/* roulang page: index */
:root{
      --ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;
      --paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;
      --shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);
      --radius:18px;--radius-sm:11px;--container:1220px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}
    a{color:inherit;text-decoration:none} img{display:block;width:100%;object-fit:cover} button,input,select,textarea{font:inherit} button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(33,107,165,.36);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:#fff;padding:8px 14px;border-radius:8px}
    .utility{background:#e8f1f7;border-bottom:1px solid var(--line);font-size:13px;color:#50677d}.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .masthead{background:rgba(251,252,253,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
    .brandrow{min-height:86px;display:flex;align-items:center;gap:24px}.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}
    .brandline{height:44px;width:1px;background:var(--line)}.channel-note{font-size:14px;color:var(--muted);margin-right:auto}
    .nav{display:flex;align-items:center;gap:17px}.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}
    .menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink)}
    .section{padding:78px 0}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,62px);line-height:1.19;letter-spacing:-2px;margin:14px 0 20px}h2{font-size:clamp(28px,3vw,40px);line-height:1.28;letter-spacing:-1px;margin:10px 0 16px}h3{font-size:20px;line-height:1.45;margin-bottom:9px}p{color:#40566c}.lead{font-size:18px;line-height:1.9;max-width:670px}.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}.btn.text{padding-left:0;color:var(--blue)}.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
    .hero{padding:48px 0 44px;background:linear-gradient(180deg,#f7fbfe 0%,#fbfcfd 100%)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:stretch}.hero-copy{padding:43px 0 18px}.hero-list{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:9px;color:#496278;font-size:14px}.hero-list li:before{content:"✓";color:var(--gold);font-weight:bold;margin-right:9px}.hero-cover{min-height:465px;border-radius:24px;overflow:hidden;position:relative;box-shadow:var(--shadow-lg);background:#d7e5ee}.hero-cover img{height:100%}.cover-caption{position:absolute;left:22px;right:22px;bottom:20px;padding:15px 17px;background:rgba(255,255,255,.92);border-left:3px solid var(--gold);font-size:14px;color:var(--ink)}.trustbar{margin-top:35px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:24px;flex-wrap:wrap;font-size:13px;color:#5c7183}.trustbar b{color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head p{max-width:590px;margin:0}.matrix{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:auto auto;gap:16px}.entry{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 20px rgba(22,56,83,.05);transition:.22s ease}.entry:hover{transform:translateY(-4px);border-color:#8eb4ce;box-shadow:var(--shadow)}.entry.featured{grid-row:span 2;background:#eaf4fa;padding:32px}.entry .num{display:block;color:var(--gold);font-weight:800;font-size:13px;margin-bottom:24px}.entry p{font-size:14px;margin-bottom:0}.tag{display:inline-block;padding:3px 8px;border-radius:5px;background:var(--gold-bg);color:#8b682d;font-size:12px;font-weight:700}
    .issue{background:var(--mist)}.issue-grid{display:grid;grid-template-columns:270px 1fr;gap:42px}.rail{border-right:1px solid #cbdde8;padding-right:27px}.rail h2{font-size:31px}.rail p{font-size:14px}.issue-board{display:grid;grid-template-columns:1.3fr .7fr;gap:16px}.issue-large,.issue-small{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 18px rgba(22,56,83,.05)}.issue-large img{height:245px}.issue-large div,.issue-small div{padding:20px}.issue-small{display:flex;flex-direction:column}.issue-small p{font-size:14px;margin-bottom:0}.deep-reading{margin-top:42px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:35px 40px;box-shadow:var(--shadow)}.deep-reading .reading-text{max-width:820px}.deep-reading p{font-size:16px}.deep-reading h3{margin-top:25px}
    .path{padding-bottom:25px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px}.step{padding:0 22px 20px;border-left:1px solid var(--line);position:relative}.step:first-child{border-left:0}.step:before{content:"";position:absolute;top:-4px;left:-5px;width:9px;height:9px;border-radius:50%;background:var(--gold)}.step b{font-size:13px;color:var(--blue)}.step p{font-size:14px;margin:9px 0 0}
    .feature-story{display:grid;grid-template-columns:.86fr 1.14fr;margin-top:48px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}.feature-story img{height:100%;min-height:405px}.feature-story article{padding:43px}.feature-story blockquote{margin:22px 0;padding:13px 18px;border-left:3px solid var(--gold);background:#fbf6ed;color:#53667a}
    .about{background:#e6f1f8}.about-inner{display:grid;grid-template-columns:130px 1fr;gap:30px;padding:46px 0}.about-mark{color:#8eafc5;font-size:19px;font-weight:800;line-height:1.4;writing-mode:vertical-rl;letter-spacing:8px}.about p{max-width:900px;font-size:17px}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:44px;align-items:start}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:.2s ease}.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}.faq-list summary{padding:16px 25px 16px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}.faq-list details[open] summary:after{content:"－"}.faq-list p{font-size:14px;margin:0 0 17px}
    .results{background:#f4f8fb}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metric{padding:25px 22px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{display:block;font-size:38px;line-height:1;color:var(--blue);letter-spacing:-2px}.metric span{font-size:14px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:36px}.lead-news{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.lead-news img{height:250px}.news-body{padding:24px}.date{font-size:12px;color:#7990a3;letter-spacing:.06em}.news-list{display:grid;gap:10px}.news-item{display:grid;grid-template-columns:95px 1fr auto;align-items:center;gap:16px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.2s ease}.news-item:hover{border-color:#8bb4d0;transform:translateX(3px)}.news-item h3{font-size:16px;margin:0}.news-item p{font-size:13px;margin:3px 0 0}.news-item .btn{min-height:auto;padding:5px 0;font-size:13px}
    .longform{display:grid;grid-template-columns:1fr 1.1fr;gap:42px;margin-top:42px;align-items:center}.longform figure{margin:0}.longform img{height:390px;border-radius:18px;box-shadow:var(--shadow)}.longform figcaption{font-size:13px;color:var(--muted);padding-top:8px}.longform p{font-size:16px}
    .ranking{display:grid;grid-template-columns:.75fr 1.25fr;gap:36px;align-items:start}.rank-list{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.rank-row{display:grid;grid-template-columns:40px 1fr auto;gap:13px;align-items:center;padding:15px 19px;border-bottom:1px solid var(--line)}.rank-row:last-child{border-bottom:0}.rank-no{color:var(--gold);font-weight:800}.rank-row span:last-child{font-size:12px;color:var(--muted)}
    .testimonials{background:#eaf3f8}.quote-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 7px 18px rgba(22,56,83,.06)}.quote.main{padding:35px;background:#173c5b;color:#fff}.quote.main p{color:#edf6fb;font-size:22px;line-height:1.65}.quote p{font-size:15px}.person{font-size:13px;color:#6c8293}.quote.main .person{color:#b8d0df}.seal{display:inline-flex;width:35px;height:35px;align-items:center;justify-content:center;border-radius:50%;background:var(--gold-bg);color:#957030;font-weight:800;margin-bottom:13px}
    .assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.assure{padding:25px;background:#fff;border:1px solid var(--line);border-radius:15px}.assure strong{display:block;color:var(--blue);font-size:16px;margin-bottom:8px}.assure p{margin:0;font-size:14px}
    .app-stage{display:grid;grid-template-columns:1fr .9fr;gap:40px;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.app-copy{padding:40px}.screen{background:#dbeaf4;padding:28px;display:flex;align-items:center}.screen-inner{width:100%;background:#fff;border-radius:14px;padding:18px;box-shadow:var(--shadow)}.screen-inner img{height:230px;border-radius:9px}.screen-line{height:10px;background:#e5eef4;border-radius:5px;margin-top:12px}.screen-line.short{width:62%}
