/* roulang page: index */
:root {
      --ink: #141414;
      --jade: #3F6F63;
      --jade-deep: #2F564C;
      --ivory: #F4F0E8;
      --paper: #FFFCF7;
      --line: #E4DDD2;
      --line-strong: #D4CBBC;
      --dark: #101211;
      --ivory-text: #F4F0E8;
      --bronze: #C4B091;
      --body: #2A2724;
      --muted: #6A645C;
      --white: #FFFFFF;
      --danger: #8A6A3B;
      --radius-btn: 2px;
      --radius-card: 4px;
      --radius-input: 2px;
      --max: 1180px;
      --nav-h: 72px;
      --top-h: 40px;
      --space: 24px;
      --ease: cubic-bezier(.22, .61, .36, 1);
      --shadow-paper: 0 1px 0 rgba(20, 20, 20, .04);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 17px;
      line-height: 1.75;
      color: var(--body);
      background: var(--ivory);
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--jade); text-decoration: none; transition: color .25s var(--ease); }
    a:hover { color: var(--jade-deep); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 {
      font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      font-weight: 700;
      color: var(--ink);
      letter-spacing: -.02em;
      line-height: 1.28;
      margin: 0;
    }
    p { margin: 0 0 1.15em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    :focus-visible {
      outline: 2px solid var(--jade);
      outline-offset: 3px;
    }
    .skip-link {
      position: absolute;
      left: 12px;
      top: -48px;
      background: var(--ink);
      color: var(--white);
      padding: 8px 14px;
      z-index: 2000;
    }
    .skip-link:focus { top: 12px; }
    .container {
      width: min(var(--max), calc(100% - 48px));
      margin: 0 auto;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      letter-spacing: .18em;
      text-transform: none;
      color: var(--jade);
      font-weight: 500;
      margin-bottom: 16px;
    }
    .kicker::before {
      content: "";
      width: 18px;
      height: 1px;
      background: var(--jade);
    }
    .section {
      padding: 112px 0;
      position: relative;
    }
    .section-head {
      max-width: 720px;
      margin-bottom: 48px;
    }
    .section-head.wide { max-width: 860px; }
    .section-head h2 {
      font-size: clamp(1.55rem, 2.4vw, 2.2rem);
      margin-bottom: 16px;
    }
    .section-head p {
      color: var(--muted);
      font-size: 16px;
      margin: 0;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 500;
      letter-spacing: .04em;
      transition: color .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
      position: relative;
      overflow: hidden;
      z-index: 1;
      text-decoration: none;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--ink);
      color: var(--white);
      border: 1px solid var(--ink);
    }
    .btn-primary::before {
      content: "";
      position: absolute;
      inset: 0;
      background: var(--jade);
      transform: scaleX(0);
      transform-origin: left center;
      transition: transform .35s var(--ease);
      z-index: -1;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible { color: var(--white); }
    .btn-primary:hover::before,
    .btn-primary:focus-visible::before { transform: scaleX(1); }
    .btn-primary:active { transform: none; }
    .btn-ghost {
      background: transparent;
      color: var(--ivory-text);
      border: 1px solid rgba(244, 240, 232, .55);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      background: var(--ink);
      color: var(--white);
      border-color: var(--ink);
    }
    .btn-line {
      background: transparent;
      color: var(--ink);
      border: 1px solid var(--ink);
    }
    .btn-line:hover,
    .btn-line:focus-visible {
      background: var(--ink);
      color: var(--white);
    }
    .btn-sm { min-height: 44px; padding: 10px 20px; font-size: 14px; }
    .topbar {
      height: var(--top-h);
      background: #EFE9DD;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
      letter-spacing: .04em;
    }
    .topbar-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .topbar a { color: var(--muted); }
    .topbar a:hover { color: var(--jade); }
    .topbar-right {
      display: flex;
      align-items: center;
      gap: 22px;
    }
    .nav-main {
      height: var(--nav-h);
      background: var(--ivory);
