px;height:auto;margin-bottom:40px}
  .impact-strip{grid-template-columns:1fr}
  .impact-stats{border-top:1px solid rgba(255,255,255,.08);border-left:none}
  .scene-wrap{grid-template-columns:1fr}
  .scene-media{min-height:320px;position:relative}
  .read-strip,.feature-split{grid-template-columns:1fr 1fr}
  .flow-stepper{grid-template-columns:1fr 1fr;gap:16px}
  .guide-row{grid-template-columns:1fr}
  .editorial-card{grid-template-columns:1fr}
  .ec-media{min-height:220px}
  .cta-banner{grid-template-columns:1fr}
  .cta-pad{padding:36px 32px 20px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}

@media screen and (max-width:639px){
  .container{padding:0 18px}
  .section-block{padding:56px 0}
  .cat-hero{padding:36px 0 0}
  .cat-hero h1{font-size:34px;letter-spacing:-.5px;margin-bottom:16px}
  .hero-desc{font-size:15px}
  .brand-bar{flex-wrap:wrap}
  .brand-badge{width:36px;height:36px;font-size:15px;border-radius:10px}
  .brand-name{font-size:19px}
  .brand .brand-badge + .brand-name{white-space:nowrap}
  .head-actions{gap:8px}
  .head-cta{display:none!important}
  .search-open{display:flex}
  .header-search{position:absolute;top:calc(100% - 4px);left:0;right:0;width:100%;background:#fff;border-radius:0;padding:12px 20px;border:none;box-shadow:0 16px 30px rgba(0,0,0,.18);transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .22s}
  .search-check:checked ~ .header-search{transform:translateY(0);opacity:1;pointer-events:auto;top:100%}
  .head-actions{position:relative}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 12px}
  .stat-box strong{font-size:28px}
  .feature-split{grid-template-columns:1fr}
  .read-strip{grid-template-columns:1fr}
  .flow-stepper{grid-template-columns:1fr}
  .scene-item{padding:18px}
  .ec-card-body{padding:24px 22px}
  .ec-card-body h2{font-size:21px}
  .editorial-card .ec-media{min-height:190px}
  .category-grid-slim{grid-template-columns:1fr!important}
  .footer-top{grid-template-columns:1fr}
  .cta-pad{padding:32px 22px}
  .sec-title{font-size:25px}
  .sec-kicker::before{width:16px}
  .tag-row{overflow-x:auto;scrollbar-width:none}
  .tag-row::-webkit-scrollbar{display:none}
  .pagination{gap:4px}
  .page-btn{min-width:36px;height:36px;padding:0 10px}
  .tour-table{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tour-table table{min-width:640px}
  .footer-bottom .container{flex-direction:column;align-items:center}
  .footer-bottom .container a{margin-top:6px}
}

/* Channel tab horizontal scroll on small */
@media screen and (max-width:640px){
  .channel-inner{padding:6px 16px 8px;gap:4px}
  .nav-pill{padding:6px 12px;font-size:14px}
  .header-search{top:calc(100% + 6px)!important;left:0;}
  .head-cta{display:none!important}
}

/* 固定悬浮 CTA */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:150;display:flex;flex-direction:column;align-items:center;gap:10px}
.float-cta .btn{box-shadow:0 12px 30px rgba(217,40,42,.35)}
.float-cta .btn:hover{transform:translateY(-3px)}
.float-cta .float-label{background:rgba(255,255,255,.85);backdrop-filter:blur(8px);font-size:12px;color:var(--ink);padding:4px 12px;border-radius:999px;box-shadow:var(--shadow-sm);line-height:1.4}
@media screen and (max-width:640px){
  .float-cta{right:16px;bottom:16px}
  .float-cta .btn{box-shadow:0 10px 24px rgba(217,40,42,.4)}
}

.faq-item.open .faq-answer{max-height:300px}

/* roulang page: article */
:root {
    --c-red: #d9282a;
    --c-red-deep: #b91f24;
    --c-orange: #ff7a18;
    --c-ink: #172026;
    --c-ink-soft: #233138;
    --c-bg: #f7f5f2;
    --c-card: #ffffff;
    --c-teal: #0d9f97;
    --c-text: #2d343a;
    --c-text-soft: #6b7076;
    --c-border: #e5e0d8;
    --c-line-soft: #efebe4;
    --grad-main: linear-gradient(135deg, #d9282a, #ff7a18);
    --grad-dark: linear-gradient(135deg, #172026, #26353d);
    --shadow-sm: 0 4px 12px rgba(51, 32, 19, 0.06);
    --shadow-md: 0 10px 24px rgba(51, 32, 19, 0.08);
    --shadow-lg: 0 18px 44px rgba(51, 32, 19, 0.12);
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
}

*, *:before, *:after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    line-height: 1.75;
    font-size: 16px;
}

body {
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease, background-color .25s ease, box-shadow .25s ease, border-color .25s ease, transform .25s ease;
}

ul, ol, dl, dd, p, figure, blockquote {
    margin: 0;
    padding: 0;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 24px;
    border-radius: var(--radius-pill);
    border: 0;
    font-weight: 700;
    font-size: 15px;
    line-height: 1.2;
    white-space: nowrap;
    transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, color .25s ease, border-color .25s ease;
    cursor: pointer;
}

.btn-primary {
    color: #fff;
    background: var(--grad-main);
    box-shadow: 0 8px 18px rgba(217, 40, 42, 0.22);
}

.btn-primary:hover, .btn-primary:focus {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(217, 40, 42, 0.32);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 4px 10px rgba(217, 40, 42, 0.24);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--c-border);
    color: var(--c-ink);
    box-shadow: inset 0 0 0 0 transparent;
}

.btn-outline:hover, .btn-outline:focus {
    border-color: var(--c-red);
    color: var(--c-red);
    background: rgba(217, 40, 42, 0.05);
    transform: translateY(-2px);
}

.btn-outline:active {
    transform: translateY(1px);
}

.btn-sm {
    min-height: 38px;
    padding: 7px 18px;
    font-size: 14px;
}

.btn-lg {
    min-height: 52px;
    padding: 14px 32px;
    font-size: 16px;
}

/* ========== Header / Nav ========== */

.site-head {
    position: relative;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-line-soft);
    z-index: 20;
}

.brand-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 72px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    color: #fff;
    background: var(--grad-main);
    font-size: 16px;
    font-weight: 900;
    letter-spacing: .5px;
    box-shadow: 0 8px 20px rgba(217, 40, 42, 0.3);
}

.brand-name {
    display: block;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--c-ink);
    line-height: 1.1;
}

