/* roulang page: index */
:root {
      --ink: #121315;
      --ink-soft: #1b1c20;
      --paper: #f1eee8;
      --paper-deep: #e6e2da;
      --white: #fffdfa;
      --muted: #77736d;
      --line: #d4d0c8;
      --line-dark: #34353a;
      --berry: #b22663;
      --berry-deep: #861746;
      --coral: #ed725f;
      --lime: #b8d866;
      --shadow: 0 18px 45px rgba(22, 20, 20, .08);
      --radius: 14px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.65;
      letter-spacing: 0;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button { cursor: pointer; }
    ::selection { color: var(--white); background: var(--berry); }
    :focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }

    .side-shell {
      position: fixed;
      inset: 0 auto 0 0;
      z-index: 30;
      width: 94px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 25px 12px 20px;
      color: #eeebe5;
      background: var(--ink);
      border-right: 1px solid #2c2d30;
    }
    .brand-vertical {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 126px;
      padding: 9px 0;
      writing-mode: vertical-rl;
      font-size: 15px;
      font-weight: 800;
      letter-spacing: 2px;
      color: #fffaf4;
      border-left: 2px solid var(--coral);
    }
    .side-nav { display: grid; gap: 9px; margin: auto 0; }
    .side-link {
      position: relative;
      display: grid;
      justify-items: center;
      gap: 5px;
      padding: 12px 5px;
      color: #9b9997;
      border: 1px solid transparent;
      border-radius: 10px;
      transition: .25s ease;
    }
    .side-link:hover, .side-link.active {
      color: #fffaf4;
      background: #232428;
      border-color: #3b3c40;
    }
    .side-link.active::before {
      content: "";
      position: absolute;
      left: -13px;
      top: 17px;
      width: 3px;
      height: 27px;
      background: var(--coral);
    }
    .nav-number { font: 700 10px/1 "SFMono-Regular", Consolas, monospace; color: var(--coral); }
    .nav-name { font-size: 12px; white-space: nowrap; }
    .side-foot {
      color: #7c7b7a;
      font: 10px/1.5 "SFMono-Regular", Consolas, monospace;
      text-align: center;
    }
    .mobile-bar { display: none; }

    .page-main { margin-left: 94px; }
    .container { width: min(1280px, calc(100% - 96px)); margin: 0 auto; }
    .section { padding: 105px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--berry);
      font: 700 11px/1 "SFMono-Regular", Consolas, monospace;
      letter-spacing: 1px;
      text-transform: uppercase;
    }
    .eyebrow::before { content: ""; width: 25px; height: 2px; background: var(--coral); }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      max-width: 820px;
      margin: 22px 0 21px;
      font-size: clamp(42px, 6vw, 76px);
      line-height: 1.08;
      letter-spacing: 0;
      font-weight: 900;
    }
    h2 { margin: 12px 0 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.15; font-weight: 850; }
    h3 { font-size: 20px; line-height: 1.3; font-weight: 800; }
    .section-intro { max-width: 470px; margin: 0; color: var(--muted); font-size: 15px; }

    .dashboard { padding: 74px 0 82px; background: var(--paper); }
    .hero-copy { max-width: 950px; }
    .hero-copy p { max-width: 690px; margin-bottom: 28px; color: #5f5b56; font-size: 17px; }
    .actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 750;
      transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { color: #fff; background: var(--berry); box-shadow: 0 8px 18px rgba(178,38,99,.18); }
    .btn-primary:hover { background: var(--berry-deep); }
    .btn-secondary { color: var(--ink); background: transparent; border-color: #aaa59d; }
    .btn-secondary:hover { color: var(--berry); border-color: var(--berry); background: #fffaf4; }
    .btn-dark { color: #fff; background: var(--ink); }
    .btn-dark:hover { background: var(--berry); }
    .arrow { transition: transform .2s ease; }
    .btn:hover .arrow, .matrix-item:hover .arrow { transform: translateX(4px); }