      border-bottom: 1px solid transparent;
      position: sticky;
      top: 0;
      z-index: 80;
      transition: border-color .25s var(--ease), background .25s var(--ease);
    }
    .nav-main.is-stuck {
      border-bottom-color: var(--ink);
      background: #F4F0E8;
    }
    .nav-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      flex-shrink: 0;
    }
    .logo:hover { color: var(--ink); }
    .logo-mark {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      background: var(--ink);
      color: var(--ivory);
      font-family: "Noto Serif SC", serif;
      font-size: 16px;
      font-weight: 700;
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong {
      font-family: "Noto Serif SC", serif;
      font-size: 16px;
      font-weight: 700;
    }
    .logo-text em {
      font-style: normal;
      font-size: 11px;
      color: var(--muted);
      letter-spacing: .12em;
      font-weight: 500;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 26px;
    }
    .nav-links a {
      color: var(--ink);
      font-size: 14px;
      position: relative;
      padding: 6px 0;
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 2px;
      width: 0;
      height: 1px;
      background: var(--jade);
      transition: width .3s var(--ease);
    }
    .nav-links a:hover,
    .nav-links a:focus-visible { color: var(--jade); }
    .nav-links a:hover::after,
    .nav-links a:focus-visible::after,
    .nav-links a.is-active::after { width: 100%; }
    .nav-cta { flex-shrink: 0; }
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 6px;
    }
    .nav-toggle span {
      display: block;
      width: 20px;
      height: 1px;
      background: var(--ink);
      transition: transform .3s var(--ease), opacity .3s;
    }
    .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
    .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .drawer {
      position: fixed;
      inset: 0;
      background: var(--ivory);
      z-index: 90;
      transform: translateX(100%);
      transition: transform .4s var(--ease);
      display: flex;
      flex-direction: column;
      padding: 88px 28px 32px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a.drawer-link {
      color: var(--ink);
      font-family: "Noto Serif SC", serif;
      font-size: 26px;
      font-weight: 700;
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
    }
    .drawer-foot {
      margin-top: auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .drawer-foot a.tel {
      color: var(--muted);
      font-size: 14px;
    }
    body.nav-lock { overflow: hidden; }
    #hero {
      position: relative;
      height: 88vh;
      min-height: 620px;
      overflow: hidden;
      color: var(--ivory-text);
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      transition: opacity .55s ease;
    }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-mask {
      position: absolute;
      inset: 0;
      z-index: 2;
      background: linear-gradient(90deg, rgba(20, 20, 20, .78) 0%, rgba(20, 20, 20, .48) 48%, rgba(20, 20, 20, .22) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 3;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 48px 0 80px;
    }
    .status-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 22px;
      margin-bottom: 28px;
      font-size: 12px;
      letter-spacing: .08em;
      color: rgba(244, 240, 232, .78);
    }
    .status-bar span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-bar i {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--jade);
      display: inline-block;
    }
    .vlabel {
      position: absolute;
      right: 18px;
      top: 50%;
      transform: translateY(-50%);
      writing-mode: vertical-rl;
      letter-spacing: .5em;
      font-size: 12px;
      color: rgba(244, 240, 232, .35);
      pointer-events: none;
      z-index: 3;
    }
    #hero h1 {
      color: var(--ivory-text);
      font-size: clamp(1.75rem, 4.2vw, 3.35rem);
      max-width: 16ch;
      margin-bottom: 20px;
    }
    .hero-lead {
      max-width: 38em;
      color: rgba(244, 240, 232, .86);
      font-size: 16px;
      margin-bottom: 28px;
    }
    .icon-matrix {
      display: grid;
      grid-template-columns: repeat(6, minmax(0, 90px));
      gap: 10px;
      margin-bottom: 32px;