.head-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    min-width: 0;
}

.search-check {
    display: none;
}

.search-open {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    cursor: pointer;
}

.search-open svg {
    width: 20px;
    height: 20px;
}

.header-search {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 260px;
    height: 42px;
    padding: 0 16px;
    background: #fff;
    border: 1.5px solid var(--c-border);
    border-radius: var(--radius-pill);
    transition: border-color .25s ease, box-shadow .25s ease;
}

.header-search:focus-within {
    border-color: var(--c-red);
    box-shadow: 0 0 0 4px rgba(217, 40, 42, 0.12);
}

.header-search svg {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    color: #8a8f94;
}

.header-search input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 14px;
    color: var(--c-text);
}

.header-search input::placeholder {
    color: #aab0b5;
}

.head-cta {
    flex: 0 0 auto;
}

.channel-bar {
    border-top: 1px solid var(--c-line-soft);
}

.channel-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding-top: 10px;
    padding-bottom: 10px;
    scrollbar-width: none;
}

.channel-inner::-webkit-scrollbar {
    display: none;
}

.nav-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 40px;
    padding: 8px 20px;
    color: var(--c-ink-soft);
    background: transparent;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.nav-pill:hover {
    color: var(--c-red);
    background: rgba(217, 40, 42, 0.07);
}

.nav-pill:focus-visible {
    outline: 3px solid rgba(217, 40, 42, 0.35);
    outline-offset: 1px;
}

.nav-pill.is-active {
    color: #fff;
    background: var(--grad-main);
    box-shadow: 0 6px 16px rgba(217, 40, 42, 0.22);
}

/* ========== Article main ========== */

.article-wrap {
    padding: 42px 0 60px;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--c-text-soft);
    margin-bottom: 24px;
}

.breadcrumbs a {
    color: var(--c-text-soft);
    transition: color .2s ease;
}

.breadcrumbs a:hover {
    color: var(--c-red);
}

.breadcrumbs .crumb-arrow {
    color: #c4bdb4;
}

.breadcrumbs .crumb-current {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--c-text);
    font-weight: 500;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
    align-items: start;
}

.article-main-col {
    min-width: 0;
}

.article-box {
    width: 100%;
    max-width: 760px;
    margin-left: auto;
}

.article-card {
    background: var(--c-card);
    border: 1px solid var(--c-line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.article-card-head {
    padding: 34px 42px 26px;
    border-bottom: 1px solid var(--c-line-soft);
}

.article-kicker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
}

.article-kicker .cat-tag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    background: rgba(217, 40, 42, 0.08);
    color: var(--c-red);
    font-size: 13px;
    font-weight: 700;
}

.article-kicker .read-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--c-text-soft);
}

.article-title {
    margin: 0;
    color: var(--c-ink);
    font-size: 36px;
    line-height: 1.25;
    font-weight: 900;
    letter-spacing: -1px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px dashed var(--c-line-soft);
    font-size: 14px;
    color: var(--c-text-soft);
}

.article-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-hero-figure {
    margin: 26px 42px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.article-hero-figure img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 8;
    object-fit: cover;
}

.article-body {
    padding: 34px 42px 8px;
    font-size: 16.5px;
    line-height: 2;
    color: #3a4148;
    word-break: break-word;
}

.article-body > * + * {
    margin-top: 1.15em;
}

.article-body h1,
.article-body h2 {
    color: var(--c-ink);
    font-weight: 850;
    line-height: 1.4;
    letter-spacing: -0.3px;
}

.article-body h2 {
    font-size: 26px;
    margin-top: 1.7em;
}

.article-body h3 {
    color: var(--c-ink);
    font-size: 20px;
    font-weight: 800;
    margin-top: 1.6em;
}

.article-body p {
    margin: 0;
}

.article-body a {
    color: var(--c-red);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    color: var(--c-orange);
}

.article-body ul,
.article-body ol {
    padding-left: 1.5em;
    margin: 1.1em 0;
}

.article-body li + li {
    margin-top: 0.45em;
}

.article-body blockquote {
    background: #fbf7f1;
    border-left: 4px solid var(--c-orange);
    border-radius: 0 12px 12px 0;
    padding: 18px 22px;
    color: #596068;
    font-style: normal;
}

.article-body pre {
    background: var(--c-ink);
    color: #f2ede5;
    border-radius: var(--radius-md);
    padding: 20px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.7;
}

.article-body code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.article-body code:not([class^="language-"]) {
    background: #f0ede8;
    border-radius: 6px;
    padding: 2px 7px;
    font-size: 0.9em;
    color: var(--c-red-deep);
}

.article-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 0 rgba(0,0,0,0.02);
}

.article-body th,
.article-body td {
    border: 1px solid var(--c-border);
    padding: 12px 14px;
    text-align: left;
}

.article-body th {
    background: #f4f1eb;
    color: var(--c-ink);
    font-weight: 700;
}

.article-body img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.article-tags-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 28px 42px;
    border-top: 1px solid var(--c-line-soft);
}

.tags-label {
    font-size: 14px;
    color: var(--c-text-soft);
    font-weight: 600;
    margin-right: 2px;
}

.tag-link {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 5px 15px;
    border-radius: var(--radius-pill);
    background: #f6f3ee;
    color: #5b6268;
    font-size: 13px;
    transition: background-color .2s ease, color .2s ease;
}

.tag-link:hover {
    background: rgba(217, 40, 42, 0.1);
    color: var(--c-red);
}

/* Article cta row */
.article-read-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: 0 42px 36px;
}

.read-nav-card {
    background: #fbf8f4;
    border: 1px solid var(--c-line-soft);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.read-nav-card:hover {
    border-color: rgba(217, 40, 42, 0.24);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.read-nav-card .read-nav-label {
    font-size: 12px;
    color: var(--c-text-soft);
    letter-spacing: 0.05em;
}

.read-nav-card strong {
    color: var(--c-ink);
    font-size: 15px;
    font-weight: 700;
}

/* Sidebar */

.article-side {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.side-panel {
    background: var(--c-card);
    border: 1px solid var(--c-line-soft);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.side-panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 18px;
    font-size: 17px;
    font-weight: 800;
    color: var(--c-ink);
}

.side-panel-title::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 18px;
    border-radius: 4px;
    background: var(--grad-main);
}

.side-nav-list,
.side-text-list {
    list-style: none;
    margin: 0;
}

.side-nav-list a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 9px 10px;
    border-radius: 10px;
    color: var(--c-ink-soft);
    font-size: 15px;
    font-weight: 500;
    gap: 10px;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.side-nav-list a:hover {
    background: rgba(217, 40, 42, 0.06);
    color: var(--c-red);
    transform: translateX(3px);
}