    .dash-grid {
      display: grid;
      grid-template-columns: 1.45fr .8fr .8fr .42fr;
      gap: 12px;
      margin-top: 58px;
    }
    .dash-panel {
      min-height: 190px;
      padding: 22px;
      background: var(--ink);
      color: #f4f0e9;
      border: 1px solid #34353a;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .dash-panel.primary { position: relative; overflow: hidden; }
    .dash-panel.primary::after {
      content: "";
      position: absolute;
      right: -30px;
      bottom: -48px;
      width: 180px;
      height: 180px;
      border: 1px solid rgba(237,114,95,.45);
      border-radius: 50%;
      box-shadow: 0 0 0 20px rgba(237,114,95,.06), 0 0 0 42px rgba(237,114,95,.04);
    }
    .dash-label { color: #aaa7a1; font-size: 12px; }
    .dash-value { margin: 16px 0 9px; color: #fff; font: 800 42px/1 "SFMono-Regular", Consolas, monospace; }
    .dash-note { color: var(--lime); font-size: 12px; }
    .dash-mini { display: flex; align-items: end; height: 45px; gap: 5px; margin-top: 25px; }
    .dash-mini i { display: block; width: 8px; background: var(--coral); border-radius: 2px 2px 0 0; }
    .dash-mini i:nth-child(1){height:22%}.dash-mini i:nth-child(2){height:47%}.dash-mini i:nth-child(3){height:35%}.dash-mini i:nth-child(4){height:72%}.dash-mini i:nth-child(5){height:58%}.dash-mini i:nth-child(6){height:90%}.dash-mini i:nth-child(7){height:78%}
    .status-panel { display: flex; flex-direction: column; justify-content: space-between; text-align: center; }
    .status-dot { width: 10px; height: 10px; margin: 3px auto 16px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 5px rgba(184,216,102,.1); }
    .status-panel strong { font-size: 13px; writing-mode: vertical-rl; margin: 0 auto; color: #fff; letter-spacing: 2px; }
    .dash-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 9px; padding-top: 4px; }
    .tag { display: inline-flex; align-items: center; min-height: 27px; padding: 0 10px; color: #645e58; background: #e0dcd4; border: 1px solid #cbc6bd; border-radius: 999px; font-size: 12px; }
    .tag.dark { color: #d5d1ca; background: #25262a; border-color: #3e3f43; }
    .tag.selected { color: #fff; background: var(--berry); border-color: var(--berry); }

    .matrix-section { background: var(--white); border-top: 1px solid var(--line); }
    .matrix { display: grid; grid-template-columns: 1.35fr .85fr; gap: 14px; }
    .matrix-item {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 210px;
      padding: 24px;
      overflow: hidden;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      transition: .25s ease;
    }
    .matrix-item:first-child { min-height: 320px; background: var(--ink); color: #fff; }
    .matrix-item:nth-child(2) { min-height: 250px; }
    .matrix-item:hover { transform: translateY(-3px); border-color: var(--coral); box-shadow: var(--shadow); }
    .matrix-item::after { content: ""; position: absolute; left: 24px; right: 24px; bottom: 0; height: 2px; background: var(--coral); transform: scaleX(0); transform-origin: left; transition: .3s ease; }
    .matrix-item:hover::after { transform: scaleX(1); }
    .item-top { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
    .item-code { color: var(--coral); font: 700 12px "SFMono-Regular", Consolas, monospace; }
    .item-state { color: #71853c; font-size: 11px; }
    .matrix-item h3 { margin: 24px 0 9px; }
    .matrix-item p { max-width: 430px; margin: 0; color: var(--muted); font-size: 14px; }
    .matrix-item:first-child p { color: #b8b5ae; }
    .item-link { display: flex; justify-content: space-between; margin-top: 25px; color: var(--berry); font-size: 13px; font-weight: 750; }
    .matrix-item:first-child .item-link { color: #ff9b87; }