    .cta{padding:78px 0}.cta-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}.cta-panel p{color:#d8e8f2}.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form label{font-size:13px;color:#d7e7f0}.form input,.form select,.form textarea{width:100%;margin-top:5px;padding:11px 12px;border-radius:8px;border:1px solid #7998af;background:#fff;color:var(--ink)}.form textarea{height:84px;resize:vertical}.form .full{grid-column:1/-1}.form small{color:#b8d2e2}.form .btn{width:max-content}.site-index{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.22);display:flex;flex-wrap:wrap;gap:12px}.site-index a{font-size:13px;color:#d6e8f2}.site-index a:hover{text-decoration:underline}
    footer{background:#102b42;color:#c8d9e4;padding:44px 0 24px}.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}.foot-brand{font-size:29px;font-weight:800;color:#fff;letter-spacing:-1px}.foot-grid p,.foot-grid a{font-size:14px;color:#b6cad8}.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.foot-links a:hover{color:#fff}.legal{border-top:1px solid rgba(210,231,243,.18);margin-top:30px;padding-top:19px;font-size:13px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}.legal a{text-decoration:underline}
    @media(max-width:1050px){.nav{gap:11px}.nav a{font-size:13px}.hero-grid,.feature-story,.app-stage,.cta-panel{grid-template-columns:1fr}.hero-cover{min-height:360px}.issue-grid{grid-template-columns:1fr}.rail{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}.feature-story img{max-height:400px}.timeline{grid-template-columns:repeat(2,1fr);gap:22px}.step:nth-child(3){border-left:0}.quote-grid{grid-template-columns:1fr 1fr}.quote.main{grid-column:1/-1}.foot-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:767px){.container{width:min(calc(100% - 32px),var(--container))}.utility .container{font-size:12px}.utility .container span:last-child{display:none}.brandrow{min-height:66px;gap:14px}.brand{font-size:29px}.brand small{font-size:8px}.brandline,.channel-note{display:none}.menu{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}.nav{position:absolute;left:0;right:0;top:66px;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 15px;overflow-x:auto;display:none}.nav.open{display:flex}.nav a{padding:10px 0 7px;min-height:44px}.section{padding:54px 0}.hero{padding-top:24px}.hero-copy{padding-top:16px}.hero-cover{min-height:285px}.section-head,.faq-grid,.ranking,.longform,.news-layout{display:block}.section-head p{margin-top:12px}.matrix,.issue-board{grid-template-columns:1fr}.entry.featured{grid-row:auto}.issue-large img{height:210px}.deep-reading{padding:25px 21px}.timeline{grid-template-columns:1fr;margin-top:22px}.step,.step:nth-child(3){border-left:1px solid var(--line);padding-left:19px}.feature-story article,.app-copy{padding:26px}.about-inner{grid-template-columns:1fr;gap:12px}.about-mark{writing-mode:horizontal-tb;letter-spacing:3px}.faq-list{margin-top:25px}.metrics{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.news-item{grid-template-columns:1fr}.news-item .btn{justify-content:flex-start}.longform img{height:260px;margin-bottom:24px}.quote-grid{grid-template-columns:1fr}.quote.main{grid-column:auto}.assurance{grid-template-columns:1fr}.form{grid-template-columns:1fr}.form .btn{width:100%}.foot-grid{grid-template-columns:1fr;gap:20px}.legal{display:block}.legal span{display:block;margin-bottom:8px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{--ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;--paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;--shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);--radius:18px;--radius-sm:11px;--container:1220px;--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.utility{background:#173c5b;color:#d8e8f2;font-size:12px}.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}.utility span:last-child{color:#b8d0df}.masthead{background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.brandrow{min-height:86px;display:flex;align-items:center;gap:24px}.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}.brandline{height:44px;width:1px;background:var(--line)}.channel-note{font-size:13px;color:var(--muted);white-space:nowrap}.nav{margin-left:auto;display:flex;align-items:center;gap:17px}.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8ebbd9;outline-offset:3px}.section{padding:76px 0}.mist{background:var(--mist)}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,60px);letter-spacing:-.055em;line-height:1.18;margin:16px 0 22px}h2{font-size:clamp(28px,3.2vw,40px);line-height:1.3;letter-spacing:-.035em;margin-bottom:18px}h3{font-size:20px;line-height:1.45;margin-bottom:9px}p{color:#496278}.lead{font-size:18px;line-height:1.9;max-width:690px}.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}.btn.text{padding:4px 0;color:var(--blue);min-height:auto}.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
.breadcrumb{padding:17px 0;font-size:13px;color:var(--muted)}.breadcrumb a:hover{color:var(--blue)}.breadcrumb span{margin:0 8px;color:#9aabba}.topic-hero{padding:28px 0 62px;background:linear-gradient(180deg,#f4f9fc 0%,#fbfcfd 100%)}.topic-cover{position:relative;min-height:390px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);background:#d4e5ef}.topic-cover:after{content:"年度专题";position:absolute;right:22px;top:22px;width:82px;height:82px;border-radius:50%;background:var(--gold-bg);border:1px dashed var(--gold);display:grid;place-items:center;color:#7d5c26;font-weight:800;font-size:14px;transform:rotate(10deg)}.topic-cover img{height:390px}.cover-note{position:absolute;left:22px;bottom:20px;max-width:300px;padding:12px 16px;color:#fff;background:rgba(17,48,73,.86);border-radius:10px;font-size:13px}.hero-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:55px;align-items:center}.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px}.meta{padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);font-size:13px}.meta.gold{color:#8c682d;background:var(--gold-bg);border-color:#ead7b3}
.layout{display:grid;grid-template-columns:250px minmax(0,760px) 220px;gap:34px;align-items:start}.sidecard,.reading-card,.related-card,.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 20px rgba(24,59,87,.05)}.sidecard{padding:22px;position:sticky;top:116px}.sidecard strong{display:block;margin-bottom:10px}.toc{list-style:none;padding:0;margin:0}.toc li{border-top:1px solid var(--line)}.toc a{display:block;padding:11px 0;font-size:14px;color:#526b80;transition:.2s}.toc a:hover{color:var(--blue);padding-left:4px}.article-body{font-size:17px}.article-body p{margin-bottom:22px}.article-body h2{margin-top:42px}.article-body h3{margin-top:29px}.article-body ul{padding-left:20px;color:#496278}.article-body li{margin:8px 0}.dropcap:first-letter{float:left;font-size:62px;line-height:.78;padding:9px 10px 0 0;color:var(--blue);font-weight:800}.quote{margin:30px 0;padding:22px 25px;border-left:4px solid var(--gold);background:var(--gold-bg);color:#4b6170;font-size:17px}.note-card{padding:20px;margin-bottom:16px}.note-card b{display:block;font-size:28px;line-height:1;color:var(--blue);margin-bottom:9px}.note-card p{font-size:13px;margin:0}.read-img{margin:28px 0}.read-img img{height:250px;border-radius:14px}.read-img figcaption{font-size:13px;color:var(--muted);padding-top:8px}.chapter{padding:28px;background:#f2f8fc;border:1px solid #dceaf3;border-radius:18px;margin:34px 0}.chapter h3{color:#174d76}.update{padding:27px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:start}.number{font-size:86px;font-weight:850;line-height:.85;color:#c4dce9;letter-spacing:-.08em}.brand-intro{padding:44px;background:#e9f4fa;border-radius:22px;border:1px solid #d5e5ef}.brand-intro p{font-size:17px;margin-bottom:0}.index-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.index-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.2s}.index-card:hover{transform:translateY(-4px);border-color:#8eb8d5;box-shadow:var(--shadow)}.index-card span{display:block;color:var(--gold);font-weight:800;font-size:13px;margin-bottom:5px}.index-card p{font-size:14px;margin:0}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:.2s}.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}.faq-list summary{padding:16px 25px 16px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}.faq-list details[open] summary:after{content:"－"}.faq-list p{font-size:14px;margin:0 0 17px}