.side-nav-list .side-nav-num {
    margin-left: auto;
    font-size: 12px;
    color: var(--c-text-soft);
}

.side-cover-list {
    list-style: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.side-cover-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--c-text);
    transition: opacity .2s ease;
}

.side-cover-list a:hover {
    opacity: 0.85;
}

.side-cover-list img {
    width: 78px;
    height: 62px;
    flex: 0 0 auto;
    object-fit: cover;
    border-radius: 10px;
}

.side-cover-list strong {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--c-ink);
}

.side-contact-text {
    font-size: 14px;
    color: var(--c-text-soft);
    line-height: 1.8;
    margin-bottom: 16px;
}

.side-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.side-form input[type="search"] {
    width: 100%;
    height: 44px;
    border: 1.5px solid var(--c-border);
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    outline: 0;
    color: var(--c-text);
    transition: border-color .25s ease, box-shadow .25s ease;
    margin: 0;
}

.side-form input[type="search"]:focus {
    border-color: var(--c-red);
    box-shadow: 0 0 0 4px rgba(217, 40, 42, 0.12);
}

.side-form .btn {
    width: 100%;
}

/* empty state */
.article-empty {
    max-width: 720px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--c-line-soft);
    border-radius: var(--radius-lg);
    padding: 80px 34px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.article-empty-eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 4px 15px;
    font-size: 13px;
    border-radius: 999px;
    background: rgba(217, 40, 42, 0.08);
    color: var(--c-red);
    font-weight: 700;
}

.article-empty h1 {
    margin: 20px 0 10px;
    color: var(--c-ink);
    font-size: 30px;
    font-weight: 900;
}

.article-empty p {
    color: var(--c-text-soft);
    max-width: 460px;
    margin: 0 auto 26px;
}

/* related section */

.related-section {
    margin-top: 56px;
}

.related-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.related-head .sec-kicker {
    display: block;
    font-size: 13px;
    color: var(--c-red);
    font-weight: 700;
    letter-spacing: .2em;
    margin-bottom: 4px;
}

.related-head h2 {
    margin: 0;
    color: var(--c-ink);
    font-size: 26px;
    font-weight: 850;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.related-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--c-line-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.related-card .related-body {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.related-card .label {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-red);
}

.related-card h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 800;
    color: var(--c-ink);
    line-height: 1.45;
}

.related-card p {
    font-size: 13.5px;
    color: var(--c-text-soft);
    line-height: 1.7;
    flex: 1;
}

.related-card .text-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-red);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.related-card .text-link:hover {
    color: var(--c-orange);
}

/* final CTA */

.page-bottom-cta {
    margin-top: 64px;
    background: var(--grad-dark);
    color: #f3efe8;
    border-radius: var(--radius-lg);
    padding: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.page-bottom-cta::after {
    content: "";
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 122, 24, 0.24), transparent 60%);
    position: absolute;
    right: -30px;
    top: -60px;
    pointer-events: none;
}

.page-bottom-cta .cta-text h2 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 850;
    line-height: 1.4;
}

.page-bottom-cta .cta-text p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.76);
    max-width: 600px;
}

.page-bottom-cta .cta-actions {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ========== Footer ========== */

.site-footer {
    margin-top: 40px;
    background: var(--c-ink);
    color: #b6bec5;
    font-size: 14px;
    line-height: 1.7;
}

.site-footer .container {
    max-width: 1200px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 34px;
    padding-top: 56px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .brand {
    margin-bottom: 14px;
}

.footer-brand .brand-badge {
    width: 36px;
    height: 36px;
    font-size: 14px;
    border-radius: 12px;
}

.footer-brand .brand-name {
    color: #fff;
}

.footer-brand p {
    color: #9ba4ac;
    line-height: 1.9;
    margin: 12px 0 0;
    max-width: 300px;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 14px;
}

.footer-col ul {
    list-style: none;
    margin: 0;
}

.footer-col li {
    padding: 3px 0;
}

.footer-col a {
    color: #b6bec5;
}

.footer-col a:hover,
.footer-col a:focus {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.16);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 18px;
    padding-bottom: 18px;
    color: #98a2aa;
    font-size: 13px;
}

.footer-bottom a {
    color: #d7dde1;
}

.footer-bottom a:hover {
    color: #fff;
}

/* ========== Responsive ========== */

@media (max-width: 1023px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-box {
        margin: 0;
    }

    .article-side {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
    }

    .article-side .side-panel:last-child {
        grid-column: 1 / -1;
    }

    .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .related-grid .related-card:last-child {
        grid-column: 1 / -1;
    }

    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 820px) {
    .article-card-head {
        padding: 28px 28px 18px;
    }

    .article-hero-figure {
        margin: 18px 28px 0;
    }

    .article-body {
        padding: 28px 28px 6px;
    }

    .article-tags-block {
        padding: 20px 28px;
    }

    .article-read-row {
        padding-left: 28px;
        padding-right: 28px;
    }

    .article-title {
        font-size: 30px;
    }

    .page-bottom-cta {
        padding: 32px 24px;
    }
}

@media (max-width: 640px) {
    .brand-badge {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        font-size: 14px;
    }

    .brand-name {
        font-size: 19px;
    }

    .brand-bar {
        min-height: 62px;
        gap: 10px;
    }

    .head-cta {
        display: none;
    }

    .search-open {
        display: inline-flex;
    }

    .header-search {
        display: none;
        position: absolute;
        right: 16px;
        top: 70px;
        left: 16px;
        width: auto;
        background: #fff;
        box-shadow: var(--shadow-lg);
        border-radius: 14px;
        z-index: 40;
    }

    .search-check:checked ~ .header-search {
        display: flex;
    }

    .channel-inner {
        gap: 6px;
    }

    .nav-pill {
        padding: 7px 16px;
        min-height: 36px;
        font-size: 14px;
    }

    .article-wrap {
        padding-top: 24px;
    }

    .breadcrumbs {
        margin-bottom: 18px;
    }

    .article-layout {
        gap: 22px;
    }

    .article-card-head {
        padding: 22px 20px 16px;
    }

    .article-title {
        font-size: 25px;
    }

    .article-meta {
        gap: 12px;
        font-size: 13px;
    }

    .article-hero-figure {
        margin: 16px 20px 0;
    }

    .article-body {
        padding: 22px 20px 4px;
        font-size: 16px;
        line-height: 1.95;
    }

