/* roulang page: index */
:root{
    --primary:#0d9488;
    --primary-strong:#0f766e;
    --primary-light:#ccfbf1;
    --accent:#d97706;
    --accent-light:#f59e0b;
    --bg:#f7f6f3;
    --ink:#1b2a2a;
    --ink-muted:#526565;
    --card-bg:#ffffff;
    --radius-card:20px;
    --shadow-card:0 4px 24px rgba(11,31,34,0.06);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
    background-color:var(--bg);
    color:var(--ink);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  a{color:var(--primary);text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--primary-strong)}
  img{max-width:100%;display:block}
  button,input{font-family:inherit}

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

  .brand-gradient{
    background:linear-gradient(135deg,#0d9488 0%,#0f766e 40%,#14b8a6 100%);
  }
  .brand-gradient-soft{
    background:linear-gradient(160deg,rgba(13,148,136,.08) 0%,rgba(245,158,11,.06) 100%);
  }

  .card-glow{
    box-shadow:var(--shadow-card);
    transition:box-shadow .3s ease,transform .3s ease;
  }
  .card-glow:hover{
    box-shadow:0 16px 40px rgba(11,31,34,.12);
    transform:translateY(-2px);
  }

  .btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:linear-gradient(135deg,#0f766e,#0d9488);
    color:#fff;
    font-weight:600;
    font-size:15px;
    padding:12px 28px;
    border-radius:12px;
    border:none;
    cursor:pointer;
    transition:all .25s ease;
    box-shadow:0 4px 16px rgba(13,148,136,.25);
  }
  .btn-primary:hover{
    box-shadow:0 8px 24px rgba(13,148,136,.35);
    transform:translateY(-1px);
    color:#fff;
  }
  .btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(13,148,136,.3)}

  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:transparent;
    color:var(--primary-strong);
    font-weight:600;
    font-size:15px;
    padding:12px 28px;
    border-radius:12px;
    border:1.5px solid rgba(13,148,136,.35);
    cursor:pointer;
    transition:all .25s ease;
  }
  .btn-ghost:hover{
    background:rgba(13,148,136,.06);
    border-color:var(--primary);
    color:var(--primary-strong);
  }

  .dock-nav{
    background:rgba(255,255,255,.82);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border:1px solid rgba(229,231,235,.8);
    box-shadow:0 4px 24px rgba(11,31,34,.08);
  }

  .faq-item{
    transition:box-shadow .3s ease;
  }
  .faq-item:hover{
    box-shadow:0 8px 28px rgba(11,31,34,.07);
  }
  .faq-answer{
    max-height:0;
    overflow:hidden;
    transition:max-height .4s ease,opacity .4s ease;
    opacity:0;
  }
  .faq-item.active .faq-answer{
    max-height:500px;
    opacity:1;
  }
  .faq-item.active .faq-icon{
    transform:rotate(45deg);
  }
  .faq-icon{
    transition:transform .3s ease;
  }

  .input-base{
    background:#f8faf9;
    border:1px solid #e2e8f0;
    border-radius:10px;
    padding:12px 18px;
    font-size:15px;
    color:var(--ink);
    width:100%;
    outline:none;
    transition:all .25s ease;
  }
  .input-base::placeholder{color:#94a3a3}
  .input-base:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 4px rgba(13,148,136,.12);
    background:#fff;
  }

  .step-card{
    position:relative;
    transition:transform .3s ease,box-shadow .3s ease;
  }
  .step-card:hover{
    transform:translateY(-4px);
    box-shadow:0 16px 40px rgba(11,31,34,.1);
  }

  .case-arrow{
    width:44px;height:44px;
    border-radius:50%;
    background:var(--primary-light);
    display:flex;align-items:center;justify-content:center;
    color:var(--primary-strong);
    font-weight:700;
    box-shadow:0 4px 12px rgba(13,148,136,.15);
  }

  .section-label{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(13,148,136,.08);
    color:var(--primary-strong);
    font-size:13px;
    font-weight:600;
    padding:6px 16px;
    border-radius:999px;
    letter-spacing:.02em;
  }

  @media (max-width: 768px){
    .container{padding:0 20px}
    .dock-nav{padding:8px 12px}
    .dock-menu{
      display:none;
      position:absolute;
      top:calc(100% + 8px);
      left:0;
      right:0;
      background:rgba(255,255,255,.95);
      backdrop-filter:blur(20px);
      border-radius:16px;
      border:1px solid #e5e7eb;
      box-shadow:0 12px 32px rgba(11,31,34,.1);
      padding:12px;
    }
    .dock-menu.open{display:flex;flex-direction:column;gap:4px}
  }