.related{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.related-card{overflow:hidden}.related-card img{height:210px}.related-card>div{padding:23px}.related-card p{font-size:14px}.list-links{padding:8px 22px}.list-links a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-weight:700;color:#315d7e}.list-links a:last-child{border-bottom:0}.list-links a:hover{color:var(--blue)}
.cta{padding:72px 0}.cta-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}.cta-panel p{color:#d8e8f2}.cta-panel h2{margin-bottom:13px}.cta-list{display:grid;gap:10px;padding:0;margin:0;list-style:none}.cta-list li{padding:13px 15px;background:rgba(255,255,255,.08);border:1px solid rgba(213,232,244,.19);border-radius:9px;color:#e8f3f9}.cta-list a:hover{color:#fff;text-decoration:underline}
footer{background:#143047;color:#d5e5ee;padding:55px 0 20px}.foot-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:45px}.foot-brand{font-size:32px;color:#fff;font-weight:800;letter-spacing:-1px}.foot-grid p{color:#b8cbd7;font-size:14px}.foot-grid strong{color:#fff;font-size:15px}.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:13px;font-size:14px}.foot-links a:hover,.legal a:hover{color:#fff;text-decoration:underline}.legal{margin-top:38px;padding-top:19px;border-top:1px solid rgba(212,232,243,.19);display:flex;flex-wrap:wrap;gap:10px 22px;color:#a9c0ce;font-size:12px}
@media(max-width:1100px){.channel-note{display:none}.nav{gap:12px}.layout{grid-template-columns:210px minmax(0,1fr)}.right-notes{display:none}.hero-grid{gap:35px}}@media(max-width:767px){.container{width:min(calc(100% - 32px),var(--container))}.utility .container span:last-child{display:none}.brandrow{min-height:70px;gap:13px;flex-wrap:wrap}.brand{font-size:30px}.brand small{margin-top:5px}.brandline{display:none}.menu{display:block;margin-left:auto}.nav{order:3;width:calc(100% + 32px);margin:0 -16px;display:none;overflow-x:auto;padding:0 16px;border-top:1px solid var(--line);background:#fff}.nav.open{display:flex}.nav a{padding:13px 0 11px;font-size:13px}.topic-hero{padding-bottom:42px}.hero-grid,.split,.faq-grid,.related,.cta-panel{grid-template-columns:1fr;gap:28px}.topic-cover,.topic-cover img{min-height:0;height:285px}.layout{grid-template-columns:1fr;gap:24px}.sidecard{position:static}.article-body{font-size:16px}.section{padding:55px 0}.sidecard{padding:18px}.index-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr;gap:24px}.cta{padding:55px 0}.cta-panel{padding:28px}.read-img img{height:220px}}@media(max-width:520px){h1{font-size:38px}.lead{font-size:16px}.btn{width:100%}.meta-row{gap:7px}.topic-cover,.topic-cover img{height:240px}.cover-note{left:13px;bottom:13px;right:13px;max-width:none}.article-body h2{font-size:28px}.number{font-size:65px}.foot-links{grid-template-columns:1fr}.legal{display:grid;gap:7px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
 --ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;
 --paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;
 --shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);
 --radius:18px;--radius-sm:11px;--container:1220px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.utility{border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
.masthead{background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brandrow{min-height:86px;display:flex;align-items:center;gap:24px}
.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}
.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}
.brandline{height:44px;width:1px;background:var(--line)}
.channel-note{font-size:13px;color:var(--muted);white-space:nowrap}
.nav{display:flex;align-items:center;gap:17px;margin-left:auto}
.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}
.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}
.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink)}
main{overflow:hidden}
.hero{padding:44px 0 50px;background:linear-gradient(180deg,#f3f9fc 0%,#fbfcfd 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy{padding:20px 0}
.crumb{font-size:13px;color:var(--muted);margin-bottom:27px}
.crumb a{color:var(--blue)}
.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}
h1,h2,h3{line-height:1.28;letter-spacing:-.03em;margin:0 0 18px}
h1{font-size:56px;max-width:650px}
h2{font-size:36px}
h3{font-size:21px}
.lead{font-size:18px;line-height:1.9;max-width:670px;color:#4d6378}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}
.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}
.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}
.btn.text{padding-left:0;color:var(--blue);min-height:30px}
.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
.hero-cover{min-height:380px;border-radius:24px;overflow:hidden;position:relative;box-shadow:var(--shadow-lg);background:#d7e5ee}
.hero-cover img{height:100%;min-height:380px}
.cover-note{position:absolute;left:24px;bottom:23px;right:24px;padding:17px 19px;background:rgba(255,255,255,.93);border-left:3px solid var(--gold);font-size:14px}
.section{padding:76px 0}
.section.mist{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.section-head p{max-width:590px;margin:0;color:var(--muted)}
.timeline-layout{display:grid;grid-template-columns:180px 1fr;gap:52px;align-items:start}
.phase-nav{position:sticky;top:120px;border-left:1px solid #aec7d8;padding-left:21px}
.phase-nav a{display:block;padding:10px 0;color:var(--muted);font-weight:700;font-size:14px;border-left:2px solid transparent;margin-left:-23px;padding-left:21px;transition:.2s}
.phase-nav a:hover,.phase-nav a.active{color:var(--blue);border-color:var(--blue)}
.timeline{position:relative;padding-left:37px}
.timeline:before{content:"";position:absolute;left:8px;top:9px;bottom:12px;width:1px;background:#b8cedd}
.node{position:relative;margin-bottom:31px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:27px 29px;box-shadow:0 8px 22px rgba(24,59,87,.05);transition:.22s}
.node:before{content:"";position:absolute;left:-35px;top:31px;width:13px;height:13px;border:3px solid var(--paper);background:var(--gold);border-radius:50%;box-shadow:0 0 0 1px #c99f5c}
.node:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#94bad2}
.node.feature{display:grid;grid-template-columns:250px 1fr;gap:27px;padding:18px}
.node.feature img{height:205px;border-radius:11px}
.date{font-size:13px;color:var(--gold);font-weight:800;letter-spacing:.05em}
.node h3{margin:8px 0 8px}
.node p{margin:0;color:#53677b}
.node ul{margin:13px 0 0;padding-left:20px;color:#53677b}
.read-tag{display:inline-block;margin-top:16px;padding:3px 9px;background:var(--gold-bg);color:#88662c;font-size:12px;border-radius:5px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:47px;align-items:start}
.prose{max-width:770px}
.prose p{margin:0 0 20px;color:#4d6378}
.prose h3{margin-top:30px}
.pullquote{padding:25px 27px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:13px;box-shadow:var(--shadow);font-size:20px;line-height:1.65}
.side-card{background:#173c5b;color:#fff;border-radius:18px;padding:31px;box-shadow:var(--shadow-lg)}
.side-card p{color:#d9e8f1}
.side-card ul{padding-left:21px;color:#d9e8f1}
.side-card li{margin:11px 0}
.figure-wide{margin:38px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.figure-wide img{height:310px;border-radius:18px;box-shadow:var(--shadow)}
figcaption{font-size:13px;color:var(--muted);margin-top:9px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:28px}
.stat{padding:24px 22px;border-right:1px solid var(--line)}
.stat:last-child{border:0}
.stat strong{display:block;font-size:38px;color:var(--blue);line-height:1.15}
.stat span{font-size:14px;color:var(--muted)}
.faq-list{display:grid;gap:10px;max-width:850px;margin:auto}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:.2s ease}
.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}
.faq-list summary{padding:17px 28px 17px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-list p{font-size:15px;color:#53677b;margin:0 0 19px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px;transition:.2s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#91b9d4}
.guide-card .num{font-size:13px;color:var(--gold);font-weight:800}
.guide-card p{font-size:14px;color:var(--muted);margin:0}
.cta{padding:76px 0}
.cta-panel{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-panel p{color:#d8e8f2}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{font-size:13px;color:#d7e7f0}