    .compare-section { background: var(--paper-deep); }
    .compare-wrap { display: grid; grid-template-columns: .8fr 1fr; gap: 28px; align-items: stretch; }
    .compare-note { padding: 30px 0; }
    .compare-note p { max-width: 390px; color: var(--muted); }
    .compare-board { display: grid; grid-template-columns: 1fr 1.15fr; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
    .compare-col { padding: 28px; }
    .compare-col + .compare-col { color: #fff; background: var(--ink); }
    .compare-col h3 { margin-bottom: 23px; font-size: 17px; }
    .compare-list { display: grid; gap: 17px; margin: 0; padding: 0; list-style: none; }
    .compare-list li { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 13px; border-bottom: 1px solid var(--line); font-size: 13px; }
    .compare-col + .compare-col li { border-color: #36373a; }
    .mark { color: var(--berry); font-weight: 800; }
    .compare-col + .compare-col .mark { color: var(--lime); }

    .updates-section { background: var(--white); }
    .update-list { border-top: 1px solid var(--ink); }
    .update-row { display: grid; grid-template-columns: 90px 1fr 160px 90px; align-items: center; gap: 18px; padding: 19px 0; border-bottom: 1px solid var(--line); }
    .update-row:hover { background: #faf8f3; }
    .update-no, .update-date { color: var(--muted); font: 12px "SFMono-Regular", Consolas, monospace; }
    .update-title { font-size: 15px; font-weight: 750; }
    .update-status { color: #71853c; font-size: 12px; }

    .faq-section { background: var(--paper); }
    .faq-list { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--ink); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { display: flex; align-items: center; gap: 18px; width: 100%; padding: 22px 0; color: var(--ink); background: transparent; border: 0; text-align: left; font-weight: 800; }
    .faq-question:hover { color: var(--berry); }
    .faq-no { color: var(--coral); font: 12px "SFMono-Regular", Consolas, monospace; }
    .faq-icon { margin-left: auto; color: var(--berry); font-size: 23px; transition: transform .25s ease; }
    .faq-answer { max-height: 0; overflow: hidden; color: var(--muted); font-size: 14px; transition: max-height .3s ease, padding .3s ease; }
    .faq-item.open .faq-answer { max-height: 130px; padding: 0 40px 22px; }
    .faq-item.open .faq-icon { transform: rotate(45deg); }

    .contact-section { padding: 105px 0; color: #fff; background: var(--ink); }
    .contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
    .contact-section .eyebrow { color: var(--coral); }
    .contact-section h2 { max-width: 470px; color: #fff; }
    .contact-copy { color: #aaa7a1; max-width: 400px; margin-top: 20px; font-size: 15px; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
    .field { display: grid; gap: 7px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #d6d2cb; font-size: 13px; }
    .field input, .field select, .field textarea {
      width: 100%;
      color: #fff;
      background: #202125;
      border: 1px solid #414247;
      border-radius: 7px;
      padding: 12px 13px;
      transition: .2s ease;
    }
    .field input, .field select { height: 47px; }
    .field textarea { min-height: 108px; resize: vertical; }
    .field input::placeholder, .field textarea::placeholder { color: #77777a; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--coral); box-shadow: 0 0 0 3px rgba(237,114,95,.12); }
    .form-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 17px; flex-wrap: wrap; }
    .privacy-note { color: #77777a; font-size: 11px; }
    .form-message { display: none; width: 100%; color: var(--lime); font-size: 13px; }
    .form-message.show { display: block; }

    footer { color: #aaa7a1; background: #0d0e10; border-top: 1px solid #292a2d; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 28px 0; }
    .footer-brand { color: #fff; font-size: 15px; font-weight: 800; }
    .footer-links { display: flex; gap: 22px; font-size: 12px; }
    .footer-links a:hover { color: var(--coral); }
    .copyright { font: 11px "SFMono-Regular", Consolas, monospace; }

