/* roulang page: index */
:root{
      --bg:#f5f9ff;
      --bg-soft:#eef7ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#60708a;
      --muted-2:#8795aa;
      --line:#dbe8f5;
      --primary:#1d78d6;
      --primary-2:#36a7dd;
      --primary-dark:#135aa8;
      --cyan:#29c2c8;
      --success:#19a974;
      --warning:#f2a541;
      --danger:#df5b5b;
      --shadow:0 18px 45px rgba(37,91,145,.10);
      --shadow-sm:0 10px 26px rgba(37,91,145,.08);
      --radius:22px;
      --radius-sm:14px;
      --radius-lg:30px;
      --container:1160px;
      --header-h:72px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 8%, rgba(54,167,221,.16), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(41,194,200,.13), transparent 24%),
        linear-gradient(180deg,#ffffff 0%,var(--bg) 44%,#ffffff 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0}
    ::selection{background:rgba(29,120,214,.18)}
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(219,232,245,.86);
    }
    .site-nav{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:900;
      letter-spacing:-.02em;
      color:#12243a;
      font-size:20px;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 12px 24px rgba(29,120,214,.22);
      display:grid;
      place-items:center;
      color:#fff;
      font-size:18px;
      font-weight:900;
    }
    .brand small{
      display:block;
      font-size:11px;
      color:var(--muted-2);
      font-weight:700;
      letter-spacing:.08em;
      margin-top:-3px;
    }
    .btn-main,.btn-soft,.btn-line{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      min-height:46px;
      padding:0 22px;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn-main{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 30px rgba(29,120,214,.22);
    }
    .btn-main:hover,.btn-main:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(29,120,214,.30);
    }
    .btn-main:active{transform:translateY(0);box-shadow:0 8px 18px rgba(29,120,214,.22)}
    .btn-soft{
      background:#eef7ff;
      color:var(--primary-dark);
      border:1px solid #d7eafa;
    }
    .btn-soft:hover,.btn-soft:focus{
      color:var(--primary-dark);
      border-color:#b8dbf6;
      background:#e3f2ff;
      transform:translateY(-2px);
    }
    .btn-line{
      color:var(--primary-dark);
      background:#fff;
      border:1px solid var(--line);
    }
    .btn-line:hover,.btn-line:focus{
      color:var(--primary);
      border-color:#a9d5f4;
      box-shadow:var(--shadow-sm);
      transform:translateY(-2px);
    }
    .btn-main:focus-visible,.btn-soft:focus-visible,.btn-line:focus-visible,
    .form-control:focus-visible,.form-check-input:focus-visible,.accordion-button:focus-visible{
      outline:3px solid rgba(41,194,200,.26);
      outline-offset:3px;
    }
    main{position:relative}
    .section{
      padding:82px 0;
      position:relative;
    }
    .section.tight{padding:58px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3vw,38px);
      letter-spacing:-.04em;
      line-height:1.18;
      font-weight:900;
      color:#142033;
    }
    .section-desc{
      max-width:670px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:rgba(29,120,214,.08);
      border:1px solid rgba(29,120,214,.12);
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }
    .dot{
      width:8px;height:8px;border-radius:50%;background:var(--cyan);
      box-shadow:0 0 0 5px rgba(41,194,200,.13);
      flex:none;
    }
    .hero{
      padding:74px 0 46px;
    }
    .coupon-wall{
      background:linear-gradient(135deg,#ffffff 0%,#f1f8ff 52%,#eaf9fb 100%);
      border:1px solid rgba(190,216,238,.92);
      border-radius:34px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .coupon-wall:before{
      content:"";
      position:absolute;
      inset:-80px -60px auto auto;
      width:280px;height:280px;
      border-radius:50%;
      background:rgba(41,194,200,.16);
      filter:blur(2px);
    }
    .coupon-wall:after{
      content:"";
      position:absolute;
      left:-100px;bottom:-140px;
      width:310px;height:310px;
      border-radius:50%;
      background:rgba(29,120,214,.10);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:28px;
      align-items:stretch;
      padding:34px;
    }
    .hero-copy{
      padding:28px 14px 24px 18px;
    }
    h1{
      margin:0;
      font-size:clamp(34px,5.2vw,62px);
      line-height:1.08;
      letter-spacing:-.06em;
      font-weight:950;
      color:#101c2d;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
      align-items:center;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      padding:0;
      list-style:none;