.form input,.form select,.form textarea{width:100%;margin-top:5px;padding:11px 12px;border-radius:8px;border:1px solid #8eafc3;background:#f8fbfd;color:var(--ink);outline:0}
.form textarea{min-height:96px;resize:vertical}
.form .full{grid-column:1/-1}
.form input:focus,.form select:focus,.form textarea:focus{border-color:#e0b96f;box-shadow:0 0 0 3px rgba(224,185,111,.2)}
.form .btn{margin-top:3px}
footer{background:#e9f2f7;border-top:1px solid var(--line);padding:45px 0 22px}
.foot-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:48px}
.foot-brand{font-size:30px;font-weight:850;letter-spacing:-1px}
footer p{color:var(--muted);font-size:14px;margin:10px 0 0}
footer strong{font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:13px}
.foot-links a{font-size:14px;color:var(--muted);transition:.2s}
.foot-links a:hover{color:var(--blue)}
.legal{display:flex;flex-wrap:wrap;gap:14px 24px;border-top:1px solid var(--line);margin-top:31px;padding-top:18px;color:var(--muted);font-size:12px}
.legal a{color:var(--blue)}
@media(max-width:1100px){
 .nav{gap:11px}.nav a{font-size:13px}
 .hero-grid{gap:30px}.timeline-layout{gap:30px}
}
@media(max-width:767px){
 .container{width:min(calc(100% - 36px),var(--container))}
 .utility .container{min-height:31px}
 .brandrow{min-height:70px;gap:14px;position:relative}
 .brand{font-size:31px}.brandline,.channel-note{display:none}
 .menu{display:block;margin-left:auto}
 .nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
 .nav.open{display:flex}.nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
 .hero{padding:29px 0 38px}.hero-grid{grid-template-columns:1fr;gap:27px}
 h1{font-size:40px}.lead{font-size:16px}
 .hero-cover,.hero-cover img{min-height:270px}
 .section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:12px}
 h2{font-size:30px}
 .timeline-layout{grid-template-columns:1fr;gap:25px}
 .phase-nav{position:static;display:flex;overflow:auto;border-left:0;border-bottom:1px solid var(--line);padding:0;gap:19px}
 .phase-nav a{white-space:nowrap;margin:0;padding:9px 0 12px;border-left:0;border-bottom:2px solid transparent}
 .timeline{padding-left:27px}.node{padding:21px}.node.feature{grid-template-columns:1fr;padding:14px}.node.feature img{height:190px}
 .split,.figure-wide,.cta-panel{grid-template-columns:1fr;gap:25px}
 .stats{grid-template-columns:1fr 1fr}.stat{padding:19px 14px}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .guide-grid{grid-template-columns:1fr}
 .form{grid-template-columns:1fr}.form .full{grid-column:auto}
 .foot-grid{grid-template-columns:1fr;gap:25px}.legal{display:block}.legal span{display:block;margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}
}
:focus-visible{outline:3px solid rgba(185,139,66,.65);outline-offset:3px}

/* roulang page: category3 */
:root{
 --ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;
 --paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;
 --shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);
 --radius:18px;--radius-sm:11px;--container:1220px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.utility{background:#edf4f8;border-bottom:1px solid var(--line);color:#567084;font-size:12px}
.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
.masthead{background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.brandrow{min-height:86px;display:flex;align-items:center;gap:24px}
.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}
.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}
.brandline{height:44px;width:1px;background:var(--line)}
.channel-note{font-size:13px;color:var(--muted);white-space:nowrap}
.nav{display:flex;align-items:center;gap:17px;margin-left:auto}
.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}
.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}
.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink);font-size:20px}
.section{padding:76px 0}
.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.055em;margin:14px 0 23px}
h2{font-size:clamp(28px,3vw,40px);line-height:1.28;letter-spacing:-.035em;margin-bottom:18px}
h3{font-size:20px;line-height:1.45;margin-bottom:10px}
p{margin-bottom:16px}
.lead{font-size:18px;line-height:1.95;color:#415c73;max-width:720px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}
.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}
.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}
.btn.text{padding:4px 0;color:var(--blue);min-height:auto}
.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
.btn:focus-visible,.menu:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8dbad7;outline-offset:3px}
.page-hero{padding:34px 0 64px;background:linear-gradient(180deg,#f3f8fb 0%,var(--paper) 100%)}
.hero-board{display:grid;grid-template-columns:7fr 5fr;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.hero-copy{padding:52px 50px 42px;display:flex;flex-direction:column;align-items:flex-start}
.hero-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:auto;padding-top:21px}
.tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:5px;background:var(--gold-bg);color:#8b682d;font-size:12px;font-weight:700}
.hero-image{min-height:365px;position:relative;background:#d6e3ea}
.hero-image img{height:100%}
.hero-image:after{content:"内容看点";position:absolute;left:24px;bottom:22px;padding:7px 12px;background:rgba(19,57,85,.88);color:#fff;font-size:13px;letter-spacing:.12em}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head p{max-width:550px;margin:0;color:var(--muted)}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px}
.photo-card{position:relative;min-height:440px;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:#d8e5ec}
.photo-card img{height:100%}
.photo-caption{position:absolute;right:0;bottom:0;left:0;padding:26px;background:linear-gradient(transparent,rgba(16,41,62,.88));color:#fff}
.photo-caption h3{font-size:24px;margin-bottom:5px}
.photo-caption p{margin:0;color:#e2edf3}
.note-stack{display:grid;grid-template-rows:1.1fr .9fr;gap:18px}
.note-card,.reading-card,.quote-card,.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.note-card{padding:30px}
.note-card.emphasis{background:#eaf4fa;border-color:#c9deeb}
.number{font-size:13px;letter-spacing:.12em;font-weight:800;color:var(--gold)}
.checklist{padding:0;margin:18px 0 0;list-style:none}
.checklist li{padding:11px 0;border-top:1px solid var(--line);color:#476176}
.checklist li:before{content:"—";color:var(--gold);font-weight:800;margin-right:9px}
.story-layout{display:grid;grid-template-columns:minmax(0,760px) 270px;justify-content:space-between;gap:54px}
.long-read{font-size:17px;color:#344f66}
.long-read h3{margin-top:34px;font-size:25px;color:var(--ink)}
.long-read p{margin-bottom:20px}
.reading-card{padding:25px;height:max-content;position:sticky;top:115px}
.reading-card strong{display:block;margin-bottom:12px}
.reading-card a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:#48657b;font-size:14px}
.reading-card a:hover{color:var(--blue)}
.pullquote{margin:30px 0;padding:24px 27px;border-left:4px solid var(--gold);background:#fbf6ed;color:#29445b;font-size:20px;line-height:1.72;font-weight:700}
.mosaic{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center;background:var(--mist);padding:48px;border-radius:24px}
.mosaic-image{height:400px;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.mosaic-image img{height:100%}
.point-list{display:grid;gap:13px;margin-top:23px}
.point{display:grid;grid-template-columns:44px 1fr;gap:15px;padding:15px 0;border-bottom:1px solid #cddde8}
.point:last-child{border-bottom:0}
.point b{display:grid;place-items:center;width:38px;height:38px;background:#fff;border:1px solid #bad1e1;color:var(--blue);border-radius:50%;font-size:14px}
.point p{margin:3px 0 0;color:#516b80;font-size:14px}
.annotation{display:grid;grid-template-columns:1fr 1.08fr;gap:0;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
.annotation img{height:100%;min-height:395px}
.annotation article{padding:43px}
.annotation small{color:var(--muted)}
.annotation ul{padding-left:20px;color:#486278}
.annotation li{margin-bottom:9px}
.scenario-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
.scenario{padding:28px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.22s ease}
.scenario:first-child{background:#183d5c;color:#fff;border-color:#183d5c}
.scenario:first-child p{color:#dcebf3}
.scenario:hover{transform:translateY(-4px);border-color:#8ab3d0;box-shadow:var(--shadow)}