      max-width: 640px;
    }
    .icon-cell {
      border: 1px solid rgba(244, 240, 232, .22);
      padding: 10px 8px 8px;
      text-align: center;
      color: rgba(244, 240, 232, .88);
      font-size: 12px;
      background: rgba(16, 18, 17, .18);
    }
    .icon-cell svg {
      width: 18px;
      height: 18px;
      margin: 0 auto 6px;
      stroke: var(--bronze);
      fill: none;
      stroke-width: 1.4;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-nav {
      position: absolute;
      z-index: 4;
      bottom: 28px;
      left: 0;
      right: 0;
    }
    .hero-nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .hero-arrows button,
    .hero-pause {
      width: 44px;
      height: 44px;
      border: 1px solid rgba(244, 240, 232, .4);
      color: var(--ivory-text);
      display: grid;
      place-items: center;
    }
    .hero-arrows button:hover,
    .hero-pause:hover { border-color: var(--bronze); color: var(--bronze); }
    .hero-dots { display: flex; gap: 8px; align-items: center; }
    .hero-dots button {
      width: 28px;
      height: 2px;
      background: rgba(244, 240, 232, .35);
      padding: 0;
    }
    .hero-dots button.is-active { background: var(--jade); }
    #intro { background: var(--paper); }
    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 64px;
      align-items: center;
    }
    .intro-visual {
      position: relative;
      border: 1px solid var(--line);
      background: var(--ivory);
    }
    .intro-visual img {
      width: 100%;
      aspect-ratio: 16/10;
      object-fit: cover;
    }
    .intro-chip {
      position: absolute;
      left: 16px;
      bottom: 16px;
      background: var(--ink);
      color: var(--ivory-text);
      font-size: 12px;
      padding: 8px 12px;
      letter-spacing: .08em;
    }
    .spec-list {
      margin-top: 24px;
      display: grid;
      gap: 12px;
    }
    .spec-list li {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 12px;
      font-size: 14px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }
    .spec-list strong {
      color: var(--jade);
      font-weight: 600;
      font-size: 13px;
    }
    #capabilities { background: var(--ivory); }
    .cap-layout {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 48px;
      align-items: stretch;
    }
    .cap-index { display: flex; flex-direction: column; border-top: 1px solid var(--line-strong); }
    .cap-index button {
      text-align: left;
      padding: 16px 8px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 8px;
      align-items: baseline;
    }
    .cap-index button b {
      font-family: "Noto Serif SC", serif;
      font-size: 18px;
      color: var(--bronze);
      font-weight: 700;
    }
    .cap-index button span {
      font-size: 15px;
      color: inherit;
    }
    .cap-index button.is-active {
      color: var(--ink);
      border-bottom-color: var(--ink);
    }
    .cap-index button.is-active b { color: var(--jade); }
    .cap-index button:hover { color: var(--ink); }
    .cap-stage {
      border: 1px solid var(--line);
      background: var(--paper);
      min-height: 420px;
      display: grid;
      grid-template-rows: 1.15fr auto;
    }
    .cap-stage img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 260px;
    }
    .cap-copy { padding: 28px 32px 32px; }
    .cap-copy h3 {
      font-size: 22px;
      margin-bottom: 10px;
    }
    .cap-copy p { color: var(--muted); font-size: 15px; }
    .cap-panel { display: none; }
    .cap-panel.is-active { display: contents; }
    #advantages { background: var(--paper); }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .adv-card {
      background: var(--ivory);
      border: 1px solid var(--line);
      padding: 28px 24px 26px;
      min-height: 220px;
    }
    .adv-card:hover { border-color: var(--jade); }
    .adv-ico {
      width: 36px;
      height: 36px;
      margin-bottom: 18px;
      stroke: var(--ink);
      fill: none;
      stroke-width: 1.3;
    }
    .adv-card h3 {
      font-size: 18px;
      margin-bottom: 10px;
      background-image: linear-gradient(var(--jade), var(--jade));
      background-position: left bottom;
      background-repeat: no-repeat;
      background-size: 0 1px;
      display: inline;