    .article-tags-block {
        padding: 18px 20px;
    }

    .article-read-row {
        grid-template-columns: 1fr;
        padding: 0 20px 24px;
    }

    .article-side {
        grid-template-columns: 1fr;
    }

    .article-side .side-panel:last-child {
        grid-column: auto;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .related-grid .related-card:last-child {
        grid-column: auto;
    }

    .related-head h2 {
        font-size: 22px;
    }

    .page-bottom-cta {
        margin-top: 44px;
        padding: 28px 20px;
    }

    .page-bottom-cta .cta-text h2 {
        font-size: 21px;
    }

    .page-bottom-cta .cta-actions .btn {
        width: 100%;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 40px;
    }

    .footer-bottom .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-bottom a {
        width: 100%;
        text-align: right;
    }
}

@media (max-width: 380px) {
    .head-actions {
        gap: 4px;
    }

    .nav-pill {
        font-size: 13px;
        padding: 6px 13px;
    }

    .article-title {
        font-size: 23px;
    }
}

/* focus visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
label:focus-visible {
    outline: 3px solid rgba(217, 40, 42, 0.28);
    outline-offset: 2px;
}

/* roulang page: category2 */
:root {
  --brand: #D9282A;
  --orange: #FF7A18;
  --grad: linear-gradient(135deg, #D9282A 0%, #FF7A18 100%);
  --ink: #172026;
  --ink-soft: #202D34;
  --bg: #F7F5F2;
  --card: #FFFFFF;
  --text: #2A3340;
  --muted: #6E7680;
  --line: #E5E0D8;
  --teal: #0D9F97;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow: 0 6px 18px rgba(51, 32, 19, .08);
  --shadow-hover: 0 14px 32px rgba(51, 32, 19, .14);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  --num: "Arial Narrow", "Roboto Condensed", "PingFang SC", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.3;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 92px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--brand);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 4px;
  border-radius: 99px;
  background: var(--grad);
}

.section-head {
  max-width: 700px;
  margin-bottom: 42px;
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -1px;
}

.section-head p {
  margin: 16px 0 0;
  font-size: 16px;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 24px rgba(217, 40, 42, .22);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(217, 40, 42, .3);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(217, 40, 42, .2);
}

.btn-primary:focus-visible,
.nav-pill:focus-visible,
.search-open:focus-visible,
.faq-card summary:focus-visible,
.site-footer a:focus-visible,
.quick-anchor a:focus-visible {
  outline: 3px solid rgba(217, 40, 42, .3);
  outline-offset: 3px;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-ghost:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-sm {
  padding: 10px 17px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 30px;
  font-size: 16px;
}

/* Header */
.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 242, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--grad);
  border-radius: 13px;
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -1px;
  box-shadow: 0 5px 14px rgba(217, 40, 42, .26);
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -1px;
  white-space: nowrap;
}

.head-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex: 1;
  position: relative;
}

.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  width: min(320px, 40vw);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.header-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(217, 40, 42, .08);
}

.header-search svg {
  width: 18px;
  height: 18px;
  color: var(--muted);
  flex-shrink: 0;
}

.header-search input {
  border: 0;
  outline: 0;
  background: transparent;
  width: 100%;
  font-size: 14px;
  color: var(--text);
  font-family: var(--font);
}

.search-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.search-open {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .2s ease;
}

.search-open svg {
  width: 18px;
  height: 18px;
}

.search-open:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.channel-bar {
  border-top: 1px solid rgba(229, 224, 216, .65);
}

.channel-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-top: 8px;
  padding-bottom: 10px;
  scrollbar-width: none;
}

.channel-inner::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  flex: 0 0 auto;
  padding: 8px 17px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  background: transparent;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.nav-pill:hover {
  background: #F0DFD8;
  color: var(--brand);
}

.nav-pill.is-active {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 18px rgba(217, 40, 42, .2);
}

.nav-pill.is-active:hover {
  color: #fff;
  transform: translateY(-1px);
}

/* Hero */
.guide-hero {
  position: relative;
  color: #fff;
  padding: 96px 0 72px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.guide-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 20%, rgba(255, 122, 24, .16), transparent 36%);
  pointer-events: none;
}

.guide-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 56px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .13);
  border: 1px solid rgba(255, 255, 255, .25);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #fff;
}

.hero-tag i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  display: inline-block;
}

.guide-hero h1 {
  margin: 24px 0 20px;
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.14;
  color: #fff;
}

.guide-hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #FFB59D, #FFD8A8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.guide-hero p.lead {
  max-width: 550px;
  font-size: 17px;
  color: rgba(255, 255, 255, .82);
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-actions .btn-primary {
  box-shadow: 0 12px 28px rgba(255, 122, 24, .3);
}

.hero-actions .btn-ghost {
  background: rgba(255, 255, 255, .08);
  border: 1.5px solid rgba(255, 255, 255, .7);
  color: #fff;
  backdrop-filter: blur(4px);
}

.hero-actions .btn-ghost:hover {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

.hero-card {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 28px;
  padding: 28px;
  backdrop-filter: blur(8px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, .22);
  transform: rotate(1.2deg);
}

.hero-card h2 {
  font-size: 19px;
  color: #fff;
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-card h2 small {
  font-weight: 500;
  font-size: 12px;
  padding: 5px 11px;
  background: rgba(255, 122, 24, .2);
  border: 1px solid rgba(255, 122, 24, .35);
  border-radius: 999px;
  color: #FFC89A;
}

.hero-card ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-card li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, .88);
  font-size: 14px;
  background: rgba(255, 255, 255, .07);
  border-radius: 14px;
  padding: 12px 14px;
}

.hero-card li i {
  font-style: normal;
  font-family: var(--num);
  font-weight: 800;
  font-size: 14px;
  color: var(--orange);
  background: rgba(255, 122, 24, .14);
  border-radius: 8px;
  min-width: 34px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-stats {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .16);
  padding-top: 26px;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-family: var(--num);
  font-size: 30px;
  line-height: 1.2;
  font-weight: 800;
  background: linear-gradient(120deg, #fff, #FFD8A8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-stats span {
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
  margin-top: 3px;
}

/* page jump */
.page-jump {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.jump-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  padding-bottom: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.jump-inner::-webkit-scrollbar {
  display: none;
}

.jump-inner span {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.quick-anchor {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 15px;
  transition: all .2s ease;
}

.quick-anchor:hover {
  color: var(--brand);
  background: #F9ECE8;
  border-color: rgba(217, 40, 42, .25);
  transform: translateY(-1px);
}

