/* roulang page: index */
:root {
      --ink: #1d2723;
      --forest: #24463c;
      --forest-deep: #152c26;
      --coral: #d86f58;
      --cream: #f5f2eb;
      --paper: #fffdfa;
      --mist: #e5e8e0;
      --muted: #69746d;
      --line: rgba(29, 39, 35, .14);
      --radius: 8px;
      --shadow: 0 18px 42px rgba(29, 39, 35, .09);
      --ease: 220ms ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--cream);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    img { max-width: 100%; display: block; }
    :focus-visible { outline: 3px solid rgba(216, 111, 88, .5); outline-offset: 3px; }
    .container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 30;
      background: rgba(245, 242, 235, .94);
      border-bottom: 1px solid transparent;
      backdrop-filter: blur(12px);
      transition: var(--ease);
    }
    .site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(29,39,35,.05); }
    .nav-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: 0; white-space: nowrap; }
    .brand-mark {
      width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
      color: var(--paper); background: var(--coral); font-size: 15px;
    }
    .brand-text { font-size: 17px; }
    .desktop-nav { display: flex; align-items: center; gap: 7px; }
    .nav-link {
      padding: 9px 13px; border-radius: 6px; color: var(--muted);
      font-size: 14px; transition: var(--ease);
    }
    .nav-link:hover, .nav-link.active { color: var(--forest-deep); background: #e9ebe3; }
    .nav-link.active { font-weight: 800; }
    .menu-button { display: none; border: 1px solid var(--line); background: transparent; padding: 8px 11px; border-radius: 6px; }
    .mobile-menu { display: none; border-top: 1px solid var(--line); padding: 10px 0 16px; }
    .mobile-menu.open { display: grid; gap: 5px; }
    .progress-strip { border-top: 1px solid var(--line); padding: 11px 0; overflow-x: auto; }
    .progress { display: flex; align-items: center; min-width: 640px; }
    .progress-step { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; white-space: nowrap; }
    .progress-step strong { color: var(--forest-deep); font-size: 12px; }
    .step-dot { width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 11px; }
    .progress-step.current .step-dot { color: white; background: var(--coral); border-color: var(--coral); }
    .progress-step.current strong { color: var(--coral); }
    .step-line { height: 1px; width: 76px; background: var(--line); margin: 0 15px; }
    .eyebrow { color: var(--coral); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
    .hero { padding: 82px 0 66px; background: var(--paper); border-bottom: 1px solid var(--line); }
    .hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: end; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { margin-bottom: 24px; max-width: 700px; font-size: clamp(42px, 6vw, 78px); line-height: 1.13; letter-spacing: 0; font-weight: 950; }
    .hero-copy { max-width: 620px; color: var(--muted); font-size: 17px; line-height: 1.9; }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 31px; }
    .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 9px;
      min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: 6px;
      font-weight: 800; font-size: 14px; transition: var(--ease);
    }
    .button.primary { color: #fff; background: var(--forest); }
    .button.primary:hover { background: var(--forest-deep); transform: translateY(-2px); }
    .button.ghost { border-color: var(--line); color: var(--forest); background: transparent; }
    .button.ghost:hover { border-color: var(--coral); color: var(--coral); }
    .text-link { color: var(--forest); font-weight: 800; font-size: 14px; border-bottom: 1px solid currentColor; }
    .matrix {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 18px;
      background: var(--forest-deep); border-radius: var(--radius); box-shadow: var(--shadow);
    }
    .matrix-cell { min-height: 72px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.13); border-radius: 5px; color: #dce8df; font-size: 12px; text-align: center; }
    .matrix-cell.accent { color: #fff; background: var(--coral); border-color: var(--coral); }
    .status-bar { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 12px; padding-top: 12px; color: #aebdb3; font-size: 12px; }
    .status-live { display: inline-flex; align-items: center; gap: 7px; color: #f0b4a3; }
    .status-live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }
    .section { padding: 92px 0; }