    }
    .hero-points li{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(219,232,245,.96);
      color:#31435d;
      font-size:13px;
      font-weight:750;
      box-shadow:0 8px 20px rgba(42,92,137,.06);
    }
    .coupon-stage{
      min-height:430px;
      display:grid;
      gap:14px;
      align-content:center;
    }
    .coupon-main{
      position:relative;
      background:#fff;
      border:1px solid #d9e9f7;
      border-radius:28px;
      padding:24px;
      box-shadow:0 24px 52px rgba(29,120,214,.15);
      overflow:hidden;
    }
    .coupon-main:before,.coupon-main:after{
      content:"";
      position:absolute;
      top:50%;
      width:28px;height:28px;
      border-radius:50%;
      background:#eff8ff;
      border:1px solid #d9e9f7;
      transform:translateY(-50%);
    }
    .coupon-main:before{left:-15px}
    .coupon-main:after{right:-15px}
    .coupon-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-bottom:18px;
      border-bottom:1px dashed #bfd6ea;
    }
    .coupon-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:#eef8ff;
      color:var(--primary-dark);
      font-size:12px;
      font-weight:900;
    }
    .coupon-time{
      color:var(--muted-2);
      font-size:12px;
      font-weight:800;
    }
    .coupon-value{
      display:flex;
      align-items:baseline;
      gap:10px;
      margin:22px 0 10px;
    }
    .coupon-value strong{
      font-size:54px;
      line-height:1;
      color:var(--primary);
      letter-spacing:-.05em;
    }
    .coupon-value span{
      color:var(--muted);
      font-weight:800;
    }
    .coupon-main h2{
      margin:0;
      font-size:24px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .coupon-main p{
      margin:10px 0 18px;
      color:var(--muted);
      font-size:15px;
    }
    .coupon-mini-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .coupon-mini{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.72);
      padding:14px;
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .coupon-mini:hover{
      transform:translateY(-3px);
      border-color:#b8dff5;
      box-shadow:var(--shadow);
    }
    .coupon-mini b{
      display:block;
      font-size:20px;
      color:#14355c;
      line-height:1.1;
    }
    .coupon-mini span{
      color:var(--muted);
      font-size:12px;
      font-weight:750;
    }
    .split-bg{background:linear-gradient(180deg,rgba(238,247,255,.74),rgba(255,255,255,.8))}
    .flow-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:stretch;
    }
    .plain-card,.data-card,.matrix-card,.rank-card,.review-card,.info-card,.form-panel,.note-card{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .plain-card:hover,.data-card:hover,.matrix-card:hover,.rank-card:hover,.review-card:hover,.info-card:hover,.note-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:#b8dcf5;
    }
    .plain-card{padding:26px}
    .flow-list{
      display:grid;
      gap:14px;
    }
    .flow-item{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      padding:18px;
      border-radius:18px;
      border:1px solid #e0edf8;
      background:linear-gradient(180deg,#fff,#f8fcff);
    }
    .flow-num{
      width:42px;height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:#eaf6ff;
      color:var(--primary-dark);
      font-weight:950;
    }
    .flow-item h3{
      margin:0 0 4px;
      font-size:17px;
      font-weight:900;
    }
    .flow-item p{margin:0;color:var(--muted);font-size:14px}
    .invite-board{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .data-card{padding:20px}
    .data-kicker{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .status-badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:850;
      border:1px solid rgba(29,120,214,.12);
      background:#eef7ff;
      color:var(--primary-dark);
    }
    .status-badge.green{background:#ebfaf5;color:#0b8660;border-color:#cdeee3}
    .status-badge.orange{background:#fff6e8;color:#9a6309;border-color:#f4dfba}
    .data-value{
      margin:14px 0 8px;
      font-size:30px;
      font-weight:950;
      letter-spacing:-.04em;
      color:#142033;
    }
    .data-card p{margin:0;color:var(--muted);font-size:14px}
    .trend{
      height:7px;
      background:#edf5fc;
      border-radius:999px;
      overflow:hidden;
      margin-top:16px;
    }
    .trend span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--cyan));
    }
    .rank-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .rank-card{padding:24px}
    .rank-card h3{
      margin:0 0 16px;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .rank-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .rank-list li{