      transition: background-size .3s var(--ease);
    }
    .adv-card:hover h3 { background-size: 100% 1px; }
    .adv-card p { color: var(--muted); font-size: 14px; margin-top: 10px; }
    #metrics {
      background: var(--dark);
      color: var(--ivory-text);
      padding: 72px 0;
    }
    #metrics .section-head h2,
    #philosophy .section-head h2 { color: var(--ivory-text); }
    #metrics .section-head p { color: rgba(244, 240, 232, .7); }
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      border: 1px solid rgba(196, 176, 145, .35);
    }
    .metric {
      padding: 28px 20px;
      border-right: 1px solid rgba(196, 176, 145, .28);
    }
    .metric:nth-child(even) { background: rgba(244, 240, 232, .03); }
    .metric:last-child { border-right: 0; }
    .metric-num {
      font-family: "Noto Serif SC", serif;
      font-size: clamp(1.8rem, 3vw, 2.6rem);
      color: var(--bronze);
      font-variant-numeric: tabular-nums;
      letter-spacing: -.03em;
      line-height: 1.1;
    }
    .metric-num small {
      font-size: .45em;
      margin-left: 4px;
      color: var(--ivory-text);
    }
    .metric h3 {
      color: var(--ivory-text);
      font-size: 14px;
      margin: 10px 0 6px;
      font-weight: 600;
    }
    .metric p { font-size: 12px; color: rgba(244, 240, 232, .55); margin: 0; }
    #products { background: var(--ivory); }
    .prod-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .prod-card {
      background: var(--paper);
      border: 1px solid var(--line);
      display: flex;
      flex-direction: column;
    }
    .prod-card:hover { border-color: var(--jade); }
    .prod-card img {
      width: 100%;
      aspect-ratio: 16/10;
      object-fit: cover;
    }
    .prod-body { padding: 24px 22px 26px; display: flex; flex-direction: column; flex: 1; }
    .prod-body h3 {
      font-size: 20px;
      margin-bottom: 8px;
      background-image: linear-gradient(var(--jade), var(--jade));
      background-position: left bottom;
      background-repeat: no-repeat;
      background-size: 0 1px;
      display: inline;
      transition: background-size .3s var(--ease);
    }
    .prod-card:hover h3 { background-size: 100% 1px; }
    .price {
      color: var(--jade);
      font-size: 13px;
      letter-spacing: .06em;
      margin: 8px 0 14px;
    }
    .prod-body ul { margin-bottom: 20px; }
    .prod-body li {
      font-size: 14px;
      color: var(--muted);
      padding-left: 14px;
      position: relative;
      margin-bottom: 8px;
    }
    .prod-body li::before {
      content: "";
      width: 6px;
      height: 1px;
      background: var(--jade);
      position: absolute;
      left: 0;
      top: .75em;
    }
    .prod-body .btn { margin-top: auto; align-self: flex-start; }
    #process { background: var(--paper); }
    .steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 0;
      position: relative;
    }
    .steps::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 38px;
      height: 1px;
      background: var(--ink);
      opacity: .18;
    }
    .step { padding: 0 16px 0 0; position: relative; }
    .step-no {
      font-family: "Noto Serif SC", serif;
      font-size: 48px;
      color: var(--jade);
      line-height: 1;
      margin-bottom: 18px;
    }
    .step h3 { font-size: 18px; margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--muted); }
    #philosophy {
      background: var(--dark);
      color: var(--ivory-text);
      padding: 120px 0;
      position: relative;
    }
    .philo-bg {
      position: absolute;
      inset: 0;
      opacity: .22;
    }
    .philo-bg img { width: 100%; height: 100%; object-fit: cover; }
    .philo-inner { position: relative; z-index: 1; }
    .philo-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 64px;
      align-items: center;
    }
    #philosophy h2 {
      font-size: clamp(1.7rem, 3vw, 2.5rem);
      color: var(--ivory-text);
      max-width: 12em;
    }
    .bronze-line {
      width: 64px;
      height: 1px;
      background: var(--bronze);
      margin: 24px 0;
    }
    #philosophy .lead {
      color: rgba(244, 240, 232, .72);
      max-width: 36em;
    }
    .compare {
      border-top: 1px solid rgba(196, 176, 145, .4);
    }
    .compare li {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 16px;