  @media (min-width: 769px){
    .dock-toggle{display:none!important}
    .dock-menu{display:flex!important}
  }

  .hero-pattern{
    background:
      radial-gradient(circle at 20% 20%,rgba(13,148,136,.12) 0%,transparent 40%),
      radial-gradient(circle at 80% 70%,rgba(245,158,11,.1) 0%,transparent 40%);
  }

  .badge-ring{
    border:1px solid rgba(15,118,110,.15);
    background:rgba(255,255,255,.85);
  }

  .footer-cta{
    background:linear-gradient(135deg,#0b1f22,#0f3440);
  }

  ::selection{background:rgba(13,148,136,.2)}

  time{font-variant-numeric:tabular-nums}

/* roulang page: category1 */
:root {
            --primary: #0d9488;
            --primary-strong: #0f766e;
            --accent: #d97706;
            --accent-light: #f59e0b;
            --bg: #f7f6f3;
            --ink: #1b2a2a;
            --ink-muted: #526565;
            --card-bg: #ffffff;
            --radius-card: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0,0,0,.08);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--bg);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.75;
            min-height: 100vh;
            padding-top: 5rem;
        }

        img,
        a,
        button,
        input {
            -webkit-tap-highlight-color: transparent;
        }

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

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

        .container-custom {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* Dock navigation */
        .dock-nav {
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid #e5e7eb;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }

        .dock-menu {
            transition: all 0.3s ease;
        }

        .dock-menu a {
            transition: all 0.2s ease;
        }

        .dock-toggle {
            display: none;
        }

        @media (max-width: 768px) {
            .dock-toggle {
                display: inline-flex;
            }
            .dock-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(20px);
                border: 1px solid #e5e7eb;
                border-radius: 1.5rem;
                padding: 0.75rem;
                flex-direction: column;
                gap: 0.25rem;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
            }
            .dock-menu.open {
                display: flex;
            }
            .dock-menu a {
                padding: 0.75rem 1rem;
                border-radius: 0.75rem;
            }
        }

        .brand-gradient {
            background: linear-gradient(135deg, #0d9488 0%, #14b8a6 50%, #10b981 100%);
        }

        /* Hero */
        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 30%, rgba(13, 148, 136, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 70%, rgba(245, 158, 11, 0.10) 0%, transparent 50%);
            pointer-events: none;
        }

        /* Cards */
        .card-hover {
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }

        .card-hover:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }

        /* FAQ accordion */
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

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

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-icon {
            transition: transform 0.3s ease;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #0d9488, #0f766e);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: 0.75rem;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1.5px solid #0d9488;
            color: #0f766e;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: 0.75rem;
            background: transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            font-size: 0.95rem;
        }

        .btn-outline:hover {
            background: rgba(13, 148, 136, 0.08);
            border-color: #0f766e;
            transform: translateY(-2px);
        }

        /* Form */
        .input-field {
            width: 100%;
            border: 1px solid #d1d5db;
            border-radius: 0.75rem;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            background: #f9fafb;
            transition: all 0.2s ease;
            outline: none;
        }

        .input-field:focus {
            border-color: #0d9488;
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
            background: #fff;
        }

        /* Breadcrumb */
        .breadcrumb a {
            color: #6b7280;
            transition: color 0.2s;
        }

        .breadcrumb a:hover {
            color: #0f766e;
        }

        .breadcrumb .sep {
            color: #9ca3af;
            margin: 0 0.25rem;
        }

        /* CTA section */
        .cta-gradient {
            background: linear-gradient(135deg, #0f766e 0%, #0d9488 50%, #059669 100%);
        }

        /* Footer */
        .footer-cta {
            background: #0b1f22;
        }

        .footer-cta a {
            transition: color 0.2s ease;
        }

        /* Info cards */
        .info-card {
            background: #fff;
            border-radius: 1.25rem;
            border: 1px solid #ececec;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
            border-color: #99f6e4;
        }

        /* Section label */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #ccfbf1;
            color: #0f766e;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            letter-spacing: 0.02em;
        }

        /* Decorative number */
        .step-number {
            background: linear-gradient(135deg, #0d9488, #14b8a6);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            border-radius: 1rem;
            width: 2.8rem;
            height: 2.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
        }