      display:grid;
      grid-template-columns:34px 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px;
      border-radius:16px;
      background:#f7fbff;
      border:1px solid #e1edf8;
      transition:.2s ease;
    }
    .rank-list li:hover{background:#eef7ff;border-color:#c2e0f7}
    .rank-no{
      width:34px;height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:#fff;
      border:1px solid var(--line);
      font-weight:950;
      color:var(--primary);
    }
    .rank-name b{display:block;font-size:15px}
    .rank-name span{display:block;color:var(--muted);font-size:12px}
    .rank-score{font-weight:950;color:#14355c}
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:14px;
    }
    .entry{
      padding:18px 14px;
      min-height:126px;
      border-radius:22px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-sm);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:14px;
      transition:.22s ease;
    }
    .entry:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b8dcf5;color:inherit}
    .entry-icon{
      width:42px;height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,#eef8ff,#e9fbfb);
      color:var(--primary-dark);
      font-weight:950;
    }
    .entry b{font-size:15px}
    .entry span{color:var(--muted);font-size:12px}
    .stage{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:center;
    }
    .screen-frame{
      background:#10243f;
      border-radius:30px;
      padding:16px;
      box-shadow:0 26px 58px rgba(16,36,63,.18);
    }
    .screen-top{
      height:30px;
      border-radius:18px 18px 0 0;
      background:#18385f;
      display:flex;
      align-items:center;
      gap:7px;
      padding:0 14px;
    }
    .screen-top span{
      width:8px;height:8px;border-radius:50%;background:#64d7e0;opacity:.9;
    }
    .screen-body{
      background:#f8fcff;
      border-radius:0 0 20px 20px;
      padding:18px;
      display:grid;
      gap:12px;
    }
    .screen-row{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:16px;
      border:1px solid #dceaf6;
      background:#fff;
    }
    .screen-row b{font-size:14px}
    .screen-row small{color:var(--muted)}
    .pill-bar{
      width:92px;height:8px;border-radius:999px;background:#edf5fc;overflow:hidden;
    }
    .pill-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--cyan));border-radius:999px}
    .stage-copy .plain-card{height:100%}
    .review-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:22px;
      align-items:stretch;
    }
    .score-box{
      padding:28px;
      border-radius:var(--radius);
      background:linear-gradient(135deg,#ffffff,#eef8ff);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .score-box strong{
      font-size:54px;
      line-height:1;
      letter-spacing:-.06em;
      color:var(--primary);
    }
    .score-box p{color:var(--muted);margin:12px 0 18px}
    .review-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .review-card{padding:20px}
    .review-card p{margin:0 0 14px;color:#30425e}
    .review-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted-2);
      font-size:13px;
      font-weight:800;
    }
    .news-zone{
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .info-card{
      padding:20px;
      display:flex;
      flex-direction:column;
      gap:12px;
      min-height:188px;
    }
    .info-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      color:var(--muted-2);
      font-size:12px;
      font-weight:800;
    }
    .info-card h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      flex:1;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      font-weight:900;
      font-size:14px;
      margin-top:auto;
    }
    .read-link:hover{gap:12px;color:var(--primary)}
    .empty-state{
      padding:34px;
      border-radius:var(--radius);
      background:#fff;
      border:1px dashed #bddbf2;
      color:var(--muted);
      text-align:center;
      box-shadow:var(--shadow-sm);
    }
    .recommend-panel{
      padding:24px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#f4fbff);
      box-shadow:var(--shadow-sm);
      position:sticky;
      top:94px;
    }
    .recommend-panel h3{
      margin:0 0 14px;
      font-size:20px;
      font-weight:950;
    }
    .recommend-panel p{color:var(--muted);margin:0 0 18px}
    .mini-timeline{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .mini-timeline li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:16px;
      background:#fff;
      border:1px solid #e1edf8;
    }
    .mini-timeline i{
      width:10px;height:10px;border-radius:50%;background:var(--cyan);margin-top:7px;box-shadow:0 0 0 5px rgba(41,194,200,.12);flex:none;