.scenario .tag{margin-bottom:17px}
.scenario p{font-size:14px;color:var(--muted);margin-bottom:0}
.faq-zone{background:#f1f7fa}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px;align-items:start}
.faq-list{display:grid;gap:10px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:.2s ease}
.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}
.faq-list summary{padding:16px 27px 16px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}
.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-list p{font-size:14px;margin:0 0 17px;color:#526b80}
.related-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.related-card{padding:31px}
.related-card.primary{background:#eaf4fa}
.related-card ul{list-style:none;padding:0;margin:20px 0 0}
.related-card li{border-top:1px solid var(--line)}
.related-card li a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;color:#426177}
.related-card li a:hover{color:var(--blue)}
.cta{padding:76px 0}
.cta-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-panel h2{margin-bottom:16px}
.cta-panel p{color:#d8e8f2}
.form{display:grid;gap:12px}
.form label{font-size:13px;color:#d7e7f0}
.form input,.form select{width:100%;margin-top:5px;padding:11px 12px;border-radius:8px;border:1px solid #7193a9;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus{outline:3px solid #8ebbd7;outline-offset:2px;border-color:#fff}
.form .btn{margin-top:5px}
.form-note{font-size:12px!important;margin:2px 0 0!important;color:#b9d0de!important}
footer{background:#102d46;color:#d3e0e8;padding:55px 0 22px}
.foot-grid{display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:50px;padding-bottom:36px}
.foot-brand{font-size:32px;font-weight:800;color:#fff;letter-spacing:-.06em}
footer p{font-size:14px;color:#aebfca}
footer strong{color:#fff;font-size:15px}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;margin-top:13px}
.foot-links a,footer .legal a{font-size:14px;color:#c6d8e3}
.foot-links a:hover,footer .legal a:hover{color:#fff;text-decoration:underline}
.legal{padding-top:20px;border-top:1px solid rgba(201,221,233,.22);display:flex;gap:13px 22px;flex-wrap:wrap;font-size:12px;color:#9db3c1}
@media(max-width:1100px){
 .channel-note{display:none}.nav{gap:12px}.nav a{font-size:13px}.hero-copy{padding:42px 36px}.story-layout{gap:30px}.mosaic{padding:30px}.foot-grid{gap:30px}
}
@media(max-width:767px){
 .container{width:min(calc(100% - 32px),var(--container))}.utility .container span:last-child{display:none}.brandrow{min-height:69px;gap:13px;flex-wrap:wrap}.brand{font-size:30px}.brand small{margin-top:4px}.brandline{display:none}.menu{display:block;margin-left:auto}.nav{display:none;width:100%;order:3;margin:0;padding:5px 0 15px;overflow-x:auto}.nav.open{display:flex}.nav a{padding:9px 0;border-bottom-width:2px;min-height:44px}.section{padding:53px 0}.page-hero{padding-bottom:43px}.hero-board,.intro-grid,.mosaic,.annotation,.faq-grid,.related-grid,.cta-panel{grid-template-columns:1fr}.hero-copy{padding:35px 25px 30px}.hero-image{min-height:280px}.section-head{display:block;margin-bottom:23px}.section-head p{margin-top:10px}.photo-card{min-height:320px}.story-layout{grid-template-columns:1fr}.reading-card{position:static}.mosaic{padding:22px;gap:25px}.mosaic-image{height:270px}.annotation article{padding:30px 24px}.annotation img{min-height:280px;height:280px}.scenario-grid{grid-template-columns:1fr}.faq-grid{gap:27px}.cta-panel{padding:30px 24px;gap:22px}.foot-grid{grid-template-columns:1fr;gap:25px}.legal{display:grid;gap:7px}.lead{font-size:16px}h1{font-size:39px}
}
@media(max-width:520px){
 .utility{font-size:11px}.hero-meta{gap:6px}.btn{width:100%}.btn.text{width:auto}.photo-caption{padding:19px}.photo-caption h3{font-size:20px}.pullquote{font-size:18px;padding:20px}.section{padding:47px 0}.foot-links{grid-template-columns:1fr}.mosaic{margin:0 -2px;border-radius:18px}.tag{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}
}

/* roulang page: category5 */
:root{
 --ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;
 --paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;
 --shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);
 --radius:18px;--radius-sm:11px;--container:1220px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}
a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.utility{background:#f0f6fa;border-bottom:1px solid var(--line);color:#547086;font-size:12px}.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
.masthead{background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brandrow{min-height:86px;display:flex;align-items:center;gap:24px}.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}.brandline{height:44px;width:1px;background:var(--line)}.channel-note{font-size:13px;color:var(--muted);white-space:nowrap}.nav{margin-left:auto;display:flex;align-items:center;gap:17px}.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #91bbd8;outline-offset:3px}.section{padding:72px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:750;letter-spacing:.08em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.045em;margin:16px 0 20px}h2{font-size:clamp(27px,3vw,38px);line-height:1.3;letter-spacing:-.025em;margin-bottom:18px}h3{font-size:19px;line-height:1.45;margin-bottom:8px}.lead{font-size:18px;line-height:1.9;color:#3e5870;max-width:760px}.muted{color:var(--muted)}.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.2s ease}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}.btn.text{padding:4px 0;color:var(--blue);min-height:auto}.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
.breadcrumb{padding:15px 0;color:var(--muted);font-size:13px}.breadcrumb a:hover{color:var(--blue)}.banner{background:#f0f7fb;padding:42px 0 45px;border-bottom:1px solid var(--line)}.banner-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:45px;align-items:center}.banner-image{height:310px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#d7e5ee}.banner-image img{height:100%}.banner-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.tag{display:inline-block;padding:3px 8px;border-radius:5px;background:var(--gold-bg);color:#8b682d;font-size:12px;font-weight:700}.tag.blue{background:#e4f0f8;color:#28608b}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}.section-head p{max-width:610px;margin-bottom:0}.editorial-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}.lead-story{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.lead-story figure{margin:0;height:295px;position:relative}.lead-story figure:after{content:"主推记录";position:absolute;left:20px;top:18px;padding:4px 10px;border-radius:5px;background:#fff;color:var(--blue);font-size:12px;font-weight:800}.lead-story img{height:100%}.story-body{padding:28px}.story-body h2{font-size:28px;margin:9px 0 12px}.story-body p{color:#50667a}.date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.side-stories{display:grid;gap:14px}.brief{display:grid;grid-template-columns:92px 1fr;gap:17px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s ease}.brief:hover{border-color:#8bb4d0;box-shadow:var(--shadow);transform:translateY(-3px)}.brief time{font-size:13px;line-height:1.45;color:var(--blue);font-weight:800;border-right:1px solid var(--line);padding-right:10px}.brief p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
.digest{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}.digest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.digest-item{padding:7px 24px;border-right:1px solid var(--line)}.digest-item:first-child{padding-left:0}.digest-item:last-child{border:0}.digest-item strong{display:block;font-size:34px;color:var(--blue);line-height:1.1}.digest-item span{display:block;font-size:13px;color:var(--muted);margin-top:8px}
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}.date-group{margin-bottom:38px}.group-title{display:flex;align-items:center;gap:14px;color:var(--blue);font-size:15px;font-weight:800;margin-bottom:12px}.group-title:after{content:"";height:1px;flex:1;background:var(--line)}.news-row{display:grid;grid-template-columns:95px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.news-row:first-of-type{border-top:1px solid var(--line)}.news-row:hover h3{color:var(--blue)}.news-row .date{font-weight:750;color:#42677f}.news-row p{font-size:14px;line-height:1.7;color:var(--muted);margin:5px 0 0}.news-row .btn{white-space:nowrap}