    .section.dark { color: #edf3ed; background: var(--forest-deep); }
    .section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 42px; }
    .section-head h2 { max-width: 560px; margin-bottom: 0; font-size: clamp(28px, 4vw, 46px); line-height: 1.25; font-weight: 900; }
    .section-head p { max-width: 460px; margin-bottom: 0; color: var(--muted); }
    .dark .section-head p { color: #b5c3ba; }
    .number-layout { display: grid; grid-template-columns: .35fr 1fr; gap: 75px; }
    .big-number { color: var(--coral); font-size: 100px; line-height: .9; font-weight: 950; }
    .number-list { border-top: 1px solid var(--line); }
    .number-item { display: grid; grid-template-columns: 52px 1fr 1.1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
    .number-item em { color: var(--coral); font-style: normal; font-weight: 900; }
    .number-item h3 { margin-bottom: 5px; font-size: 18px; }
    .number-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .solution-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
    .filter-panel { padding: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
    .field { display: grid; gap: 7px; margin-bottom: 16px; }
    .field label { font-size: 12px; font-weight: 800; color: var(--muted); }
    .field input, .field select { width: 100%; height: 43px; padding: 0 12px; border: 1px solid var(--line); border-radius: 5px; color: var(--ink); background: #fff; }
    .field input:focus, .field select:focus { border-color: var(--coral); outline: 3px solid rgba(216,111,88,.15); }
    .filter-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 5px; }
    .tag { display: inline-flex; align-items: center; min-height: 27px; padding: 0 9px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); font-size: 12px; }
    .tag.selected { color: var(--coral); border-color: rgba(216,111,88,.55); background: #fff4ef; }
    .index-list { border-top: 1px solid var(--line); }
    .index-row { display: grid; grid-template-columns: 42px 1fr auto; gap: 16px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
    .index-row:hover .row-title { color: var(--coral); }
    .row-no { color: var(--coral); font-size: 13px; font-weight: 900; }
    .row-title { margin-bottom: 3px; font-weight: 900; transition: var(--ease); }
    .row-meta { color: var(--muted); font-size: 12px; }
    .row-arrow { color: var(--forest); font-size: 20px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
    .metric { padding: 24px 20px; border-right: 1px solid rgba(255,255,255,.22); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: #fff; font-size: 37px; line-height: 1.1; }
    .metric span { display: block; margin-top: 8px; color: #bdc9c0; font-size: 13px; }
    .timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .timeline-item { position: relative; padding-top: 24px; border-top: 2px solid var(--coral); }
    .timeline-item::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; background: var(--coral); border-radius: 50%; }
    .timeline-item small { color: var(--coral); font-weight: 900; }
    .timeline-item h3 { margin: 12px 0 7px; font-size: 20px; }
    .timeline-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .quote-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 55px; align-items: start; }
    blockquote { margin: 0; font-size: clamp(24px, 3vw, 38px); line-height: 1.45; font-weight: 850; }
    blockquote::before { content: "“"; color: var(--coral); font-size: 72px; line-height: 0; vertical-align: -25px; margin-right: 8px; }
    .quote-source { margin-top: 20px; color: var(--muted); font-size: 13px; }
    .mini-quotes { border-left: 1px solid var(--line); padding-left: 26px; }
    .mini-quote { padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
    .mini-quote strong { display: block; margin-bottom: 4px; color: var(--ink); }
    .faq-list { max-width: 850px; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 21px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 850; }
    .faq-icon { color: var(--coral); font-size: 23px; line-height: 1; }
    .faq-answer { display: none; max-width: 720px; padding: 0 42px 21px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .cta-band { padding: 70px 0; color: white; background: var(--coral); }
    .cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 35px; }
    .cta-inner h2 { max-width: 630px; margin-bottom: 0; font-size: clamp(28px, 4vw, 48px); line-height: 1.25; font-weight: 950; }
    .button.light { color: var(--forest-deep); background: white; }