    }
    .mini-timeline b{display:block;font-size:14px}
    .mini-timeline span{display:block;color:var(--muted);font-size:12px}
    .faq-wrap{
      max-width:900px;
      margin:0 auto;
    }
    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:20px!important;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      background:#fff;
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:950;
      color:#142033;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-dark);
      background:#f1f8ff;
    }
    .accordion-button:after{
      width:18px;height:18px;
      background-size:18px;
      filter:hue-rotate(175deg) saturate(1.2);
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--muted);
      font-size:15px;
      background:#fff;
    }
    .cta{
      padding:0 0 88px;
    }
    .cta-box{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      background:linear-gradient(135deg,#eaf6ff 0%,#ffffff 48%,#eafafa 100%);
      border:1px solid #cfe3f3;
      border-radius:34px;
      box-shadow:var(--shadow);
      padding:30px;
      overflow:hidden;
      position:relative;
    }
    .cta-box:before{
      content:"";
      position:absolute;
      right:-80px;top:-70px;
      width:240px;height:240px;border-radius:50%;
      background:rgba(29,120,214,.11);
    }
    .note-card{
      padding:26px;
      position:relative;
      z-index:1;
      background:rgba(255,255,255,.72);
    }
    .note-card h2{
      margin:0;
      font-size:clamp(26px,3vw,38px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .note-card p{color:var(--muted);margin:14px 0 20px}
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#30425e;
      font-weight:750;
      font-size:14px;
    }
    .check-list li:before{
      content:"✓";
      width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      background:#e9faf4;
      color:var(--success);
      font-size:13px;
      font-weight:950;
      flex:none;
      margin-top:1px;
    }
    .form-panel{
      padding:24px;
      position:relative;
      z-index:1;
      background:#fff;
    }
    .form-label{
      font-weight:850;
      color:#273a55;
      font-size:14px;
      margin-bottom:8px;
    }
    .form-control{
      border:1px solid #d7e6f2;
      border-radius:16px;
      padding:13px 15px;
      min-height:48px;
      color:var(--text);
      background:#fbfdff;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .form-control:focus{
      border-color:#8acdf0;
      box-shadow:0 0 0 4px rgba(41,194,200,.16);
      background:#fff;
    }
    textarea.form-control{min-height:112px;resize:vertical}
    .form-check{
      padding-left:1.8em;
      color:var(--muted);
      font-size:14px;
    }
    .form-check-input{
      border-color:#bcd3e8;
      width:1.08em;height:1.08em;
      margin-left:-1.8em;
      margin-top:.34em;
    }
    .form-check-input:checked{
      background-color:var(--primary);
      border-color:var(--primary);
    }
    .form-hint{
      display:block;
      color:var(--muted-2);
      font-size:12px;
      margin-top:8px;
    }
    .invalid-hint,.success-hint{
      display:none;
      margin-top:10px;
      padding:10px 12px;
      border-radius:14px;
      font-size:13px;
      font-weight:800;
    }
    .invalid-hint{background:#fff1f1;color:#a23c3c;border:1px solid #f0caca}
    .success-hint{background:#ecfaf5;color:#0b7c59;border:1px solid #cceee2}
    .site-footer{
      border-top:1px solid var(--line);
      background:#ffffff;
      padding:26px 0;
    }
    .footer-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--muted);
      font-size:13px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#172033;
      font-weight:950;
    }
    .footer-brand span:first-child{
      width:30px;height:30px;border-radius:11px;
      display:grid;place-items:center;
      background:#eef7ff;
      color:var(--primary);
    }
    .footer-note{
      text-align:right;
    }
    @media (max-width:1024px){
      :root{--header-h:66px}
      .hero-grid,.flow-wrap,.stage,.review-wrap,.news-zone,.cta-box{grid-template-columns:1fr}
      .coupon-stage{min-height:auto}
      .invite-board{grid-template-columns:repeat(2,1fr)}
      .entry-grid{grid-template-columns:repeat(3,1fr)}
      .rank-layout{grid-template-columns:1fr}
      .recommend-panel{position:relative;top:0}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .section.tight{padding:46px 0}
      .site-nav{min-height:62px}
      .brand{font-size:18px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .nav-cta{padding:0 16px;min-height:42px}
      .coupon-wall,.cta-box{border-radius:26px}