.sidebar-card{background:#eaf4fa;border:1px solid #cfe0eb;border-radius:18px;padding:25px;margin-bottom:18px}.sidebar-card h3{font-size:20px}.hot-list{list-style:none;margin:14px 0 0;padding:0;counter-reset:hot}.hot-list li{counter-increment:hot;display:grid;grid-template-columns:27px 1fr;gap:10px;padding:13px 0;border-bottom:1px solid #cfdfeb;font-size:14px;line-height:1.6}.hot-list li:last-child{border-bottom:0}.hot-list li:before{content:"0" counter(hot);color:var(--gold);font-weight:850}.topic-list{display:flex;flex-wrap:wrap;gap:8px}.topic-list a{padding:7px 9px;background:#fff;border:1px solid var(--line);border-radius:7px;font-size:13px;color:#48667c;transition:.2s}.topic-list a:hover{color:var(--blue);border-color:var(--blue)}
.reading-note{display:grid;grid-template-columns:.75fr 1.25fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.reading-note figure{margin:0;height:100%;min-height:380px}.reading-note img{height:100%}.reading-copy{padding:38px 44px 38px 0}.reading-copy p{color:#496278}.reading-copy blockquote{margin:20px 0;padding:14px 18px;background:#fbf5e9;border-left:3px solid var(--gold);color:#4c6275}
.faq-zone{background:#eef6fa}.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;transition:.2s ease}.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}.faq-list summary{padding:16px 25px 16px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}.faq-list details[open] summary:after{content:"－"}.faq-list p{font-size:14px;margin:0 0 17px;color:#4e667a}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related article{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.2s}.related article:hover{transform:translateY(-4px);border-color:#8bb4d0;box-shadow:var(--shadow)}.related img{height:155px}.related div{padding:18px}.related p{font-size:14px;color:var(--muted);margin-bottom:10px}
.cta{padding:72px 0}.cta-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}.cta-panel p{color:#d8e8f2}.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form label{font-size:13px;color:#d7e7f0}.form input,.form select{width:100%;margin-top:5px;padding:11px 12px;border-radius:8px;border:1px solid #6d8ba1;background:#fff;color:var(--ink)}.form .wide{grid-column:1/-1}.form .btn{width:100%;border:0}.form-note{font-size:12px!important;margin:8px 0 0!important}
footer{background:#132e46;color:#d5e2eb;padding:48px 0 22px}footer p{font-size:14px;line-height:1.75;color:#b7cad8}.foot-grid{display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:48px}.foot-brand{font-size:30px;font-weight:850;color:#fff;letter-spacing:-1px}.foot-grid strong{color:#fff;font-size:15px}.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:13px}.foot-links a,.legal a{font-size:14px;color:#c3d5e1}.foot-links a:hover,.legal a:hover{color:#fff;text-decoration:underline}.legal{display:flex;flex-wrap:wrap;gap:12px 22px;border-top:1px solid #355269;margin-top:34px;padding-top:18px;font-size:12px;color:#aac0cf}
@media(max-width:1100px){.channel-note{display:none}.nav{gap:12px}.brandrow{gap:16px}.news-layout{grid-template-columns:1fr 285px}}@media(max-width:820px){.container{width:min(calc(100% - 32px),var(--container))}.brandrow{min-height:72px;flex-wrap:wrap}.brand{font-size:30px}.brandline{display:none}.menu{display:block;margin-left:auto}.nav{display:none;order:3;width:100%;overflow:auto;margin:0;border-top:1px solid var(--line);padding:0 0 4px}.nav.open{display:flex}.nav a{padding:12px 0 9px;font-size:13px}.banner-grid,.editorial-grid,.news-layout,.reading-note,.faq-grid,.cta-panel{grid-template-columns:1fr}.banner-image{height:250px;order:-1}.digest-grid{grid-template-columns:1fr 1fr}.digest-item{padding:16px;border-bottom:1px solid var(--line)}.digest-item:nth-child(2){border-right:0}.digest-item:nth-child(3),.digest-item:nth-child(4){border-bottom:0}.reading-copy{padding:30px}.reading-note figure{min-height:270px}.sidebar-card{margin-top:0}.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}@media(max-width:560px){body{font-size:16px}.utility .container span:last-child{display:none}.section{padding:52px 0}.banner{padding:30px 0}.banner-image{height:210px}h1{font-size:37px}.lead{font-size:16px}.section-head{display:block}.section-head p{margin-top:12px}.brief{grid-template-columns:74px 1fr}.news-row{grid-template-columns:1fr;gap:7px;padding:20px 0}.news-row .btn{justify-content:flex-start}.digest{padding:18px}.digest-item strong{font-size:29px}.digest-item{padding:15px 12px}.related{grid-template-columns:1fr}.faq-grid{gap:25px}.cta-panel{padding:28px}.form{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}.foot-links{grid-template-columns:1fr 1fr}.legal{display:grid;gap:7px}.btn{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category4 */
:root{
 --ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;
 --paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;
 --shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);
 --radius:18px;--radius-sm:11px;--container:1220px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(33,107,165,.35);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.utility{background:#eaf3f8;border-bottom:1px solid var(--line);color:#526c80;font-size:12px}
.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
.masthead{position:sticky;top:0;z-index:30;background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.brandrow{min-height:86px;display:flex;align-items:center;gap:24px}
.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}
.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}
.brandline{height:44px;width:1px;background:var(--line)}
.channel-note{font-size:13px;color:var(--muted);white-space:nowrap}
.nav{margin-left:auto;display:flex;align-items:center;gap:17px}
.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}
.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}
.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink);font-size:20px}
.section{padding:76px 0}
.section.mist{background:var(--mist)}
.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,58px);line-height:1.19;letter-spacing:-.045em;margin:14px 0 20px}
h2{font-size:clamp(28px,3.2vw,40px);line-height:1.3;letter-spacing:-.035em;margin-bottom:16px}
h3{font-size:20px;line-height:1.45;margin-bottom:8px}
p{color:#476077}
.lead{font-size:18px;line-height:1.9;max-width:720px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}
.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}
.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}
.btn.text{padding:4px 0;color:var(--blue);min-height:auto}
.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
.breadcrumb{padding:18px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb span{margin:0 8px;color:#91a7b7}
.guide-hero{padding:34px 0 60px;background:linear-gradient(180deg,#f4f9fc 0%,var(--paper) 100%)}
.hero-layout{display:grid;grid-template-columns:1fr .86fr;gap:52px;align-items:center}
.hero-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
.tag{display:inline-block;padding:4px 9px;border-radius:5px;background:var(--gold-bg);color:#8b682d;font-size:12px;font-weight:700}
.tag.blue{background:#e5f1f8;color:#24618f}
.hero-cover{min-height:355px;border-radius:22px;overflow:hidden;position:relative;background:#d7e5ee;box-shadow:var(--shadow-lg)}
.hero-cover:after{content:"参与之前，先把信息看清";position:absolute;left:22px;bottom:20px;padding:8px 13px;border-radius:8px;background:rgba(22,43,67,.85);color:#fff;font-weight:700;font-size:14px}
.hero-cover img{height:100%}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
.section-head p{max-width:600px;margin:0}
.search-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;padding:28px 31px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.search-label{font-size:13px;font-weight:700;color:var(--blue);margin-bottom:7px}
.search-wrap{display:flex;border:1px solid #b9cede;border-radius:10px;overflow:hidden;background:#fff}
.search-wrap input{min-width:0;flex:1;border:0;padding:13px 14px;color:var(--ink);outline:0}
.search-wrap button{border:0;background:var(--blue);color:#fff;padding:0 18px;font-weight:700;transition:.2s ease}
.search-wrap button:hover{background:var(--blue-dark)}
.quick-links{display:flex;flex-wrap:wrap;gap:8px}
.quick-links a{padding:6px 10px;border-radius:7px;background:var(--mist);color:#365e7b;font-size:13px;transition:.2s ease}
.quick-links a:hover{background:#d7eaf6;color:var(--blue-dark)}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.topic-main,.topic-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);transition:.22s ease}