/* overview */
.watch-overview {
  background: #fff;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: center;
}

.split-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.split-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 18px 18px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.split-item:hover {
  transform: translateX(4px);
  background: #fff;
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.split-item b {
  width: 42px;
  height: 42px;
  background: var(--grad);
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--num);
}

.split-item h3 {
  font-size: 17px;
  margin: 0;
}

.split-item p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.overview-media {
  position: relative;
}

.overview-media img,
.visual-card,
.device-card-img img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.overview-media::before {
  content: "";
  position: absolute;
  left: -14px;
  bottom: -12px;
  width: 80%;
  height: 60%;
  background: linear-gradient(120deg, rgba(217, 40, 42, .15), rgba(255, 122, 24, .2));
  border-radius: var(--radius-lg);
  z-index: 0;
}

.overview-media img {
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-hover);
}

.media-note {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  background: rgba(23, 32, 38, .92);
  color: #fff;
  font-size: 13px;
  padding: 12px 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
}

.media-note i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

/* step flow */
.prepare-flow {
  background: var(--bg);
}

.prepare-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.prepare-top .section-head {
  margin-bottom: 0;
}

.prepare-note {
  max-width: 320px;
  color: var(--muted);
  font-size: 14px;
  padding-bottom: 6px;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.step-card {
  background: #fff;
  border-radius: 22px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}

.step-card:nth-child(even) {
  margin-top: 36px;
}

.step-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-hover);
}

.step-num {
  font-family: var(--num);
  font-size: 14px;
  font-weight: 800;
  color: var(--orange);
  background: rgba(255, 122, 24, .12);
  padding: 5px 11px;
  border-radius: 999px;
  display: inline-block;
}

.step-card h3 {
  font-size: 18px;
  margin: 18px 0 10px;
}

.step-card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.step-tag {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--teal);
  font-weight: 600;
}

/* device dark */
.device-guide {
  background-color: #121C21;
  background-image: linear-gradient(115deg, rgba(18, 28, 33, .96) 0%, rgba(18, 28, 33, .84) 60%, rgba(217, 40, 42, .55) 100%), url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  color: #fff;
  border-radius: 0;
}

.device-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: 60px;
  align-items: center;
}

.device-inner .eyebrow {
  color: #FFA574;
}

.device-inner .eyebrow::before {
  background: linear-gradient(90deg, #fff, #FFB089);
}

.device-inner h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 36px);
}

.device-inner .section-head p {
  color: rgba(255, 255, 255, .72);
}

.device-card-img img {
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
  border: 1px solid rgba(255, 255, 255, .14);
}

.device-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.device-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
}

.device-list li i {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 122, 24, .25);
  border: 1px solid rgba(255, 122, 24, .4);
  color: #FFC899;
  font-size: 11px;
  font-style: normal;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
}

.device-mini {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.device-mini span {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 13px;
  color: rgba(255, 255, 255, .8);
}

/* table */
.compare-section {
  background: #fff;
  padding: 92px 0;
}

.compare-copy {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.table-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 10px;
}

.table-scroll {
  overflow-x: auto;
  border-radius: 18px;
}

.method-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  min-width: 760px;
}

.method-table th {
  text-align: left;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 16px 18px;
}

.method-table td {
  padding: 16px 18px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.method-table tr:last-child td {
  border-bottom: 0;
}

.method-table tbody tr {
  transition: background .2s ease;
}

.method-table tbody tr:hover {
  background: #FCF4F0;
}

.method-table td strong {
  color: var(--ink);
  display: block;
  margin-bottom: 2px;
}

.method-table .tag-primary {
  display: inline-block;
  background: rgba(217, 40, 42, .1);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 10px;
}

/* faq */
.faq-section {
  background: var(--bg);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, .38fr) minmax(0, .62fr);
  gap: 52px;
  align-items: start;
}

.faq-aside {
  position: sticky;
  top: 160px;
}

.faq-aside h2 {
  font-size: clamp(28px, 3vw, 38px);
}

.faq-aside p {
  color: var(--muted);
  margin: 14px 0 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-card:hover {
  border-color: rgba(217, 40, 42, .25);
  box-shadow: var(--shadow);
}

.faq-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  padding: 20px 22px;
  font-weight: 700;
  color: var(--ink);
  font-size: 16px;
  transition: color .2s ease;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  transition: transform .3s ease, background .3s ease;
}

.faq-card summary:hover {
  color: var(--brand);
}

.faq-card[open] summary::after {
  transform: rotate(45deg);
  background: var(--grad);
  color: #fff;
}

.faq-answer {
  padding: 0 22px 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

.faq-answer p {
  margin: 14px 0 0;
}

.faq-answer ul {
  margin: 10px 0 0;
  list-style: disc;
  padding-left: 20px;
}

/* CTA */
.end-cta {
  position: relative;
  margin: 92px auto;
  border-radius: 30px;
  background-image: linear-gradient(105deg, rgba(18, 28, 33, .95) 0%, rgba(23, 32, 38, .9) 52%, rgba(217, 40, 42, .72) 100%), url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 70px 76px;
  overflow: hidden;
}

.end-cta::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(255, 122, 24, .35), transparent 68%);
}

.end-cta .cta-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.end-cta .eyebrow {
  color: #FFB087;
}

.end-cta .eyebrow::before {
  background: linear-gradient(90deg, #fff, #FFB087);
}

.end-cta h2 {
  color: #fff;
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1.25;
}

.end-cta p {
  margin: 16px 0 28px;
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
  max-width: 560px;
}

.end-cta .hero-actions {
  margin-top: 0;
}

.end-cta .btn-ghost {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}

.end-cta .btn-ghost:hover {
  background: #fff;
  color: var(--ink);
}

/* footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr .75fr .75fr .9fr;
  gap: 36px;
  padding: 68px 0 44px;
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-brand p {
  margin: 20px 0 0;
  max-width: 340px;
  font-size: 14px;
  color: rgba(255, 255, 255, .58);
  line-height: 1.9;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  display: inline-block;
  color: rgba(255, 255, 255, .66);
  transition: color .2s ease, transform .2s ease;
}

.footer-col a:hover {
  color: #FFB087;
  transform: translateX(3px);
}

.footer-col li {
  color: rgba(255, 255, 255, .48);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  font-size: 13px;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: rgba(255, 255, 255, .45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .55);
}

.footer-bottom a:hover {
  color: #fff;
}

/* responsive */
@media screen and (max-width: 1023px) {
  .guide-hero__inner,
  .overview-grid,
  .device-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .guide-hero {
    padding: 68px 0 60px;
  }