      .hero-grid{padding:22px;gap:20px}
      .hero-copy{padding:10px 2px 0}
      .hero-copy p{font-size:16px}
      .coupon-value strong{font-size:44px}
      .coupon-mini-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .invite-board{grid-template-columns:1fr}
      .entry-grid{grid-template-columns:repeat(2,1fr)}
      .review-list{grid-template-columns:1fr}
      .footer-inner{flex-direction:column;align-items:flex-start}
      .footer-note{text-align:left}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 22px,var(--container))}
      .brand small{display:none}
      .nav-cta{font-size:13px;padding:0 13px}
      .hero{padding:44px 0 26px}
      .hero-grid{padding:16px}
      h1{font-size:34px}
      .hero-actions .btn-main,.hero-actions .btn-soft,.form-panel .btn-main{width:100%}
      .hero-points li{width:100%;justify-content:center}
      .coupon-main{padding:20px}
      .coupon-top{align-items:flex-start;flex-direction:column}
      .coupon-value{display:block}
      .entry-grid{grid-template-columns:1fr}
      .flow-item,.rank-list li{grid-template-columns:1fr}
      .rank-score{justify-self:start}
      .cta-box{padding:18px}
      .plain-card,.rank-card,.note-card,.form-panel{padding:20px}
    }

/* roulang page: article */
:root{
      --bg:#f5f9ff;
      --bg-soft:#eef7ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#60708a;
      --muted-2:#8795aa;
      --line:#dbe8f5;
      --primary:#1d78d6;
      --primary-2:#36a7dd;
      --primary-dark:#135aa8;
      --cyan:#29c2c8;
      --success:#19a974;
      --warning:#f2a541;
      --danger:#df5b5b;
      --shadow:0 18px 45px rgba(37,91,145,.10);
      --shadow-sm:0 10px 26px rgba(37,91,145,.08);
      --radius:22px;
      --radius-sm:14px;
      --radius-lg:30px;
      --container:1160px;
      --header-h:66px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 8%, rgba(54,167,221,.16), transparent 28%),
        radial-gradient(circle at 88% 0%, rgba(41,194,200,.13), transparent 24%),
        linear-gradient(180deg,#ffffff 0%,var(--bg) 44%,#ffffff 100%);
      line-height:1.7;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0}
    ::selection{background:rgba(29,120,214,.18);color:#10233a}
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(219,232,245,.86);
    }
    .site-nav{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:900;
      letter-spacing:-.02em;
      color:#12243a;
      font-size:20px;
      white-space:nowrap;
    }
    .brand:hover{color:#12243a;transform:translateY(-1px)}
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 12px 24px rgba(29,120,214,.22);
      display:grid;
      place-items:center;
      color:#fff;
      font-size:18px;
      font-weight:900;
      flex:0 0 auto;
    }
    .brand small{
      display:block;
      font-size:11px;
      color:var(--muted-2);
      font-weight:700;
      letter-spacing:.08em;
      margin-top:-3px;
    }
    .btn-main,.btn-soft,.btn-line{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      min-height:46px;
      padding:0 22px;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      cursor:pointer;
      user-select:none;
      text-decoration:none;
    }
    .btn-main{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 30px rgba(29,120,214,.22);
    }
    .btn-main:hover,.btn-main:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(29,120,214,.30);
    }
    .btn-main:active{transform:translateY(0);box-shadow:0 8px 18px rgba(29,120,214,.22)}
    .btn-soft{
      background:#eef7ff;
      color:var(--primary-dark);
      border:1px solid #d7eafa;
    }
    .btn-soft:hover,.btn-soft:focus{
      color:var(--primary-dark);
      border-color:#b8dbf6;
      background:#e3f2ff;
      transform:translateY(-2px);
    }
    .btn-line{
      color:var(--primary-dark);
      background:#fff;
      border:1px solid var(--line);
    }
    .btn-line:hover,.btn-line:focus{
      color:var(--primary);
      border-color:#a9d5f4;
      box-shadow:var(--shadow-sm);
      transform:translateY(-2px);
    }
    .btn-main:focus-visible,.btn-soft:focus-visible,.btn-line:focus-visible,
    .form-control:focus-visible,.form-check-input:focus-visible,.accordion-button:focus-visible{
      outline:3px solid rgba(41,194,200,.26);
      outline-offset:3px;
    }
    main{position:relative}
    .section{
      padding:72px 0;
      position:relative;
    }
    .section.tight{padding:48px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-title{
      margin:0;
      font-size:clamp(24px,3vw,36px);
      letter-spacing:-.04em;
      line-height:1.18;
      font-weight:900;
      color:#142033;