        /* Time line item */
        .timeline-item {
            position: relative;
            padding-left: 1.75rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0.4rem;
            top: 0.6rem;
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
            background: #0d9488;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            left: 0.63rem;
            top: 1.5rem;
            width: 1px;
            height: calc(100% - 1rem);
            background: #d1fae5;
        }

        .timeline-item:last-child::after {
            display: none;
        }

        @media (max-width: 640px) {
            body {
                padding-top: 4.5rem;
                font-size: 15px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0D9488;
            --primary-strong: #0F766E;
            --primary-soft: #CCFBF1;
            --accent: #D97706;
            --accent-soft: #FEF3C7;
            --bg: #F7F6F3;
            --ink: #1B2A2A;
            --ink-muted: #526565;
            --card-bg: #FFFFFF;
            --border: #E5E7EB;
            --radius-card: 18px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 32px rgba(13, 148, 136, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', 'sans-serif';
            background-color: var(--bg);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .dock-nav {
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(229, 231, 235, 0.8);
            box-shadow: 0 4px 24px rgba(11, 31, 34, 0.08);
            position: relative;
        }

        .brand-gradient {
            background: linear-gradient(135deg, #0D9488 0%, #059669 50%, #10B981 100%);
        }

        .dock-menu {
            display: none;
        }

        @media (min-width: 768px) {
            .dock-menu {
                display: flex !important;
            }

            .dock-toggle {
                display: none !important;
            }
        }

        .dock-menu.show {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: calc(100% + 10px);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 14px;
            gap: 6px;
            box-shadow: 0 16px 40px rgba(11, 31, 34, 0.12);
        }

        .dock-menu.show a {
            display: block;
            padding: 10px 16px;
            border-radius: 12px;
            text-align: center;
        }

        .meta-pill {
            background: #ECFDF5;
            color: #0F766E;
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: #243B3B;
            word-break: break-word;
        }

        .article-body>*:first-child {
            margin-top: 0 !important;
        }

        .article-body>*:last-child {
            margin-bottom: 0 !important;
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-top: 2em;
            margin-bottom: 0.75em;
            padding-bottom: 0.4em;
            border-bottom: 1px solid #EDF1F1;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }

        .article-body p {
            margin-bottom: 1.25em;
        }

        .article-body a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: underline;
            text-decoration-color: rgba(13, 148, 136, 0.3);
            text-underline-offset: 3px;
            transition: color 0.2s;
        }

        .article-body a:hover {
            color: var(--primary-strong);
            text-decoration-color: var(--primary-strong);
        }

        .article-body ul {
            list-style: disc;
            padding-left: 1.5em;
            margin: 1.25em 0;
        }

        .article-body ol {
            list-style: decimal;
            padding-left: 1.5em;
            margin: 1.25em 0;
        }

        .article-body li {
            margin-bottom: 0.4em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #F0FDFA;
            padding: 14px 20px;
            border-radius: 0 14px 14px 0;
            color: var(--ink-muted);
            margin: 1.5em 0;
        }

        .article-body img {
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            margin: 1.5em auto;
        }

        .article-body figcaption {
            text-align: center;
            font-size: 13px;
            color: #94A3A3;
            margin-top: -1em;
            margin-bottom: 1.5em;
        }

        .article-body pre {
            background: #0B1F22;
            color: #E2E8F0;
            border-radius: 14px;
            padding: 18px 22px;
            overflow-x: auto;
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 1.5em 0;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }

        .article-body code {
            background: #ECFDF5;
            color: #065F46;
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.875em;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            font-size: 0.9rem;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 14px;
        }

        .article-body th,
        .article-body td {
            border: 1px solid #E2E8F0;
            padding: 10px 14px;
            text-align: left;
        }

        .article-body th {
            background: #F0FDFA;
            font-weight: 600;
            color: var(--ink);
        }

        .pager-link {
            transition: all 0.25s ease;
        }

        .pager-link:hover {
            border-color: rgba(13, 148, 136, 0.3) !important;
            background: #F0FDFA !important;
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .rec-card {
            transition: all 0.3s ease;
        }

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

        .footer-cta {
            background: #0B1F22;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #F1F5F4;
        }

        ::-webkit-scrollbar-thumb {
            background: #CBD5D1;
            border-radius: 8px;
        }

        ::selection {
            background: #CCFBF1;
            color: #134E4A;
        }