      padding: 18px 0;
      border-bottom: 1px solid rgba(196, 176, 145, .22);
      font-size: 15px;
    }
    .compare b {
      color: var(--bronze);
      font-family: "Noto Serif SC", serif;
      font-weight: 700;
    }
    .compare span { color: rgba(244, 240, 232, .86); }
    #cases { background: var(--ivory); }
    .cases-wall {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .case-card {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--paper);
      min-height: 180px;
    }
    .case-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 180px;
      aspect-ratio: 16/10;
    }
    .case-main { grid-row: span 2; min-height: 100%; }
    .case-main img { min-height: 100%; aspect-ratio: auto; height: 100%; }
    .case-meta {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 18px 16px 16px;
      background: linear-gradient(to top, rgba(16, 18, 17, .78), rgba(16, 18, 17, 0));
      color: var(--ivory-text);
    }
    .case-meta h3 {
      color: var(--ivory-text);
      font-size: 16px;
      margin-bottom: 4px;
    }
    .case-meta p { font-size: 12px; color: rgba(244, 240, 232, .75); }
    .case-card:hover { border-color: var(--jade); }
    #stories { background: var(--paper); }
    .story {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 56px;
    }
    .story:last-child { margin-bottom: 0; }
    .story.reverse { grid-template-columns: 1.1fr .9fr; }
    .story.reverse .story-media { order: 2; }
    .story-media {
      border: 1px solid var(--line);
    }
    .story-media img {
      width: 100%;
      aspect-ratio: 16/10;
      object-fit: cover;
    }
    .story h3 { font-size: 22px; margin: 0 0 14px; }
    .story p { color: var(--muted); font-size: 15px; }
    .story-role {
      font-size: 13px;
      color: var(--jade);
      letter-spacing: .08em;
      margin-bottom: 10px;
    }
    #reviews { background: var(--ivory); }
    .review-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .review {
      background: var(--paper);
      border: 1px solid var(--line);
      padding: 28px 26px 24px;
    }
    .review:hover { border-color: var(--jade); }
    .review q {
      font-family: "Noto Serif SC", serif;
      font-size: 17px;
      quotes: "「" "」";
      color: var(--ink);
      display: block;
      margin-bottom: 18px;
      line-height: 1.7;
    }
    .review q::before { content: open-quote; color: var(--jade); margin-right: 2px; }
    .review q::after { content: close-quote; color: var(--jade); }
    .review-foot {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      font-size: 13px;
      color: var(--muted);
      border-top: 1px solid var(--line);
      padding-top: 14px;
    }
    .score { color: var(--jade); letter-spacing: .06em; }
    #news { background: var(--paper); }
    .news-feature {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 32px;
      border: 1px solid var(--line);
      background: var(--ivory);
      margin-bottom: 16px;
    }
    .news-feature img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 240px;
      aspect-ratio: 16/10;
    }
    .news-feature-body { padding: 32px 28px; }
    .news-date { font-size: 12px; color: var(--muted); letter-spacing: .08em; margin-bottom: 10px; }
    .news-feature h3 { font-size: 22px; margin-bottom: 12px; }
    .news-feature p { color: var(--muted); font-size: 15px; }
    .news-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .news-card {
      background: var(--ivory);
      border: 1px solid var(--line);
    }
    .news-card:hover { border-color: var(--jade); }
    .news-card img {
      width: 100%;
      aspect-ratio: 16/10;
      object-fit: cover;
    }
    .news-card-body { padding: 18px 18px 20px; }
    .news-card h3 {
      font-size: 16px;
      margin-bottom: 8px;
      display: inline;
      background-image: linear-gradient(var(--jade), var(--jade));
      background-position: left bottom;
      background-repeat: no-repeat;
      background-size: 0 1px;
      transition: background-size .3s var(--ease);
    }
    .news-card:hover h3 { background-size: 100% 1px; }
    .news-card p { font-size: 13px; color: var(--muted); margin-top: 10px; }
    .news-more {
      margin-top: 28px;
      display: flex;
      justify-content: flex-end;
    }
    .text-link {