    }
    .section-desc{
      max-width:670px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:rgba(29,120,214,.08);
      border:1px solid rgba(29,120,214,.12);
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }
    .article-hero{
      padding:44px 0 26px;
    }
    .article-shell{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(219,232,245,.96);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .article-shell:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:7px;
      background:linear-gradient(90deg,var(--primary),var(--cyan),rgba(29,120,214,.12));
    }
    .article-head{
      padding:34px 36px 30px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:28px;
      align-items:stretch;
    }
    .breadcrumb-lite{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:18px;
    }
    .breadcrumb-lite a{
      color:var(--primary-dark);
      font-weight:800;
    }
    .breadcrumb-lite a:hover{color:var(--primary)}
    .breadcrumb-sep{color:#a7b5c7}
    .article-title{
      margin:0;
      font-size:clamp(30px,4.2vw,52px);
      line-height:1.12;
      letter-spacing:-.05em;
      color:#122033;
      font-weight:950;
    }
    .article-summary{
      margin:18px 0 0;
      color:var(--muted);
      font-size:17px;
      max-width:790px;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .meta-pill,.badge-soft{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:8px 12px;
      background:#f3f9ff;
      border:1px solid #dbeaf6;
      color:#39506b;
      font-size:13px;
      font-weight:750;
    }
    .meta-pill .dot,.badge-soft .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 4px rgba(41,194,200,.12);
    }
    .meta-pill.warning .dot{background:var(--warning);box-shadow:0 0 0 4px rgba(242,165,65,.14)}
    .meta-pill.success .dot{background:var(--success);box-shadow:0 0 0 4px rgba(25,169,116,.12)}
    .article-data-panel{
      border:1px solid var(--line);
      border-radius:24px;
      background:
        linear-gradient(180deg,rgba(238,247,255,.92),rgba(255,255,255,.96));
      box-shadow:var(--shadow-sm);
      padding:18px;
      min-height:100%;
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
      font-weight:900;
      color:#213652;
    }
    .status-light{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--success);
      font-size:12px;
      font-weight:900;
      background:rgba(25,169,116,.08);
      border:1px solid rgba(25,169,116,.16);
      padding:5px 9px;
      border-radius:999px;
      white-space:nowrap;
    }
    .status-light:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--success);
    }
    .panel-metrics{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .metric-mini{
      background:#fff;
      border:1px solid #dfeaf5;
      border-radius:16px;
      padding:14px;
      transition:.22s ease;
    }
    .metric-mini:hover{
      transform:translateY(-2px);
      border-color:#b8dbf6;
      box-shadow:0 12px 26px rgba(37,91,145,.08);
    }
    .metric-mini strong{
      display:block;
      color:var(--primary-dark);
      font-size:22px;
      line-height:1.1;
      letter-spacing:-.03em;
    }
    .metric-mini span{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:12px;
      font-weight:750;
    }
    .progress-lite{
      height:8px;
      border-radius:999px;
      background:#edf4fb;
      overflow:hidden;
      margin-top:12px;
    }
    .progress-lite i{
      display:block;
      height:100%;
      width:74%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--cyan));
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 280px;
      gap:28px;
      align-items:start;
      padding:0 36px 38px;
    }
    .content-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      padding:34px;
      min-width:0;
    }
    .article-content{
      color:#26364d;
      font-size:17px;
      line-height:1.95;
      overflow-wrap:anywhere;
    }
    .article-content h2,.article-content h3,.article-content h4{
      color:#142033;
      font-weight:900;
      line-height:1.35;
      margin:32px 0 14px;
      letter-spacing:-.03em;
    }
    .article-content h2{
      font-size:27px;
      padding-top:10px;
      border-top:1px solid #edf3f9;
    }
    .article-content h3{font-size:22px}
    .article-content h4{font-size:19px}
    .article-content p{margin:0 0 18px}
    .article-content a{
      color:var(--primary-dark);
      font-weight:800;
      border-bottom:1px solid rgba(29,120,214,.22);
    }
    .article-content a:hover{
      color:var(--primary);
      border-color:rgba(29,120,214,.48);
    }
    .article-content ul,.article-content ol{
      margin:14px 0 22px;