  .hero-stats {
    margin-top: 52px;
  }

  .step-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .step-card:nth-child(even) {
    margin-top: 24px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .faq-aside {
    position: static;
  }

  .end-cta {
    padding: 52px 40px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media screen and (max-width: 639px) {
  .section {
    padding: 58px 0;
  }

  .container {
    padding: 0 18px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-badge {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .head-cta {
    display: none;
  }

  .header-search {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 60px;
    width: 100%;
    background: #fff;
    border-radius: 14px;
    padding: 10px 16px;
    box-shadow: var(--shadow-hover);
  }

  .search-open {
    display: inline-flex;
  }

  .search-check:checked ~ .header-search {
    display: flex;
  }

  .channel-inner {
    gap: 6px;
    padding-top: 6px;
    padding-bottom: 8px;
  }

  .nav-pill {
    padding: 7px 13px;
    font-size: 13px;
  }

  .guide-hero {
    padding: 52px 0 46px;
  }

  .guide-hero h1 {
    margin-top: 18px;
  }

  .hero-card {
    padding: 18px;
    border-radius: 22px;
    transform: none;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 12px;
    margin-top: 38px;
  }

  .hero-stats strong {
    font-size: 24px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .overview-media img,
  .device-card-img img {
    border-radius: 18px;
  }

  .split-item {
    padding: 14px;
  }

  .prepare-top,
  .compare-copy {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .prepare-note {
    max-width: 100%;
  }

  .step-grid {
    grid-template-columns: 1fr;
  }

  .step-card:nth-child(even) {
    margin-top: 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    padding: 52px 0 32px;
    gap: 28px;
  }

  .footer-bottom .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .end-cta {
    margin: 50px auto;
    padding: 42px 26px;
    border-radius: 22px;
  }

  .device-mini {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category3 */
:root {
  --red: #d9282a;
  --red-2: #e6452b;
  --orange: #ff7a18;
  --grad: linear-gradient(135deg, #d9282a 0%, #ff7a18 100%);
  --dark: #172026;
  --dark-2: #202c35;
  --paper: #f7f5f2;
  --white: #ffffff;
  --teal: #0d9f97;
  --text: #2c2925;
  --text-weak: #6f6961;
  --line: #e5e0d8;
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 6px 18px rgba(51, 32, 19, .06);
  --shadow-md: 0 14px 35px rgba(51, 32, 19, .1);
  --shadow-lg: 0 22px 55px rgba(51, 32, 19, .16);
}

*, *::before, *::after {
  box-sizing: border-box;
  outline-color: var(--teal);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

img {
  max-width: 100%;
  display: block;
}

ul, ol, menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

figure {
  margin: 0;
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

input {
  font: inherit;
}

.container {
  width: min(1220px, 100% - 40px);
  margin-inline: auto;
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding-top: 64px;
  padding-bottom: 72px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-head .tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--red-2);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .08em;
  background: rgba(217, 40, 42, .08);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.section-head .tagline::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.3;
  letter-spacing: -.02em;
  color: var(--text);
  margin: 0 0 16px;
}

.section-head h2 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--red), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.9;
  margin: 0;
}

.section-head.is-dark h2 {
  color: #fff;
}

.section-head.is-dark .tagline {
  color: #ffd1be;
  background: rgba(255, 255, 255, .1);
}

.section-head.is-dark p {
  color: rgba(255, 255, 255, .72);
}

/* ============ 按钮系统 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  transition: all .22s ease;
  border: 2px solid transparent;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 20px rgba(217, 40, 42, .24);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(217, 40, 42, .32);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 5px 14px rgba(217, 40, 42, .22);
}

.btn-white-line {
  background: rgba(255, 255, 255, .96);
  color: var(--dark);
  border-color: rgba(255, 255, 255, .9);
}

.btn-white-line:hover {
  transform: translateY(-3px);
  background: #fff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
}

.btn-dark-line {
  background: transparent;
  color: var(--dark);
  border-color: #cfc8c0;
}

.btn-dark-line:hover {
  border-color: var(--red-2);
  color: var(--red-2);
  transform: translateY(-3px);
}

.btn-ghost-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .45);
}

.btn-ghost-white:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .08);
  transform: translateY(-3px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--red-2);
  font-weight: 700;
  font-size: 15px;
}

.text-link::after {
  content: "→";
  transition: transform .2s ease;
}

.text-link:hover {
  color: var(--dark);
}

.text-link:hover::after {
  transform: translateX(4px);
}

/* ============ 双层导航 ============ */
.site-head {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(40, 25, 20, .06);
}

.brand-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--grad);
  color: #fff;
  display: inline-grid;
  place-items: center;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.02em;
  box-shadow: 0 6px 18px rgba(217, 40, 42, .25);
}

.brand-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.head-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.head-actions .btn {
  flex-shrink: 0;
}

.search-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.search-open {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: none;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.search-open svg {
  width: 19px;
  height: 19px;
}

.header-search {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  padding: 0 16px;
  transition: border .2s, box-shadow .2s;
}

.header-search:focus-within {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 24, .12);
}

.header-search svg {
  width: 18px;
  height: 18px;
  color: var(--text-weak);
  flex-shrink: 0;
}

.header-search input {
  border: 0;
  background: transparent;
  width: 100%;
  color: var(--text);
}

.header-search input:focus {
  box-shadow: none;
}

.header-search input::placeholder {
  color: #ada69f;
}

.channel-bar {
  border-top: 1px solid rgba(229, 224, 216, .85);
}

.channel-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  padding-top: 9px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.channel-inner::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  flex: 0 0 auto;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: #56514b;
  border: 1px solid transparent;
  transition: all .2s ease;
}

.nav-pill:hover {
  color: var(--red-2);
  background: #fbeae7;
}

.nav-pill.is-active {
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(217, 40, 42, .24);
}

/* ============ 体育数据分类 Hero ============ */
.cat3-hero {
  position: relative;
  padding: 86px 0 74px;
  color: #fff;
  background:
    linear-gradient(132deg, rgba(23, 32, 38, .98) 0%, rgba(47, 34, 49, .92) 48%, rgba(100, 42, 46, .78) 100%),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  overflow: hidden;
}

.cat3-hero::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: 10%;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 24, .2), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 76px;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .14em;
  color: #ffc1a6;
  background: rgba(255, 255, 255, .08);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  margin-bottom: 20px;
}

.cat3-hero h1 {
  font-size: clamp(40px, 6vw, 62px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.03em;
  margin: 0 0 18px;
}