    @media (max-width: 1100px) {
      .container { width: min(100% - 54px, 900px); }
      .dash-grid { grid-template-columns: 1.2fr 1fr 1fr; }
      .status-panel { display: none; }
      .dash-foot { grid-column: 1 / -1; }
      .contact-grid { gap: 40px; }
    }
    @media (max-width: 767px) {
      .side-shell { display: none; }
      .mobile-bar {
        position: sticky; top: 0; z-index: 40;
        display: flex; align-items: center; justify-content: space-between;
        min-height: 66px; padding: 0 20px; color: #fff;
        background: var(--ink); border-bottom: 1px solid #333438;
      }
      .mobile-brand { font-size: 15px; font-weight: 800; }
      .menu-button { display: grid; gap: 4px; padding: 9px; background: transparent; border: 1px solid #55565b; border-radius: 7px; }
      .menu-button span { width: 19px; height: 2px; background: #fff; }
      .mobile-menu { display: none; padding: 10px 20px 18px; background: var(--ink); }
      .mobile-menu.open { display: grid; gap: 3px; }
      .mobile-menu a { padding: 11px 0; color: #c2bfba; border-bottom: 1px solid #303135; font-size: 14px; }
      .page-main { margin-left: 0; }
      .container { width: calc(100% - 40px); }
      .section, .contact-section { padding: 70px 0; }
      .dashboard { padding: 58px 0 64px; }
      h1 { font-size: 43px; }
      h2 { font-size: 32px; }
      .hero-copy p { font-size: 15px; }
      .dash-grid { display: flex; overflow-x: auto; gap: 10px; margin-top: 42px; padding-bottom: 8px; scroll-snap-type: x mandatory; }
      .dash-panel { flex: 0 0 230px; min-height: 170px; scroll-snap-align: start; }
      .dash-panel.primary { flex-basis: 300px; }
      .dash-foot { flex: 0 0 100%; flex-wrap: nowrap; overflow: hidden; }
      .section-head { display: block; margin-bottom: 28px; }
      .section-intro { margin-top: 15px; }
      .matrix, .compare-wrap, .contact-grid { grid-template-columns: 1fr; }
      .matrix-item, .matrix-item:first-child, .matrix-item:nth-child(2) { min-height: 220px; }
      .compare-board { grid-template-columns: 1fr; }
      .update-row { grid-template-columns: 42px 1fr auto; gap: 10px; }
      .update-date { display: none; }
      .contact-form { grid-template-columns: 1fr; }
      .field.full, .form-foot { grid-column: auto; }
      .form-foot { display: block; }
      .form-foot .btn { width: 100%; margin-bottom: 12px; }
      .footer-inner { display: block; }
      .footer-links { margin: 18px 0; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
    }

/* roulang page: category1 */
:root {
      --ink: #121315;
      --ink-soft: #1b1c20;
      --paper: #f1eee8;
      --paper-deep: #e6e2da;
      --white: #fffdfa;
      --muted: #77736d;
      --line: #d4d0c8;
      --line-dark: #34353a;
      --berry: #b22663;
      --berry-deep: #861746;
      --coral: #ed725f;
      --lime: #b8d866;
      --shadow: 0 18px 45px rgba(22, 20, 20, .08);
      --radius: 14px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.65;
      letter-spacing: 0;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button { cursor: pointer; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 3px solid rgba(178, 38, 99, .28);
      outline-offset: 3px;
    }

    .side-shell {
      position: fixed;
      z-index: 20;
      inset: 0 auto 0 0;
      display: flex;
      flex-direction: column;
      width: 94px;
      padding: 24px 15px 20px;
      color: #fffaf4;
      background: var(--ink);
      border-right: 1px solid #2f3034;
    }
    .brand-vertical {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 126px;
      padding: 9px 0;
      writing-mode: vertical-rl;
      font-size: 15px;
      font-weight: 800;
      letter-spacing: 2px;
      color: #fffaf4;
      border-left: 2px solid var(--coral);
    }
    .side-nav { display: grid; gap: 9px; margin: auto 0; }
    .side-link {
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 8px;
      min-height: 72px;
      padding: 13px 9px;
      color: #99989a;
      border: 1px solid transparent;
      transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease;
    }
    .side-link::before {
      position: absolute;
      top: 12px;
      bottom: 12px;
      left: -16px;
      width: 2px;
      content: "";
      background: transparent;
      transition: background .22s ease;
    }
    .side-link:hover { color: #fff; background: #222327; border-color: #38393d; transform: translateX(2px); }
    .side-link.active { color: #fff; background: #25262a; border-color: #45464b; }
    .side-link.active::before { background: var(--coral); }
    .nav-number { font: 700 10px/1 "SFMono-Regular", Consolas, monospace; color: var(--coral); }
    .nav-name { font-size: 12px; white-space: nowrap; }
    .side-note {
      color: #77767a;
      font-size: 10px;
      line-height: 1.5;
      text-align: center;
    }
    .mobile-bar { display: none; }