      padding-left:1.35em;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:26px 0;
      padding:18px 20px;
      border-left:5px solid var(--primary);
      background:linear-gradient(90deg,rgba(29,120,214,.08),rgba(41,194,200,.05));
      border-radius:0 18px 18px 0;
      color:#31435d;
      font-weight:750;
    }
    .article-content img{
      border-radius:20px;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      margin:26px auto;
      background:#f1f7fd;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      margin:24px 0;
      font-size:15px;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid #edf3f9;
      vertical-align:top;
    }
    .article-content th{
      color:#173451;
      background:#f4f9ff;
      font-weight:900;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content code{
      background:#eef7ff;
      color:var(--primary-dark);
      border-radius:8px;
      padding:2px 6px;
      font-size:.92em;
    }
    .not-found{
      text-align:center;
      padding:42px 20px;
      background:linear-gradient(180deg,#fff,#f6fbff);
      border:1px dashed #b9d8ef;
      border-radius:22px;
    }
    .not-found h2{
      margin:0 0 10px;
      font-size:26px;
      font-weight:950;
      color:#142033;
    }
    .not-found p{
      margin:0 auto 22px;
      color:var(--muted);
      max-width:520px;
    }
    .side-panel{
      position:sticky;
      top:92px;
      display:grid;
      gap:14px;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
      padding:18px;
    }
    .side-card h2,.side-card h3{
      margin:0 0 12px;
      font-size:18px;
      font-weight:950;
      color:#16243a;
    }
    .side-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:11px;
      border-radius:15px;
      background:#f7fbff;
      border:1px solid #e3eef8;
      color:#465a75;
      font-size:14px;
      transition:.22s ease;
    }
    .side-list li:hover{
      background:#f0f8ff;
      border-color:#bfdff6;
      transform:translateX(2px);
    }
    .side-list i{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--cyan);
      margin-top:8px;
      flex:0 0 auto;
    }
    .quick-box{
      display:grid;
      gap:12px;
      border-radius:20px;
      padding:18px;
      background:linear-gradient(135deg,rgba(29,120,214,.10),rgba(41,194,200,.08));
      border:1px solid rgba(29,120,214,.14);
    }
    .quick-box strong{
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
      color:#142033;
    }
    .quick-box p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .notice-strip{
      margin-top:18px;
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:15px 16px;
      border-radius:18px;
      background:#fff8eb;
      border:1px solid #f7dfb8;
      color:#735126;
      font-size:14px;
      font-weight:750;
    }
    .notice-strip span{
      width:24px;
      height:24px;
      border-radius:9px;
      display:grid;
      place-items:center;
      background:rgba(242,165,65,.16);
      color:#a86910;
      flex:0 0 auto;
      font-weight:950;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:16px;
    }
    .recommend-card{
      min-height:190px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow-sm);
      padding:20px;
      transition:.22s ease;
    }
    .recommend-card:hover{
      transform:translateY(-4px);
      border-color:#b6dcf5;
      box-shadow:0 18px 40px rgba(37,91,145,.12);
    }
    .recommend-card.featured{
      background:
        radial-gradient(circle at 96% 0%, rgba(41,194,200,.14), transparent 32%),
        linear-gradient(180deg,#fff,#f7fbff);
    }
    .recommend-card .topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
    }
    .recommend-card h3{
      margin:0;
      font-size:19px;
      line-height:1.35;
      font-weight:950;
      color:#142033;
    }
    .recommend-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .recommend-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      font-size:14px;
      font-weight:900;
    }
    .recommend-link:hover{gap:12px;color:var(--primary)}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 88% 8%, rgba(41,194,200,.20), transparent 30%),
        linear-gradient(135deg,#ffffff 0%,#edf7ff 100%);
      border:1px solid #d6e8f6;
      box-shadow:var(--shadow);
      padding:34px;
    }
    .cta-band:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(29,120,214,.08);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 430px;
      gap:26px;
      align-items:center;
    }
    .cta-band h2{
      margin:0;
      font-size:clamp(25px,3vw,38px);
      line-height:1.2;
      letter-spacing:-.04em;
      font-weight:950;