    .button.light:hover { background: #fff2ed; transform: translateY(-2px); }
    .site-footer { padding: 46px 0 25px; color: #c2cec5; background: var(--forest-deep); }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 45px; padding-bottom: 38px; }
    .footer-brand { color: white; }
    .footer-copy { max-width: 350px; margin-top: 13px; color: #9eafa5; font-size: 13px; }
    .footer-title { margin-bottom: 12px; color: white; font-weight: 850; font-size: 14px; }
    .footer-link { display: block; width: fit-content; margin: 7px 0; color: #aab9af; font-size: 13px; transition: var(--ease); }
    .footer-link:hover { color: #f0b4a3; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.16); color: #8fa096; font-size: 12px; }
    .notice { margin-top: 24px; padding: 12px 14px; border-left: 3px solid var(--coral); background: rgba(216,111,88,.1); color: #d4dfd6; font-size: 12px; }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .65s ease, transform .65s ease; }
    .reveal.visible { opacity: 1; transform: none; }
    @media (max-width: 900px) {
      .hero-grid, .solution-grid, .quote-grid { grid-template-columns: 1fr; gap: 38px; }
      .number-layout { gap: 35px; }
      .number-item { grid-template-columns: 42px 1fr; }
      .number-item p { grid-column: 2; }
      .metrics { grid-template-columns: repeat(2, 1fr); }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.22); }
    }
    @media (max-width: 700px) {
      .container { width: min(100% - 28px, 560px); }
      .desktop-nav { display: none; }
      .menu-button { display: block; }
      .hero { padding: 58px 0 48px; }
      h1 { font-size: clamp(38px, 12vw, 60px); }
      .section { padding: 65px 0; }
      .section-head, .cta-inner, .footer-bottom { display: block; }
      .section-head p { margin-top: 16px; }
      .big-number { font-size: 76px; }
      .timeline { grid-template-columns: 1fr; gap: 24px; }
      .cta-inner .button { margin-top: 24px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
      .footer-grid > :first-child { grid-column: 1/-1; }
      .footer-bottom span { display: block; margin-top: 8px; }
    }
    @media (max-width: 520px) {
      .nav-row { min-height: 68px; }
      .brand-text { font-size: 15px; }
      .matrix { grid-template-columns: repeat(2, 1fr); }
      .status-bar { display: block; }
      .status-bar span:last-child { display: block; margin-top: 5px; }
      .index-row { grid-template-columns: 30px 1fr; }
      .row-arrow { display: none; }
      .metrics { grid-template-columns: 1fr 1fr; }
      .metric { padding: 19px 12px; }
      .metric strong { font-size: 29px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-grid > :first-child { grid-column: auto; }
    }

/* roulang page: category2 */
:root {
      --ink: #1d2723;
      --forest: #24463c;
      --forest-deep: #152c26;
      --coral: #d86f58;
      --cream: #f5f2eb;
      --paper: #fffdfa;
      --mist: #e5e8e0;
      --muted: #69746d;
      --line: rgba(29,39,35,.14);
      --radius: 8px;
      --shadow: 0 18px 42px rgba(29,39,35,.09);
      --ease: 220ms ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--cream);
      font-family: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      line-height: 1.7;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    .container { width: min(1180px,calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 30;
      background: rgba(245,242,235,.95);
      border-bottom: 1px solid transparent;
      backdrop-filter: blur(12px);
      transition: var(--ease);
    }
    .site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(29,39,35,.05); }
    .nav-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: flex; align-items: center; gap: 12px; font-weight: 900; white-space: nowrap; }
    .brand-mark { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: var(--paper); background: var(--coral); font-size: 15px; }
    .brand-text { font-size: 17px; }
    .desktop-nav { display: flex; align-items: center; gap: 7px; }
    .nav-link { padding: 9px 13px; border-radius: 6px; color: var(--muted); font-size: 14px; transition: var(--ease); }
    .nav-link:hover,.nav-link.active { color: var(--forest-deep); background: #e9ebe3; }
    .nav-link.active { font-weight: 800; }
    .menu-button { display: none; border: 1px solid var(--line); background: transparent; padding: 8px 11px; border-radius: 6px; }
    .mobile-menu { display: none; border-top: 1px solid var(--line); padding: 10px 0 16px; }