.topic-main{padding:32px;display:grid;grid-template-columns:94px 1fr;gap:23px}
.topic-card{padding:24px}
.topic-main:hover,.topic-card:hover{transform:translateY(-4px);border-color:#93b9d3;box-shadow:var(--shadow-lg)}
.topic-icon{width:72px;height:72px;border-radius:16px;background:var(--gold-bg);color:#957038;display:grid;place-items:center;font-size:25px;font-weight:800}
.topic-side{display:grid;gap:18px}
.topic-card p,.topic-main p{font-size:14px;margin-bottom:0}
.answer-layout{display:grid;grid-template-columns:250px minmax(0,760px) 1fr;gap:42px;align-items:start}
.side-index{position:sticky;top:116px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:15px}
.side-index strong{display:block;margin-bottom:9px;font-size:14px}
.side-index a{display:block;padding:8px 0;border-bottom:1px solid #e8eff4;color:#587186;font-size:14px}
.side-index a:last-child{border-bottom:0}
.side-index a:hover{color:var(--blue)}
.reading h2{font-size:30px}
.reading h3{margin-top:31px}
.reading p{font-size:16px}
.note-box{padding:23px;background:#e4f0f7;border-left:3px solid var(--gold);border-radius:0 14px 14px 0}
.note-box strong{display:block;margin-bottom:8px}
.note-box p{font-size:14px;margin:0}
.faq-list{display:grid;gap:12px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:.2s ease}
.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}
.faq-list summary{padding:17px 29px 17px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}
.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-list p{font-size:15px;margin:0 0 18px}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.path-step{padding:25px 20px 27px;border-right:1px solid var(--line)}
.path-step:last-child{border-right:0}
.path-no{display:block;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:15px}
.path-step p{font-size:14px;margin:0}
.checklist{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;padding:34px;background:#fff;border:1px solid var(--line);border-radius:21px;box-shadow:var(--shadow)}
.check-image{border-radius:15px;overflow:hidden;min-height:290px;background:#dce8f0}
.check-image img{height:100%}
.check-items{display:grid;gap:11px;margin-top:20px}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid #e5edf3}
.check-item:last-child{border-bottom:0}
.check-item b{flex:0 0 24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--gold-bg);color:#946c2b;font-size:13px}
.related-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:19px}
.related-feature,.related-list a{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;box-shadow:var(--shadow);transition:.2s ease}
.related-feature{display:grid;grid-template-columns:.85fr 1.15fr}
.related-feature img{height:100%}
.related-feature div{padding:27px}
.related-list{display:grid;gap:11px}
.related-list a{display:block;padding:18px 20px}
.related-list a:hover,.related-feature:hover{border-color:#91b9d4;transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.related-list small{display:block;color:var(--gold);font-weight:700;margin-bottom:4px}
.related-list span{font-weight:700}
.cta{padding:76px 0}
.cta-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-panel p{color:#d8e8f2}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{font-size:13px;color:#d7e7f0}
.form input,.form select,.form textarea{width:100%;margin-top:5px;padding:11px 12px;border-radius:8px;border:1px solid #91b6cd;background:#fff;color:var(--ink)}
.form textarea{min-height:89px;resize:vertical}
.form .wide{grid-column:1/-1}
.form .btn{width:100%;border:0}
.form-note{font-size:12px!important;margin:10px 0 0!important}
footer{background:#122d45;color:#d5e2eb;padding:53px 0 20px}
.foot-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:48px}
.foot-brand{font-size:30px;font-weight:800;color:#fff;letter-spacing:-1px}
footer p{color:#b8cbd8;font-size:14px;margin:8px 0 0}
footer strong{color:#fff;font-size:14px}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:7px 16px;margin-top:12px}
.foot-links a{font-size:14px;color:#c7d9e5}
.foot-links a:hover,footer .legal a:hover{color:#fff;text-decoration:underline}
.legal{margin-top:39px;padding-top:17px;border-top:1px solid rgba(216,228,237,.22);display:flex;flex-wrap:wrap;gap:9px 18px;font-size:12px;color:#a9bdcb}
@media(max-width:1050px){
 .brandrow{gap:17px}.channel-note{display:none}.nav{gap:12px}.nav a{font-size:13px}
 .answer-layout{grid-template-columns:190px minmax(0,1fr)}.note-box{grid-column:2}
 .path-grid{grid-template-columns:repeat(2,1fr)}.path-step:nth-child(2){border-right:0}.path-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:767px){
 body{font-size:16px;line-height:1.78}.container{width:min(calc(100% - 32px),var(--container))}
 .utility .container{justify-content:center}.utility .container span:last-child{display:none}
 .masthead{position:relative}.brandrow{min-height:76px;flex-wrap:wrap;gap:12px}.brand{font-size:31px}.brandline{display:none}
 .menu{display:block;margin-left:auto}.nav{order:3;width:calc(100% + 32px);margin:0 -16px;overflow-x:auto;gap:18px;padding:0 16px;border-top:1px solid var(--line);scrollbar-width:none}
 .nav a{padding:13px 0 11px;font-size:14px}.nav.is-open{display:flex}
 .breadcrumb{padding-top:14px}.guide-hero{padding:20px 0 45px}.hero-layout,.search-panel,.topic-grid,.answer-layout,.checklist,.related-grid,.cta-panel{grid-template-columns:1fr;gap:24px}
 .hero-cover{min-height:265px}.section{padding:55px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:10px}
 .topic-main{grid-template-columns:70px 1fr;padding:24px;gap:17px}.topic-icon{width:58px;height:58px;font-size:21px}
 .side-index{position:static}.note-box{grid-column:auto}.reading h2{font-size:27px}
 .path-grid{grid-template-columns:1fr}.path-step,.path-step:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.path-step:last-child{border-bottom:0}
 .check-image{min-height:225px}.related-feature{grid-template-columns:1fr}.related-feature img{height:215px}
 .cta{padding:55px 0}.cta-panel{padding:28px}.form{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr;gap:27px}.legal{display:grid;gap:7px}
}
@media(max-width:520px){
 h1{font-size:36px}.lead{font-size:16px}.hero-meta{margin-top:18px}.btns .btn{width:100%}
 .search-wrap{flex-direction:column}.search-wrap button{min-height:44px}.faq-list details{padding:0 16px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* roulang page: category6 */
:root{
 --ink:#162b43;--muted:#607287;--blue:#216ba5;--blue-dark:#175783;--mist:#edf5fa;
 --paper:#fbfcfd;--white:#fff;--line:#d8e4ed;--gold:#b98b42;--gold-bg:#fbf3e5;
 --shadow:0 12px 30px rgba(24,59,87,.10);--shadow-lg:0 20px 48px rgba(20,57,87,.15);
 --radius:18px;--radius-sm:11px;--container:1220px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.82}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(33,107,165,.36);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.utility{border-bottom:1px solid var(--line);background:#f5f9fc;color:var(--muted);font-size:12px}
.utility .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
.masthead{background:rgba(251,252,253,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brandrow{min-height:86px;display:flex;align-items:center;gap:24px}
.brand{font-size:37px;line-height:1;font-weight:850;letter-spacing:-2px;color:#143959}
.brand small{display:block;margin-top:7px;font-size:10px;letter-spacing:2px;color:var(--gold)}
.brandline{height:44px;width:1px;background:var(--line)}
.channel-note{font-size:13px;color:var(--muted);margin-right:auto;white-space:nowrap}
.nav{display:flex;align-items:center;gap:17px}
.nav a{font-size:14px;white-space:nowrap;padding:29px 0 23px;border-bottom:3px solid transparent;transition:.2s ease}
.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}
.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:44px;height:44px;color:var(--ink)}
.section{padding:76px 0}
.mist{background:var(--mist)}
.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--gold)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(37px,5vw,58px);line-height:1.18;letter-spacing:-.055em;margin:15px 0 21px}
h2{font-size:clamp(27px,3vw,40px);line-height:1.28;letter-spacing:-.035em;margin-bottom:18px}
h3{font-size:20px;line-height:1.45;margin-bottom:10px}
p{color:#4f657a}
.lead{font-size:18px;line-height:1.95;max-width:720px}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:15px;transition:.2s ease}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 7px 14px rgba(33,107,165,.18)}