    .page-main { margin-left: 94px; }
    .container { width: min(1280px, calc(100% - 96px)); margin: 0 auto; }
    .section { padding: 92px 0; }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 32px;
      margin-bottom: 38px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--berry);
      font: 700 11px/1 "SFMono-Regular", Consolas, monospace;
      letter-spacing: 1px;
      text-transform: uppercase;
    }
    .eyebrow::before { width: 25px; height: 2px; content: ""; background: var(--coral); }
    .section-title {
      max-width: 650px;
      margin: 14px 0 0;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.12;
      font-weight: 850;
      letter-spacing: 0;
    }
    .section-intro { max-width: 470px; margin: 0; color: var(--muted); font-size: 15px; }
    .mono { font-family: "SFMono-Regular", Consolas, monospace; }

    .index-hero {
      position: relative;
      overflow: hidden;
      padding: 74px 0 58px;
      background: var(--white);
      border-bottom: 1px solid var(--line);
    }
    .index-hero::after {
      position: absolute;
      right: 5%;
      bottom: 22px;
      width: 30%;
      height: 1px;
      content: "";
      background: var(--coral);
      opacity: .55;
    }
    .hero-copy { max-width: 920px; }
    .hero-copy h1 {
      max-width: 880px;
      margin: 20px 0 18px;
      font-size: clamp(40px, 6.2vw, 78px);
      line-height: 1.04;
      font-weight: 900;
    }
    .hero-copy p { max-width: 680px; margin: 0 0 28px; color: #5f5b56; font-size: 17px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 46px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 750;
      transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { color: #fff; background: var(--berry); box-shadow: 0 8px 18px rgba(178,38,99,.18); }
    .btn-primary:hover { background: var(--berry-deep); box-shadow: 0 12px 24px rgba(178,38,99,.22); }
    .btn-secondary { color: var(--ink); background: transparent; border-color: #aaa59d; }
    .btn-secondary:hover { color: var(--berry); border-color: var(--berry); background: #fffaf4; }
    .arrow { transition: transform .2s ease; }
    .btn:hover .arrow, .index-row:hover .arrow { transform: translateX(4px); }

    .status-strip {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px 18px;
      margin-top: 48px;
      padding: 14px 16px;
      color: #d8d4ce;
      background: var(--ink);
      border-left: 3px solid var(--coral);
    }
    .status-strip .tag { margin-left: auto; }
    .status-label { color: #9c9993; font-size: 12px; }
    .status-value { font-size: 13px; font-weight: 700; }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 27px;
      padding: 0 10px;
      color: #645e58;
      background: #e0dcd4;
      border: 1px solid #cbc6bd;
      border-radius: 999px;
      font-size: 12px;
      white-space: nowrap;
    }
    .tag.dark { color: #d5d1ca; background: #25262a; border-color: #3e3f43; }
    .tag.selected { color: #fff; background: var(--berry); border-color: var(--berry); }
    .tag.green { color: #4d6024; background: #e4ecc8; border-color: #c3d78a; }