      color: var(--ink);
      font-size: 14px;
      border-bottom: 1px solid var(--ink);
      padding-bottom: 2px;
    }
    .text-link:hover { color: var(--jade); border-color: var(--jade); }
    #partners { background: var(--ivory); }
    .partner-wall {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .partner-item {
      border: 1px solid var(--line);
      min-height: 88px;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 16px 10px;
      color: var(--muted);
      font-size: 14px;
      background: var(--paper);
    }
    .partner-item:hover {
      color: var(--jade);
      border-color: var(--jade);
    }
    #faq { background: var(--paper); }
    .faq-list { border-top: 1px solid var(--line-strong); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-q {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      padding: 20px 4px;
      color: var(--ink);
    }
    .faq-q span {
      font-family: "Noto Serif SC", serif;
      font-size: 18px;
      font-weight: 700;
    }
    .faq-icon {
      width: 22px;
      height: 22px;
      position: relative;
      flex-shrink: 0;
    }
    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      background: var(--ink);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
    .faq-icon::before { width: 14px; height: 1px; }
    .faq-icon::after { width: 1px; height: 14px; transition: opacity .2s; }
    .faq-item.is-open .faq-icon::after { opacity: 0; }
    .faq-a {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows .35s var(--ease);
    }
    .faq-item.is-open .faq-a { grid-template-rows: 1fr; }
    .faq-a > div {
      overflow: hidden;
    }
    .faq-a p {
      padding: 0 4px 20px;
      color: var(--muted);
      font-size: 15px;
      background: transparent;
    }
    #guarantee {
      background: var(--ivory);
      padding: 0;
    }
    .guar-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid var(--line-strong);
      border-bottom: 1px solid var(--line-strong);
    }
    .guar-item {
      padding: 36px 28px;
      border-right: 1px solid var(--line);
    }
    .guar-item:last-child { border-right: 0; }
    .guar-item h3 {
      font-size: 16px;
      margin-bottom: 10px;
    }
    .guar-item p { font-size: 13px; color: var(--muted); }
    .guar-no {
      font-family: "Noto Serif SC", serif;
      color: var(--jade);
      font-size: 12px;
      letter-spacing: .16em;
      margin-bottom: 8px;
    }
    #contact {
      background: var(--paper);
      padding: 112px 0;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 56px;
      align-items: start;
    }
    .benefit li {
      padding: 14px 0;
      border-bottom: 1px solid var(--line);
      font-size: 15px;
      padding-left: 18px;
      position: relative;
    }
    .benefit li::before {
      content: "";
      width: 7px;
      height: 1px;
      background: var(--jade);
      position: absolute;
      left: 0;
      top: 1.35em;
    }
    .contact-aside {
      margin-top: 28px;
      font-size: 14px;
      color: var(--muted);
    }
    .contact-aside a { color: var(--ink); }
    .form-card {
      background: var(--ivory);
      border: 1px solid var(--line);
      padding: 32px 28px;
    }
    .form-row { margin-bottom: 16px; }
    .form-row label {
      display: block;
      font-size: 13px;
      margin-bottom: 6px;
      color: var(--ink);
    }
    .form-row input,
    .form-row select,
    .form-row textarea {
      width: 100%;
      height: 44px;
      border: 1px solid var(--line-strong);
      background: var(--paper);
      border-radius: var(--radius-input);
      padding: 0 12px;
      color: var(--body);
      font-size: 15px;
    }
    .form-row textarea { height: 96px; padding: 10px 12px; resize: vertical; }
    .form-row input:focus,
    .form-row select:focus,
    .form-row textarea:focus {
      outline: none;
      border-color: var(--jade);
      box-shadow: inset 0 0 0 1px var(--jade);
    }
    .form-row.is-error input,
    .form-row.is-error select {
      border-color: var(--bronze);
    }
    .form-hint {
      font-size: 12px;
      color: var(--bronze);
      min-height: 18px;
      margin-top: 6px;
    }
    .form-msg {
      font-size: 13px;
      margin-top: 12px;
      color: var(--jade);
    }
    .form-msg.is-error { color: var(--danger); }