    .mobile-menu.open { display: grid; gap: 5px; }
    .progress-strip { border-top: 1px solid var(--line); }
    .progress { min-height: 51px; display: flex; align-items: center; gap: 12px; overflow-x: auto; }
    .progress-step { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; white-space: nowrap; }
    .progress-step.current { color: var(--forest-deep); font-weight: 800; }
    .step-dot { display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid var(--line); border-radius: 50%; font-size: 10px; }
    .current .step-dot { color: white; border-color: var(--coral); background: var(--coral); }
    .step-line { width: 42px; height: 1px; flex: 0 0 auto; background: var(--line); }
    .eyebrow { color: var(--coral); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
    .page-head { padding: 68px 0 58px; background: var(--paper); border-bottom: 1px solid var(--line); }
    .breadcrumb { margin-bottom: 27px; color: var(--muted); font-size: 13px; }
    .breadcrumb a:hover { color: var(--coral); }
    h1,h2,h3,p { margin-top: 0; }
    h1 { max-width: 790px; margin-bottom: 20px; font-size: clamp(38px,6vw,72px); line-height: 1.12; font-weight: 900; letter-spacing: 0; }
    .lead { max-width: 690px; color: var(--muted); font-size: 17px; line-height: 1.9; }
    .status-line { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
    .tag { display: inline-flex; align-items: center; min-height: 29px; padding: 0 10px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); background: transparent; font-size: 12px; }
    .tag.selected { color: var(--coral); border-color: rgba(216,111,88,.55); background: #fff4ef; }
    .section { padding: 82px 0; }
    .section.dark { color: #edf3ed; background: var(--forest-deep); }
    .section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 39px; }
    .section-head h2 { max-width: 560px; margin-bottom: 0; font-size: clamp(29px,4vw,46px); line-height: 1.25; font-weight: 900; }
    .section-head p { max-width: 450px; margin-bottom: 0; color: var(--muted); }
    .dark .section-head p { color: #b5c3ba; }
    .rule-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
    .big-index { color: var(--coral); font-size: clamp(70px,10vw,136px); line-height: .9; font-weight: 900; }
    .big-index-note { max-width: 210px; margin-top: 23px; color: var(--muted); font-size: 14px; }
    .number-list { border-top: 1px solid var(--line); }
    .number-item { display: grid; grid-template-columns: 48px 1fr 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
    .number-item em { color: var(--coral); font-style: normal; font-weight: 900; }
    .number-item h3 { margin-bottom: 5px; font-size: 18px; }
    .number-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .access-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: start; }
    .access-panel { padding: 28px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
    .access-panel h3 { margin-bottom: 20px; font-size: 21px; }
    .check-list { display: grid; gap: 0; }
    .check-row { display: grid; grid-template-columns: 32px 1fr; gap: 13px; padding: 16px 0; border-bottom: 1px solid var(--line); }
    .check-row:last-child { border-bottom: 0; }
    .check-no { color: var(--coral); font-weight: 900; }
    .check-row strong { display: block; margin-bottom: 3px; }
    .check-row span { color: var(--muted); font-size: 13px; }
    .signal-list { border-top: 1px solid rgba(237,243,237,.22); }
    .signal-row { display: grid; grid-template-columns: 54px 1fr auto; gap: 18px; align-items: center; padding: 19px 0; border-bottom: 1px solid rgba(237,243,237,.22); }
    .signal-no { color: var(--coral); font-weight: 900; }
    .signal-row p { margin: 0; color: #b5c3ba; font-size: 14px; }
    .signal-state { color: #dce8de; font-size: 12px; }
    .faq-list { max-width: 880px; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 21px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 850; }
    .faq-icon { color: var(--coral); font-size: 23px; line-height: 1; }
    .faq-answer { display: none; max-width: 730px; padding: 0 42px 21px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .cta-band { padding: 66px 0; color: white; background: var(--coral); }
    .cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
    .cta-inner h2 { max-width: 650px; margin: 0; font-size: clamp(28px,4vw,46px); line-height: 1.25; font-weight: 900; }
    .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: 6px; font-weight: 800; font-size: 14px; transition: var(--ease); }