.btn.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn.primary:active{transform:translateY(0)}
.btn.secondary{background:#fff;border-color:#b9cede;color:var(--blue)}
.btn.secondary:hover{border-color:var(--blue);background:var(--mist)}
.btn.text{padding:5px 0;color:var(--blue);min-height:auto}
.btn.text:hover{color:var(--blue-dark);transform:translateX(3px)}
.breadcrumb{padding:18px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
.hero-inner{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;padding:43px 0 54px}
.hero{background:linear-gradient(180deg,#f4f9fc 0%,#fbfcfd 100%)}
.hero-copy{padding:20px 0}
.hero-cover{height:360px;border-radius:23px;overflow:hidden;position:relative;background:#d9e6ee;box-shadow:var(--shadow-lg)}
.hero-cover:after{content:"资料阅读";position:absolute;right:18px;bottom:17px;padding:6px 11px;background:rgba(22,43,67,.82);color:#fff;font-size:12px;letter-spacing:.12em;border-radius:5px}
.hero-cover img{height:100%}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.tag,.status{display:inline-block;padding:3px 8px;border-radius:5px;background:var(--gold-bg);color:#8b682d;font-size:12px;font-weight:700}
.status{background:#eaf4fa;color:#24608b}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
.section-head p{max-width:600px;margin:0}
.index-layout{display:grid;grid-template-columns:270px 1fr;gap:40px;align-items:start}
.index-nav{position:sticky;top:120px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 20px rgba(24,59,87,.05)}
.index-nav strong{display:block;margin-bottom:10px}
.index-nav a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:#526a80;transition:.2s}
.index-nav a:last-child{border:0}
.index-nav a:hover{color:var(--blue);padding-left:4px}
.resource-list{display:grid;gap:14px}
.resource-item{display:grid;grid-template-columns:58px 1fr auto;gap:20px;align-items:start;padding:25px;background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 16px rgba(24,59,87,.04);transition:.22s ease}
.resource-item:hover{transform:translateY(-3px);border-color:#8db8d5;box-shadow:var(--shadow)}
.resource-num{color:var(--gold);font-size:26px;line-height:1;font-weight:800;padding-top:4px}
.resource-item p{margin-bottom:12px;font-size:14px}
.resource-side{min-width:112px;text-align:right}
.resource-side small{display:block;color:var(--muted);font-size:12px;margin:8px 0}
.map-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:25px}
.map-feature,.map-panel,.reading-card,.quote-box,.faq-list details,.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 7px 20px rgba(24,59,87,.05)}
.map-feature{overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr}
.map-feature img{height:100%}
.map-copy{padding:31px}
.map-panel{padding:28px}
.map-panel ul{list-style:none;padding:0;margin:15px 0 0}
.map-panel li{padding:13px 0;border-bottom:1px solid var(--line);color:#4f657a}
.map-panel li:last-child{border:0}
.map-panel li b{display:inline-block;width:27px;color:var(--gold)}
.reading-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
.reading-card{padding:31px}
.reading-card h3{font-size:24px}
.reading-card ol{padding-left:20px;color:#4f657a}
.reading-card li{padding:6px 0}
.article{max-width:760px}
.article p{font-size:16px;line-height:2;margin-bottom:20px}
.article h3{margin-top:28px}
.article blockquote{margin:25px 0;padding:16px 20px;background:#fbf6ed;border-left:3px solid var(--gold);color:#53667a}
.note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0;margin-top:26px;font-size:14px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.timeline div{padding:22px;border-right:1px solid var(--line)}
.timeline div:last-child{border:0}
.timeline b{display:block;color:var(--gold);font-size:25px;line-height:1.1;margin-bottom:9px}
.timeline p{font-size:14px;margin:0}
.feature-note{display:grid;grid-template-columns:1fr .95fr;gap:42px;align-items:center}
.feature-note figure{margin:0}
.feature-note img{height:370px;border-radius:19px;box-shadow:var(--shadow)}
.feature-note figcaption{font-size:13px;color:var(--muted);padding-top:8px}
.quote-box{padding:26px;margin-top:24px;background:#f9fcfe}
.quote-box p{font-size:18px;line-height:1.8;margin:0;color:#34546d}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start}
.faq-list{display:grid;gap:10px}
.faq-list details{padding:0 18px;transition:.2s ease}
.faq-list details[open]{border-color:#91b9d4;box-shadow:0 7px 16px rgba(22,56,83,.06)}
.faq-list summary{padding:16px 25px 16px 0;font-weight:700;cursor:pointer;list-style:none;position:relative}
.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-list p{font-size:14px;margin:0 0 17px}
.related-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:16px}
.related-card{padding:25px;transition:.22s ease}
.related-card:hover{transform:translateY(-4px);border-color:#91b9d4;box-shadow:var(--shadow)}
.related-card.feature{background:#eaf4fa}
.related-card p{font-size:14px}
.cta{padding:76px 0}
.cta-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;padding:42px;background:#193e5d;border-radius:22px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-panel p{color:#d8e8f2}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{font-size:13px;color:#d7e7f0}
.form input,.form select,.form textarea{width:100%;margin-top:5px;padding:11px 12px;border-radius:8px;border:1px solid #9fb9cc;background:#fff;color:var(--ink)}
.form textarea{min-height:90px;resize:vertical}
.form .wide{grid-column:1/-1}
.form small{grid-column:1/-1;color:#bfd2df;font-size:12px}
footer{background:#17354f;color:#d9e8f1;padding:50px 0 20px}
.foot-grid{display:grid;grid-template-columns:1.15fr .9fr .85fr;gap:48px}
.foot-brand{font-size:31px;line-height:1;font-weight:850;color:#fff;margin-bottom:16px}
footer p{color:#bcd0dc;font-size:14px;margin:0}
footer strong{display:block;color:#fff;margin-bottom:13px}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.foot-links a{font-size:14px;color:#c7dce8;transition:.2s}
.foot-links a:hover,.legal a:hover{color:#fff;text-decoration:underline}
.legal{border-top:1px solid rgba(215,231,240,.2);margin-top:37px;padding-top:19px;display:flex;flex-wrap:wrap;gap:9px 22px;color:#b7ccd8;font-size:12px}
@media(max-width:1199px){
 .channel-note{display:none}.nav{gap:12px}.nav a{font-size:13px}
 .hero-inner{gap:30px}.index-layout{gap:25px}.resource-item{gap:14px}
}
@media(max-width:767px){
 .container{width:min(calc(100% - 32px),var(--container))}
 .utility .container{font-size:11px}.utility .container span:last-child{display:none}
 .brandrow{min-height:70px;gap:14px;flex-wrap:wrap}.brand{font-size:30px}.brand small{margin-top:4px}
 .brandline{display:none}.menu{display:block;margin-left:auto}
 .nav{display:none;width:100%;order:3;overflow-x:auto;padding-bottom:8px;gap:18px}
 .nav.open{display:flex}.nav a{padding:8px 0 10px;font-size:14px}
 .breadcrumb{padding-top:13px}.hero-inner,.map-grid,.reading-grid,.feature-note,.faq-grid,.cta-panel{grid-template-columns:1fr;gap:27px}
 .hero-inner{padding:25px 0 38px}.hero-copy{padding:0}.hero-cover{height:270px}
 .section{padding:54px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:10px}
 .index-layout{grid-template-columns:1fr}.index-nav{position:static;display:flex;gap:15px;overflow:auto;padding:13px 16px}.index-nav strong{display:none}.index-nav a{white-space:nowrap;border:0;padding:4px 0}
 .resource-item{grid-template-columns:42px 1fr;padding:20px}.resource-side{grid-column:2;text-align:left;min-width:0;display:flex;gap:10px;align-items:center}
 .map-feature{grid-template-columns:1fr}.map-feature img{height:240px}.timeline{grid-template-columns:1fr 1fr}.timeline div:nth-child(2){border-right:0}.timeline div:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .feature-note img{height:270px}.related-grid,.foot-grid{grid-template-columns:1fr}.form{grid-template-columns:1fr}
}
@media(max-width:520px){
 h1{font-size:36px}.lead{font-size:16px}.btns{display:grid;grid-template-columns:1fr}.btn{width:100%}
 .hero-meta{gap:7px}.timeline{grid-template-columns:1fr}.timeline div{border-right:0;border-bottom:1px solid var(--line)}.timeline div:last-child{border-bottom:0}
 .resource-item{display:block}.resource-num{margin-bottom:12px}.resource-side{margin-top:12px}.cta-panel{padding:27px}.foot-links{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}