    .metrics-section { background: var(--paper); }
    .metric-layout {
      display: grid;
      grid-template-columns: 1.35fr .82fr .82fr;
      gap: 12px;
    }
    .metric-panel {
      min-height: 190px;
      padding: 25px;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 5px 16px rgba(28, 25, 23, .03);
    }
    .metric-panel.primary {
      color: #fff;
      background: var(--ink);
      border-color: var(--ink);
    }
    .metric-head { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); font-size: 12px; }
    .primary .metric-head { color: #aaa8a2; }
    .metric-number {
      display: block;
      margin: 26px 0 6px;
      font: 800 clamp(42px, 5vw, 64px)/1 "SFMono-Regular", Consolas, monospace;
      letter-spacing: 0;
    }
    .metric-caption { color: var(--muted); font-size: 13px; }
    .primary .metric-caption { color: #bcb8b1; }
    .metric-line { height: 5px; margin-top: 24px; overflow: hidden; background: #35363a; border-radius: 99px; }
    .metric-line span { display: block; width: 78%; height: 100%; background: var(--coral); }
    .metric-points { display: flex; align-items: end; gap: 7px; height: 48px; margin-top: 24px; }
    .metric-points i { display: block; flex: 1; min-width: 6px; background: var(--berry); opacity: .78; }
    .metric-points i:nth-child(1) { height: 35%; }
    .metric-points i:nth-child(2) { height: 52%; }
    .metric-points i:nth-child(3) { height: 42%; }
    .metric-points i:nth-child(4) { height: 75%; }
    .metric-points i:nth-child(5) { height: 61%; }
    .metric-points i:nth-child(6) { height: 88%; background: var(--coral); }

    .matrix-section { background: var(--white); border-top: 1px solid var(--line); }
    .matrix-grid {
      display: grid;
      grid-template-columns: 1.25fr .85fr .85fr;
      gap: 12px;
      align-items: start;
    }
    .matrix-item {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 230px;
      padding: 24px;
      overflow: hidden;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      transition: .25s ease;
    }
    .matrix-item:first-child {
      min-height: 350px;
      color: #fff;
      background: var(--ink);
    }
    .matrix-item:nth-child(2) { min-height: 270px; }
    .matrix-item:nth-child(3) { min-height: 310px; }
    .matrix-item:hover { transform: translateY(-3px); border-color: var(--coral); box-shadow: var(--shadow); }
    .matrix-item::after {
      position: absolute;
      right: 24px;
      bottom: 0;
      left: 24px;
      height: 2px;
      content: "";
      background: var(--coral);
      transform: scaleX(0);
      transform-origin: left;
      transition: .3s ease;
    }
    .matrix-item:hover::after { transform: scaleX(1); }
    .item-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
    .item-code { color: var(--coral); font: 700 12px "SFMono-Regular", Consolas, monospace; }
    .item-state { color: #71853c; font-size: 11px; }
    .matrix-item h3 { margin: 24px 0 9px; font-size: 23px; line-height: 1.25; }
    .matrix-item p { max-width: 430px; margin: 0; color: var(--muted); font-size: 14px; }
    .matrix-item:first-child p { color: #b8b5ae; }
    .item-link { display: flex; justify-content: space-between; margin-top: 25px; color: var(--berry); font-size: 13px; font-weight: 750; }
    .matrix-item:first-child .item-link { color: #ff9b87; }
    .matrix-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }

    .index-section { background: var(--paper-deep); }
    .index-shell {
      display: grid;
      grid-template-columns: 240px minmax(0, 1fr);
      gap: 42px;
      align-items: start;
    }
    .filter-panel {
      position: sticky;
      top: 28px;
      padding: 22px;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius);
    }
    .filter-title { margin: 0 0 20px; font-size: 16px; font-weight: 850; }
    .filter-group { padding: 18px 0; border-top: 1px solid var(--line); }
    .filter-group:first-of-type { padding-top: 0; border-top: 0; }
    .filter-label {
      display: block;
      margin-bottom: 11px;
      color: var(--muted);
      font: 700 11px "SFMono-Regular", Consolas, monospace;
      letter-spacing: .5px;
    }
    .filter-options { display: flex; flex-wrap: wrap; gap: 7px; }
    .filter-btn {
      min-height: 32px;
      padding: 0 10px;
      color: #605b55;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 7px;
      font-size: 12px;
      transition: .2s ease;
    }
    .filter-btn:hover, .filter-btn.active { color: #fff; background: var(--berry); border-color: var(--berry); }
    .clear-filter {
      width: 100%;
      min-height: 40px;
      margin-top: 8px;
      color: var(--berry);
      background: transparent;
      border: 1px solid var(--berry);
      border-radius: 7px;
      font-size: 13px;
      transition: .2s ease;
    }
    .clear-filter:hover { color: #fff; background: var(--berry); }
    .list-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 17px;
    }
    .result-count { color: var(--muted); font-size: 13px; }
    .sort-select {
      min-height: 38px;
      padding: 0 30px 0 11px;
      color: var(--ink);
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 7px;
      font-size: 12px;
    }
    .index-list { border-top: 1px solid var(--ink); }
    .index-row {
      display: grid;
      grid-template-columns: 62px minmax(0, 1fr) 150px 90px;
      align-items: center;
      gap: 20px;
      min-height: 112px;
      padding: 18px 14px 18px 0;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease, padding .2s ease;
    }
    .index-row:hover { padding-left: 12px; background: rgba(255, 253, 250, .7); }
    .row-no { color: var(--coral); font: 700 12px "SFMono-Regular", Consolas, monospace; }
    .row-title { margin: 7px 0 3px; font-size: 17px; font-weight: 800; }
    .row-desc { margin: 0; color: var(--muted); font-size: 13px; }
    .row-meta { color: var(--muted); font-size: 12px; }
    .row-action { color: var(--berry); font-size: 13px; font-weight: 750; text-align: right; }
    .pagination {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
      margin-top: 24px;
    }
    .page-buttons { display: flex; gap: 6px; }
    .page-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      color: var(--muted);
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 7px;
      font-size: 12px;
    }
    .page-btn:hover, .page-btn.current { color: #fff; background: var(--berry); border-color: var(--berry); }
    .empty-state, .error-state {
      display: none;
      margin-top: 18px;
      padding: 22px;
      color: var(--muted);
      background: var(--white);
      border: 1px dashed var(--line);
      border-radius: var(--radius);
      text-align: center;
      font-size: 13px;
    }

    .faq-section { background: var(--paper); }
    .faq-list { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--ink); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question {
      display: flex;
      align-items: center;
      gap: 18px;
      width: 100%;
      padding: 22px 0;
      color: var(--ink);
      background: transparent;
      border: 0;
      text-align: left;
      font-weight: 800;
    }
    .faq-question:hover { color: var(--berry); }
    .faq-no { color: var(--coral); font: 12px "SFMono-Regular", Consolas, monospace; }
    .faq-icon { margin-left: auto; color: var(--berry); font-size: 23px; transition: transform .25s ease; }
    .faq-answer { display: none; max-width: 760px; padding: 0 45px 22px; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-icon { transform: rotate(45deg); }

    .contact-section { padding: 92px 0 105px; background: var(--ink); color: #fff; }
    .contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
    .contact-section .eyebrow { color: var(--coral); }
    .contact-title { margin: 17px 0 16px; font-size: clamp(32px, 4.5vw, 55px); line-height: 1.08; font-weight: 850; }
    .contact-copy { max-width: 390px; color: #aaa8a2; font-size: 14px; }
    .contact-mark {
      margin-top: 45px;
      color: #69686b;
      font: 700 11px "SFMono-Regular", Consolas, monospace;
      letter-spacing: 1px;
    }
    .contact-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      padding: 28px;
      background: #1b1c20;
      border: 1px solid #37383d;
      border-radius: var(--radius);
    }
    .field { display: grid; gap: 7px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #d5d1ca; font-size: 13px; font-weight: 700; }
    .required { color: var(--coral); }
    .field input, .field select, .field textarea {
      width: 100%;
      color: #fff;
      background: #121315;
      border: 1px solid #424348;
      border-radius: 7px;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field input, .field select { height: 45px; padding: 0 12px; }
    .field textarea { min-height: 112px; padding: 11px 12px; resize: vertical; }
    .field input::placeholder, .field textarea::placeholder { color: #717075; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--coral);
      box-shadow: 0 0 0 3px rgba(237, 114, 95, .12);
    }
    .form-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; grid-column: 1 / -1; }
    .privacy-note { color: #85838a; font-size: 11px; }
    .form-message { display: none; grid-column: 1 / -1; padding: 10px 12px; color: #d8ed9c; background: rgba(184, 216, 102, .1); border-left: 2px solid var(--lime); font-size: 13px; }
    .form-message.show { display: block; }