    .button.primary { color: #fff; background: var(--forest); }
    .button.primary:hover { background: var(--forest-deep); transform: translateY(-2px); }
    .button.light { color: var(--forest-deep); background: var(--paper); }
    .button.light:hover { background: #fff; transform: translateY(-2px); }
    .button:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible { outline: 3px solid rgba(216,111,88,.4); outline-offset: 3px; }
    .site-footer { padding: 58px 0 22px; background: #e8ebe3; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .9fr; gap: 56px; padding-bottom: 42px; }
    .footer-brand { margin-bottom: 17px; }
    .footer-copy { max-width: 400px; color: var(--muted); font-size: 13px; }
    .footer-title { margin-bottom: 14px; font-size: 13px; font-weight: 900; }
    .footer-link { display: block; width: fit-content; margin: 7px 0; color: var(--muted); font-size: 13px; transition: var(--ease); }
    a.footer-link:hover { color: var(--coral); transform: translateX(2px); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 19px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
    @media (max-width: 768px) {
      .container { width: min(100% - 28px, 620px); }
      .desktop-nav { display: none; }
      .menu-button { display: block; }
      .page-head { padding: 48px 0 43px; }
      .section { padding: 60px 0; }
      .section-head,.cta-inner { display: block; }
      .section-head p { margin-top: 16px; }
      .rule-grid,.access-grid { grid-template-columns: 1fr; gap: 36px; }
      .number-item { grid-template-columns: 38px 1fr; gap: 12px; }
      .number-item p { grid-column: 2; }
      .signal-row { grid-template-columns: 38px 1fr; }
      .signal-state { grid-column: 2; }
      .cta-inner .button { margin-top: 24px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
      .footer-grid > :first-child { grid-column: 1 / -1; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 6px; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 40px; }
      .lead { font-size: 15px; }
      .access-panel { padding: 21px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-grid > :first-child { grid-column: auto; }
      .step-line { width: 19px; }
    }

/* roulang page: category1 */
:root {
      --ink: #1d2723;
      --forest: #24463c;
      --forest-deep: #152c26;
      --coral: #d86f58;
      --cream: #f5f2eb;
      --paper: #fffdfa;
      --mist: #e5e8e0;
      --muted: #69746d;
      --line: rgba(29, 39, 35, .14);
      --radius: 8px;
      --shadow: 0 18px 42px rgba(29, 39, 35, .09);
      --ease: 220ms ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--cream);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    img { max-width: 100%; display: block; }
    .container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 30;
      background: rgba(245, 242, 235, .94);
      border-bottom: 1px solid transparent;
      backdrop-filter: blur(12px);
      transition: var(--ease);
    }
    .site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(29,39,35,.05); }
    .nav-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: flex; align-items: center; gap: 12px; font-weight: 900; white-space: nowrap; }
    .brand-mark {
      width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
      color: var(--paper); background: var(--coral); font-size: 15px;
    }
    .brand-text { font-size: 17px; }
    .desktop-nav { display: flex; align-items: center; gap: 7px; }
    .nav-link {
      padding: 9px 13px; border-radius: 6px; color: var(--muted);
      font-size: 14px; transition: var(--ease);
    }
    .nav-link:hover, .nav-link.active { color: var(--forest-deep); background: #e9ebe3; }
    .nav-link.active { font-weight: 800; }
    .nav-link:focus-visible, .button:focus-visible, .faq-question:focus-visible,
    .menu-button:focus-visible, .tag:focus-visible, input:focus-visible, select:focus-visible {
      outline: 3px solid rgba(216,111,88,.3);
      outline-offset: 2px;
    }
    .menu-button { display: none; border: 1px solid var(--line); background: transparent; padding: 8px 11px; border-radius: 6px; }
    .mobile-menu { display: none; border-top: 1px solid var(--line); padding: 10px 0 16px; }
    .mobile-menu.open { display: grid; gap: 5px; }
    .progress-strip { border-top: 1px solid rgba(29,39,35,.08); }
    .progress { display: flex; align-items: center; gap: 14px; min-height: 49px; overflow-x: auto; }
    .progress-step { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; color: var(--muted); font-size: 12px; }