.cat3-hero h1 .grad-text {
  background: linear-gradient(120deg, #ffb38e, #ff8a37);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .82);
  max-width: 620px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-badge-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.hero-badge-scope div {
  font-size: 14px;
  color: rgba(255, 255, 255, .76);
}

.hero-badge-scope strong {
  display: block;
  font-size: 22px;
  color: #fff;
  letter-spacing: -.02em;
}

/* hero 右侧数据看板 */
.hero-panel {
  position: relative;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 26px;
  padding: 24px;
  backdrop-filter: blur(6px);
}

.hero-panel-row {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.hero-panel-row:last-child {
  border-bottom: 0;
}

.hero-panel-row span {
  color: rgba(255, 255, 255, .68);
  font-size: 15px;
}

.hero-chip {
  background: rgba(255, 255, 255, .12);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: #fff;
  white-space: nowrap;
}

.flow-tag {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.flow-tag b {
  background: rgba(255, 122, 24, .16);
  border-radius: 999px;
  font-size: 13px;
  color: #ffd0b4;
  padding: 6px 13px;
  font-weight: 600;
}

/* ============ 关键词数据卡条 ============ */
.metrics-tape {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: #fff;
  border-radius: 22px;
  box-shadow: var(--shadow-md);
  padding: 22px;
  margin-top: -54px;
  position: relative;
  z-index: 3;
}

.metrics-tape li {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 16px;
}

.metrics-tape li:nth-child(2) {
  background: #fdf0ed;
}

.metrics-tape .metric-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--grad);
  color: #fff;
  font-weight: 900;
  font-size: 13px;
}

.metrics-tape li:nth-child(even) .metric-icon {
  background: var(--dark);
}

.metrics-tape strong {
  display: block;
  color: var(--dark);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.metrics-tape span {
  display: block;
  color: var(--text-weak);
  font-size: 12px;
  line-height: 1.5;
}

/* ============ 内容预览 / 特色内容区 ============ */
.preview-section {
  background: var(--paper);
}

.preview-flow {
  display: grid;
  gap: 34px;
}

.preview-row {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 30px rgba(51, 32, 19, .06);
  overflow: hidden;
  transition: box-shadow .3s ease, transform .3s ease;
}

.preview-row:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.preview-row figure {
  position: relative;
  height: 100%;
  min-height: 300px;
  overflow: hidden;
}

.preview-row figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.preview-row:hover figure img {
  transform: scale(1.05);
}

.photo-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(23, 32, 38, .68);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  letter-spacing: .04em;
  padding: 6px 14px;
  border-radius: 999px;
}

.preview-body {
  padding: 44px 50px 42px 42px;
}

.soft-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 15px;
}

.soft-meta .tag-mini {
  background: #fdeae6;
  color: var(--red-2);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 999px;
}

.soft-meta .read-time {
  color: var(--text-weak);
  font-size: 13px;
}

.preview-body h3 {
  font-size: 25px;
  line-height: 1.42;
  letter-spacing: -.02em;
  color: var(--dark);
  margin: 0 0 14px;
}

.preview-body p {
  color: var(--text-weak);
  line-height: 1.9;
  margin: 0 0 22px;
}

.preview-row:nth-child(even) figure {
  order: 2;
}

/* ============ 数据工具区（深色专题块） ============ */
.tool-section {
  background:
    radial-gradient(circle at 90% 10%, rgba(255, 122, 24, .13), transparent 25%),
    var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: start;
}

.tool-list {
  display: grid;
  gap: 14px;
  margin-top: -8px;
}

.tool-list li {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 18px;
  align-items: center;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 18px;
  padding: 16px 18px;
  transition: all .25s ease;
}

.tool-list li:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 122, 24, .5);
  transform: translateX(-4px);
}

.tool-list .num-sub {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #fff;
  font-size: 16px;
  font-weight: 900;
}

.tool-list h3 {
  font-size: 18px;
  margin: 0 0 3px;
  color: #fff;
}

.tool-list p {
  color: rgba(255, 255, 255, .58);
  font-size: 14px;
  margin: 0;
  line-height: 1.7;
}

.tool-arrow {
  color: #ff9b62;
  font-size: 22px;
}

.data-agent {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 24px;
  padding: 26px;
}

.data-agent h3 {
  color: #fff;
  font-size: 20px;
  margin: 0 0 8px;
}

.data-agent > p {
  color: rgba(255, 255, 255, .68);
  font-size: 15px;
  margin: 0 0 22px;
  line-height: 1.85;
}

.data-agent-line {
  padding: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, .09);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.data-agent-line svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--teal);
  margin-top: 4px;
}

.data-agent-line strong {
  display: block;
  color: #fff;
  font-size: 15px;
  margin-bottom: 2px;
}

.data-agent-line span {
  color: rgba(255, 255, 255, .55);
  font-size: 14px;
}

/* ============ 对比阅读区 ============ */
.reader-flex {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.reader-copy .section-head {
  margin-bottom: 20px;
}

.approach-list {
  margin-top: 12px;
}

.approach-list li {
  display: flex;
  gap: 15px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}

.approach-list li:last-child {
  border-bottom: 0;
}

.approach-list b {
  color: var(--red-2);
  font-size: 18px;
  font-weight: 900;
  width: 34px;
  flex-shrink: 0;
}

.approach-list span {
  color: var(--dark);
}

.approach-list small {
  display: block;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
}

.reader-visual {
  position: relative;
  background: #fff;
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
  padding: 26px;
}

.visual-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.visual-top strong {
  font-size: 18px;
  color: var(--dark);
}

.visual-switch {
  display: flex;
  background: #f3f0eb;
  border-radius: 999px;
  padding: 3px;
}

.visual-switch span {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--text-weak);
}

.visual-switch span.on {
  background: #fff;
  color: var(--dark);
  box-shadow: 0 3px 10px rgba(23, 32, 38, .07);
  font-weight: 700;
}

.compare-card + .compare-card {
  margin-top: 14px;
}

.compare-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
}

.compare-card .team-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
  color: var(--dark);
  margin-bottom: 12px;
}

.compare-card .team-row i {
  color: var(--text-weak);
  font-size: 12px;
}

.bar-one {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}

.bar-one .bar {
  height: 7px;
  border-radius: 999px;
  background: #efeae4;
  overflow: hidden;
}

.bar-one .bar i {
  display: block;
  height: 100%;
  background: var(--grad);
  border-radius: 999px;
}

.bar-one .bar.r i {
  background: var(--dark);
}

.bar-one b {
  font-size: 14px;
  color: var(--dark);
}

/* ============ 延伸阅读索引 ============ */
.link-index-section {
  background: #fff;
}