    footer { color: #b7b3ad; background: var(--ink); border-top: 1px solid #303136; }
    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      min-height: 100px;
    }
    .footer-brand { color: #fff; font-size: 15px; font-weight: 850; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 12px; }
    .footer-links a { transition: color .2s ease; }
    .footer-links a:hover { color: var(--coral); }
    .copyright { color: #77767a; font: 11px "SFMono-Regular", Consolas, monospace; }

    @media (max-width: 1100px) {
      .container { width: min(100% - 56px, 1000px); }
      .metric-layout { grid-template-columns: 1.2fr 1fr; }
      .metric-panel:last-child { grid-column: 1 / -1; }
      .matrix-grid { grid-template-columns: 1fr 1fr; }
      .matrix-item:first-child { grid-row: span 2; }
      .contact-layout { gap: 36px; }
    }

    @media (max-width: 767px) {
      .side-shell { display: none; }
      .mobile-bar {
        position: sticky;
        z-index: 30;
        top: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 67px;
        padding: 0 20px;
        color: #fff;
        background: var(--ink);
        border-bottom: 1px solid #303136;
      }
      .mobile-brand { font-size: 15px; font-weight: 850; }
      .mobile-menu {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        color: #fff;
        background: #25262a;
        border: 1px solid #45464b;
        border-radius: 7px;
      }
      .mobile-menu span, .mobile-menu span::before, .mobile-menu span::after {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--coral);
        content: "";
        transition: transform .2s ease;
      }
      .mobile-menu span::before { transform: translateY(-6px); }
      .mobile-menu span::after { transform: translateY(4px); }
      .mobile-nav {
        display: none;
        position: absolute;
        top: 67px;
        right: 0;
        left: 0;
        padding: 13px 20px 17px;
        background: var(--ink-soft);
        border-bottom: 1px solid #3b3c41;
      }
      .mobile-nav.open { display: grid; gap: 7px; }
      .mobile-nav a { padding: 12px; color: #aaa8a2; border: 1px solid #35363a; font-size: 13px; }
      .mobile-nav a.active { color: #fff; border-color: var(--coral); }
      .page-main { margin-left: 0; }
      .container { width: min(100% - 40px, 620px); }
      .section { padding: 68px 0; }
      .index-hero { padding: 58px 0 40px; }
      .hero-copy h1 { font-size: clamp(39px, 12vw, 57px); }
      .hero-copy p { font-size: 15px; }
      .status-strip { align-items: flex-start; }
      .status-strip .tag { margin-left: 0; }
      .metric-layout, .matrix-grid, .index-shell, .contact-layout { display: grid; grid-template-columns: 1fr; }
      .metric-panel:last-child { grid-column: auto; }
      .matrix-item:first-child { grid-row: auto; min-height: 290px; }
      .matrix-item:nth-child(2), .matrix-item:nth-child(3) { min-height: 220px; }
      .section-head { display: block; margin-bottom: 28px; }
      .section-intro { margin-top: 18px; }
      .filter-panel { position: static; }
      .list-toolbar { align-items: flex-start; flex-direction: column; }
      .index-row {
        grid-template-columns: 42px minmax(0, 1fr);
        gap: 12px;
        padding: 17px 0;
      }
      .row-meta { grid-column: 2; }
      .row-action { grid-column: 2; text-align: left; }
      .pagination { align-items: flex-start; flex-direction: column; }
      .faq-question { gap: 11px; font-size: 14px; }
      .faq-answer { padding: 0 0 20px 33px; }
      .contact-form { grid-template-columns: 1fr; padding: 20px; }
      .field.full, .form-bottom, .form-message { grid-column: auto; }
      .form-bottom { align-items: flex-start; flex-direction: column; }
      .form-bottom .btn { width: 100%; }
      .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding: 25px 0; }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
      }
    }