    .progress-step.current { color: var(--forest-deep); }
    .step-dot { width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 10px; }
    .current .step-dot { color: white; background: var(--coral); border-color: var(--coral); }
    .step-line { width: 48px; height: 1px; flex: 0 0 48px; background: var(--line); }
    .page-intro { padding: 66px 0 55px; background: var(--paper); border-bottom: 1px solid var(--line); }
    .breadcrumb { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 12px; margin-bottom: 26px; }
    .breadcrumb a:hover { color: var(--coral); }
    .intro-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 60px; align-items: end; }
    .eyebrow { color: var(--coral); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { margin-bottom: 20px; max-width: 690px; font-size: clamp(39px, 6vw, 74px); line-height: 1.12; font-weight: 900; letter-spacing: 0; }
    .intro-copy { max-width: 620px; color: var(--muted); font-size: 17px; line-height: 1.9; margin-bottom: 0; }
    .status-panel { border-left: 2px solid var(--coral); padding: 4px 0 5px 22px; }
    .status-label { color: var(--muted); font-size: 12px; }
    .status-value { margin: 7px 0 10px; font-size: 22px; font-weight: 900; }
    .status-note { color: var(--muted); font-size: 13px; margin-bottom: 0; }
    .section { padding: 86px 0; }
    .section.paper { background: var(--paper); }
    .section.dark { color: #edf3ed; background: var(--forest-deep); }
    .section-head { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin-bottom: 38px; }
    .section-head h2 { max-width: 560px; margin-bottom: 0; font-size: clamp(28px, 4vw, 46px); line-height: 1.25; font-weight: 900; }
    .section-head p { max-width: 460px; margin-bottom: 0; color: var(--muted); }
    .dark .section-head p { color: #b5c3ba; }
    .filter-layout { display: grid; grid-template-columns: 285px 1fr; gap: 52px; align-items: start; }
    .filter-box { padding: 23px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); }
    .filter-box h3 { margin-bottom: 18px; font-size: 18px; }
    .field { margin-bottom: 16px; }
    .field label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; font-weight: 800; }
    .field input, .field select {
      width: 100%; height: 43px; padding: 0 12px; border: 1px solid var(--line);
      border-radius: 5px; color: var(--ink); background: #fff;
    }
    .field input:focus, .field select:focus { border-color: var(--coral); outline: 3px solid rgba(216,111,88,.15); }
    .filter-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 21px; }
    .tag {
      display: inline-flex; align-items: center; min-height: 27px; padding: 0 9px;
      border: 1px solid var(--line); border-radius: 4px; color: var(--muted);
      background: transparent; font-size: 12px; transition: var(--ease);
    }
    .tag:hover, .tag.selected { color: var(--coral); border-color: rgba(216,111,88,.55); background: #fff4ef; }
    .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 9px;
      min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: 6px;
      font-weight: 800; font-size: 14px; transition: var(--ease);
    }
    .button.primary { color: #fff; background: var(--forest); }
    .button.primary:hover { background: var(--forest-deep); transform: translateY(-2px); }
    .button.ghost { border-color: var(--line); color: var(--forest); background: transparent; }
    .button.ghost:hover { border-color: var(--coral); color: var(--coral); }
    .button.small { min-height: 36px; padding: 0 13px; font-size: 12px; }
    .results-bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
    .results-count { color: var(--muted); font-size: 13px; }
    .results-count strong { color: var(--ink); }
    .result-list { border-top: 1px solid var(--line); }
    .result-item {
      display: grid; grid-template-columns: 50px 1fr auto; gap: 19px; align-items: center;
      padding: 22px 0; border-bottom: 1px solid var(--line); transition: var(--ease);
    }
    .result-item:hover { padding-left: 8px; background: rgba(255,253,250,.6); }
    .result-number { color: var(--coral); font-weight: 900; font-size: 13px; }
    .result-title { margin-bottom: 4px; font-size: 17px; font-weight: 900; }
    .result-summary { color: var(--muted); font-size: 13px; margin-bottom: 7px; }
    .result-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 11px; }
    .result-state { color: var(--forest); font-weight: 800; }