      color:#122033;
    }
    .cta-band p{
      margin:14px 0 0;
      color:var(--muted);
      max-width:650px;
    }
    .claim-form{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-sm);
      padding:18px;
    }
    .form-label{
      color:#263b58;
      font-weight:850;
      font-size:14px;
      margin-bottom:7px;
    }
    .form-control{
      border:1px solid #dbe8f5;
      background:#f9fcff;
      border-radius:15px;
      min-height:48px;
      color:#172033;
      transition:.22s ease;
      box-shadow:none!important;
    }
    textarea.form-control{min-height:96px;resize:vertical}
    .form-control:hover{border-color:#bcdcf3;background:#fff}
    .form-control:focus{
      border-color:rgba(29,120,214,.55);
      background:#fff;
      box-shadow:0 0 0 4px rgba(29,120,214,.10)!important;
    }
    .form-control::placeholder{color:#9aa8b9}
    .form-check{
      display:flex;
      align-items:flex-start;
      gap:9px;
      color:var(--muted);
      font-size:13px;
      margin:10px 0 14px;
    }
    .form-check-input{
      margin-top:5px;
      border-color:#b9cde0;
      box-shadow:none!important;
    }
    .form-check-input:checked{
      background-color:var(--primary);
      border-color:var(--primary);
    }
    .site-footer{
      padding:30px 0;
      background:#fff;
      border-top:1px solid rgba(219,232,245,.96);
    }
    .footer-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:950;
      color:#12243a;
    }
    .footer-brand span:first-child{
      width:32px;
      height:32px;
      border-radius:11px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 10px 20px rgba(29,120,214,.18);
    }
    .footer-note{
      text-align:right;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .footer-note div:first-child{
      color:#364b66;
      font-weight:800;
    }

    @media (max-width:1024px){
      .article-head{
        grid-template-columns:1fr;
        padding:32px 28px 26px;
      }
      .article-layout{
        grid-template-columns:1fr;
        padding:0 28px 34px;
      }
      .side-panel{
        position:static;
        grid-template-columns:1fr 1fr;
      }
      .cta-inner{
        grid-template-columns:1fr;
      }
      .recommend-grid{
        grid-template-columns:1fr 1fr;
      }
      .recommend-card.featured{
        grid-column:1 / -1;
      }
    }
    @media (max-width:768px){
      :root{--header-h:62px}
      .site-container{width:min(100% - 28px,var(--container))}
      .brand{font-size:18px;gap:9px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand small{font-size:10px}
      .nav-cta{min-height:40px;padding:0 15px;font-size:14px}
      .section{padding:54px 0}
      .section-head{
        display:block;
        margin-bottom:22px;
      }
      .article-hero{padding:30px 0 18px}
      .article-shell{border-radius:24px}
      .article-head{
        padding:28px 20px 22px;
        gap:20px;
      }
      .article-title{
        font-size:clamp(28px,8.5vw,40px);
      }
      .article-summary{
        font-size:16px;
      }
      .panel-metrics{
        grid-template-columns:1fr 1fr;
      }
      .article-layout{
        padding:0 20px 26px;
      }
      .content-card{
        padding:24px 20px;
        border-radius:20px;
      }
      .article-content{
        font-size:16px;
        line-height:1.9;
      }
      .article-content h2{font-size:23px}
      .article-content h3{font-size:20px}
      .side-panel{
        grid-template-columns:1fr;
      }
      .recommend-grid{
        grid-template-columns:1fr;
      }
      .cta-band{
        padding:24px 20px;
        border-radius:24px;
      }
      .claim-form{padding:16px}
      .footer-inner{
        align-items:flex-start;
        flex-direction:column;
      }
      .footer-note{text-align:left}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 22px,var(--container))}
      .brand{font-size:16px}
      .brand small{display:none}
      .nav-cta{padding:0 13px;min-height:38px;font-size:13px}
      .article-head{padding:24px 16px 18px}
      .article-layout{padding:0 16px 22px}
      .breadcrumb-lite{font-size:13px}
      .meta-row{gap:8px}
      .meta-pill,.badge-soft{font-size:12px;padding:7px 10px}
      .article-data-panel{padding:14px;border-radius:20px}
      .panel-metrics{grid-template-columns:1fr}
      .content-card{padding:20px 16px}
      .article-content table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
      }
      .btn-main,.btn-soft,.btn-line{
        width:100%;
        min-height:44px;
      }
      .cta-band h2{font-size:25px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}