.link-index-section .section-head {
  max-width: 620px;
}

.link-index-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 58px;
  align-items: center;
}

.index-note {
  background: #f7f5f2;
  border-radius: 22px;
  padding: 34px;
}

.index-note h3 {
  font-size: 22px;
  color: var(--dark);
  margin: 0 0 12px;
}

.index-note p {
  color: var(--text-weak);
  line-height: 1.9;
  margin: 0 0 24px;
}

.mini-audit {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mini-audit span {
  background: #fff;
  border: 1px solid var(--line);
  color: #6b655e;
  border-radius: 999px;
  font-size: 13px;
  padding: 6px 14px;
}

.index-links {
  counter-reset: linkCount;
}

.index-links li {
  counter-increment: linkCount;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 18px 6px;
  border-bottom: 1px solid var(--line);
}

.index-links li::before {
  content: counter(linkCount, decimal-leading-zero);
  color: var(--orange);
  font-weight: 900;
  font-size: 26px;
  line-height: 1.1;
  min-width: 46px;
  font-family: "Roboto Condensed", "Arial Narrow", Arial, sans-serif;
}

.index-links h3 {
  font-size: 18px;
  line-height: 1.4;
  color: var(--dark);
  margin: 0 0 5px;
}

.index-links h3 a:hover {
  color: var(--red-2);
}

.index-links p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  margin: 0 0 10px;
}

.hashtags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hashtags span {
  color: var(--teal);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ============ FAQ ============ */
.faq-support {
  background: var(--paper);
}

.faq-wrap {
  max-width: 850px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 5px 14px rgba(51, 32, 19, .04);
  transition: box-shadow .2s;
}

.faq-item.open {
  box-shadow: var(--shadow-md);
  border-color: #ead4cb;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  color: var(--dark);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  background: #fff;
  transition: color .2s;
}

.faq-q:hover {
  color: var(--red-2);
}

.faq-icon {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--line);
  flex-shrink: 0;
  transition: transform .3s ease, border-color .3s;
}

.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--red-2);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 2px;
  transition: all .3s;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--red-2);
  background: var(--red);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-answer-inner {
  padding: 4px 28px 28px;
  border-top: 1px dashed var(--line);
  margin-top: 16px;
  padding-top: 20px;
}

.faq-answer-inner p {
  color: var(--text-weak);
  line-height: 1.9;
  margin: 0;
}

/* ============ 收尾 CTA ============ */
.cta-final {
  padding: 0 0 90px;
}

.cta-box {
  background: linear-gradient(120deg, var(--red) 0%, #ef4d2b 58%, #ff8d2e 100%);
  border-radius: 28px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.3fr .8fr;
  align-items: center;
  gap: 34px;
  padding: 36px 56px;
  color: #fff;
  position: relative;
  box-shadow: 0 24px 60px rgba(217, 40, 42, .28);
}

.cta-box::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(24px, 3.5vw, 34px);
  line-height: 1.35;
  margin: 0 0 12px;
  letter-spacing: -.02em;
}

.cta-box p {
  color: rgba(255, 255, 255, .9);
  margin: 0 0 24px;
  max-width: 560px;
  line-height: 1.9;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 2;
}

.cta-illu {
  text-align: right;
}

.cta-illu span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  font-size: 14px;
  padding: 8px 18px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  padding: 72px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr .8fr .85fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-brand p {
  margin: 16px 0 0;
  max-width: 330px;
  color: rgba(255, 255, 255, .58);
  line-height: 1.9;
  font-size: 13px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: .04em;
}

.footer-col ul li {
  padding: 7px 0;
}

.footer-col ul a {
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}

.footer-col ul a:hover {
  color: #fff;
  padding-left: 5px;
}

.footer-col ul li.has-hint {
  color: rgba(255, 255, 255, .42);
  font-size: 13px;
}

.footer-bottom {
  margin-top: 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 22px;
  padding-bottom: 26px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .62);
}

.footer-bottom a:hover {
  color: var(--orange);
}

/* ============ 响应式 ============ */
@media screen and (max-width: 1023px) {
  .section {
    padding: 68px 0;
  }

  .hero-grid,
  .tool-layout,
  .reader-flex,
  .link-index-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .cat3-hero {
    padding: 70px 0 60px;
  }

  .metrics-tape {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 10px;
  }

  .preview-row,
  .preview-row:nth-child(even) figure {
    grid-template-columns: 1fr;
  }

  .preview-row figure {
    min-height: 230px;
  }

  .preview-row:nth-child(even) figure {
    order: 0;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .cta-box {
    grid-template-columns: 1fr;
    padding: 34px;
  }

  .cta-illu {
    text-align: left;
  }
}

@media screen and (max-width: 640px) {
  .section {
    padding: 56px 0;
  }

  .container {
    width: min(100% - 28px, 1200px);
  }

  .brand-bar {
    min-height: 68px;
  }

  .brand-badge {
    width: 38px;
    height: 38px;
    font-size: 15px;
    border-radius: 12px;
  }

  .brand-name {
    font-size: 19px;
  }

  .head-cta {
    display: none;
  }

  .search-open {
    display: inline-flex;
  }

  .header-search {
    display: none;
    position: absolute;
    top: calc(100% - 2px);
    left: 14px;
    right: 14px;
    width: auto;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    z-index: 9;
  }

  .search-check:checked ~ .header-search {
    display: flex;
  }

  .hero-grid {
    gap: 30px;
  }

  .cat3-hero {
    padding: 50px 0 58px;
  }

  .cat3-hero h1 {
    font-size: 36px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .metrics-tape {
    gap: 8px;
    padding: 16px;
  }

  .metrics-tape li {
    padding: 6px;
    align-items: flex-start;
    flex-direction: column;
  }

  .metrics-tape .metric-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    font-size: 11px;
  }

  .metrics-tape strong {
    font-size: 15px;
  }

  .metrics-tape span {
    font-size: 11px;
  }

  .tool-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .tool-list .tool-arrow {
    display: none;
  }

  .preview-body {
    padding: 28px 22px;
  }

  .preview-body h3 {
    font-size: 21px;
  }

  .link-index-layout {
    gap: 28px;
  }

  .index-note {
    padding: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .faq-q {
    font-size: 15px;
    padding: 17px 18px;
    gap: 14px;
  }

  .faq-answer-inner {
    padding: 4px 22px 22px;
  }

  .cta-box {
    padding: 28px 22px;
  }

  .footer-bottom .container {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}