    .result-action { color: var(--forest); font-size: 21px; transition: var(--ease); }
    .result-item:hover .result-action { color: var(--coral); transform: translateX(4px); }
    .empty-state { display: none; padding: 35px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
    .feature-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 58px; align-items: start; }
    .feature-lead { padding: 30px; color: #edf3ed; background: var(--forest); border-radius: var(--radius); }
    .feature-lead .eyebrow { color: #f1a18c; }
    .feature-lead h3 { max-width: 520px; margin: 16px 0 12px; font-size: 30px; line-height: 1.3; }
    .feature-lead p { color: #c1d0c7; font-size: 14px; margin-bottom: 25px; }
    .feature-line { display: flex; gap: 12px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.18); color: #d9e4dd; font-size: 13px; }
    .feature-line span { color: #f1a18c; font-weight: 900; }
    .benefit-list { border-top: 1px solid rgba(255,255,255,.18); }
    .benefit-item { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
    .benefit-item strong { display: block; margin-bottom: 4px; font-size: 17px; }
    .benefit-item p { color: #b5c3ba; margin-bottom: 0; font-size: 13px; }
    .number-list { border-top: 1px solid var(--line); }
    .number-item { display: grid; grid-template-columns: 52px 1fr 1.1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
    .number-item em { color: var(--coral); font-style: normal; font-weight: 900; }
    .number-item h3 { margin-bottom: 5px; font-size: 18px; }
    .number-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .faq-list { max-width: 850px; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 21px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-weight: 850; }
    .faq-icon { color: var(--coral); font-size: 23px; line-height: 1; }
    .faq-answer { display: none; max-width: 720px; padding: 0 42px 21px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .cta-band { padding: 70px 0; color: white; background: var(--coral); }
    .cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
    .cta-inner h2 { max-width: 620px; margin-bottom: 10px; font-size: clamp(28px, 4vw, 47px); line-height: 1.25; font-weight: 900; }
    .cta-inner p { margin-bottom: 0; color: #fff0ea; }
    .cta-band .button { color: var(--ink); background: var(--paper); }
    .cta-band .button:hover { background: #fff; transform: translateY(-2px); }
    .site-footer { padding: 54px 0 20px; color: #dfe8e1; background: var(--forest-deep); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .9fr; gap: 55px; padding-bottom: 42px; }
    .footer-brand { color: #fff; }
    .footer-copy { max-width: 390px; margin: 17px 0 0; color: #aebeb3; font-size: 13px; }
    .footer-title { margin-bottom: 15px; color: #fff; font-size: 13px; font-weight: 900; }
    .footer-link { display: block; margin: 8px 0; color: #aebeb3; font-size: 13px; transition: var(--ease); }
    a.footer-link:hover { color: #f1a18c; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); color: #8fa197; font-size: 11px; }
    @media (max-width: 900px) {
      .intro-grid, .feature-grid { grid-template-columns: 1fr; gap: 32px; }
      .filter-layout { grid-template-columns: 245px 1fr; gap: 30px; }
      .footer-grid { gap: 28px; }
    }
    @media (max-width: 700px) {
      .container { width: min(100% - 28px, 560px); }
      .desktop-nav { display: none; }
      .menu-button { display: block; }
      .nav-row { min-height: 68px; }
      .brand-text { font-size: 15px; }
      .page-intro { padding: 43px 0 42px; }
      h1 { font-size: clamp(37px, 12vw, 58px); }
      .section { padding: 61px 0; }
      .section-head, .cta-inner { display: block; }
      .section-head h2 { margin-bottom: 14px; }
      .filter-layout { grid-template-columns: 1fr; }
      .filter-box { padding: 19px; }
      .number-item { grid-template-columns: 40px 1fr; }
      .number-item p { grid-column: 2; }
      .result-item { grid-template-columns: 34px 1fr auto; gap: 11px; }
      .result-action { font-size: 18px; }
      .cta-inner .button { margin-top: 24px; }
      .footer-grid, .footer-bottom { display: block; }
      .footer-grid > div { margin-bottom: 28px; }
      .footer-bottom span { display: block; margin-top: 8px; }
    }
    @media (max-width: 520px) {
      .progress { gap: 9px; }
      .step-line { width: 22px; flex-basis: 22px; }
      .result-summary { line-height: 1.55; }
      .result-item:hover { padding-left: 0; }
      .feature-lead { padding: 22px; }
    }