    footer {
      background: var(--ink);
      color: rgba(244, 240, 232, .72);
      padding: 64px 0 28px;
      border-top: 1px solid var(--bronze);
      font-size: 14px;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .9fr .9fr 1fr;
      gap: 32px;
      margin-bottom: 48px;
    }
    footer .logo-text strong,
    footer .logo { color: var(--ivory-text); }
    footer .logo-text em { color: var(--bronze); }
    .foot-brand p { margin-top: 16px; font-size: 13px; max-width: 28em; }
    footer h4 {
      color: var(--ivory-text);
      font-size: 14px;
      margin-bottom: 14px;
      font-family: "Noto Sans SC", sans-serif;
      font-weight: 600;
      letter-spacing: .12em;
    }
    .foot-links a,
    .foot-contact a {
      display: block;
      color: rgba(244, 240, 232, .7);
      padding: 4px 0;
    }
    .foot-links a:hover,
    .foot-contact a:hover { color: var(--bronze); }
    .foot-bottom {
      border-top: 1px solid rgba(244, 240, 232, .12);
      padding-top: 18px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 12px;
      color: rgba(244, 240, 232, .5);
    }
    .foot-bottom a { color: rgba(244, 240, 232, .5); }
    .privacy-fold {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s var(--ease);
      color: rgba(244, 240, 232, .62);
      font-size: 13px;
    }
    .privacy-fold.is-open { max-height: 240px; margin-top: 16px; }
    .reveal {
      opacity: 0;
      transform: translateY(12px);
    }
    .reveal.is-in {
      opacity: 1;
      transform: none;
      transition: opacity .6s var(--ease), transform .6s var(--ease);
    }
    @media (max-width: 1280px) {
      .container { width: min(1120px, calc(100% - 40px)); }
      .icon-matrix { grid-template-columns: repeat(6, minmax(0, 80px)); }
    }
    @media (max-width: 1024px) {
      .section { padding: 88px 0; }
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .nav-toggle { display: flex; }
      .intro-grid,
      .cap-layout,
      .philo-grid,
      .contact-grid,
      .news-feature { grid-template-columns: 1fr; gap: 28px; }
      .adv-grid { grid-template-columns: 1fr 1fr; }
      .metrics-row { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(odd) { border-right: 1px solid rgba(196, 176, 145, .28); }
      .metric:nth-child(2),
      .metric:nth-child(4) { border-right: 0; }
      .prod-grid { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; gap: 24px; }
      .steps::before {
        left: 22px;
        right: auto;
        top: 8px;
        bottom: 8px;
        width: 1px;
        height: auto;
      }
      .step { padding-left: 56px; }
      .cases-wall { grid-template-columns: 1fr 1fr; }
      .case-main { grid-row: auto; grid-column: 1 / -1; }
      .story,
      .story.reverse { grid-template-columns: 1fr; }
      .story.reverse .story-media { order: 0; }
      .review-grid { grid-template-columns: 1fr; }
      .partner-wall { grid-template-columns: 1fr 1fr; }
      .guar-row { grid-template-columns: 1fr 1fr; }
      .guar-item:nth-child(2) { border-right: 0; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .vlabel { display: none; }
      #hero { height: 78vh; min-height: 560px; }
    }
    @media (max-width: 768px) {
      body { font-size: 16px; }
      .container { width: calc(100% - 32px); }
      .section { padding: 64px 0; }
      .topbar-right span.hours { display: none; }
      .topbar { font-size: 11px; }
      #hero { height: 70vh; min-height: 520px; }
      #hero h1 { max-width: 12em; }
      .icon-matrix { grid-template-columns: repeat(3, 1fr); max-width: none; }
      .hero-lead { font-size: 15px; }
      .adv-grid,
      .news-list,
      .metrics-row,
      .guar-row,
      .partner-wall,
      .cases-wall,
      .foot-grid { grid-template-columns: 1fr; }
      .metric { border-right: 0 !important; border-bottom: 1px solid rgba(196, 176, 145, .28); }
      .guar-item { border-right: 0; border-bottom: 1px solid var(--line); }
      .spec-list li { grid-template-columns: 1fr; gap: 4px; }
      .form-card { padding: 22px 16px; }
      .btn { width: 100%; }
      .hero-actions .btn { width: auto; min-width: 44px; }
      .hero-actions { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 375px) {
      .container { width: calc(100% - 24px); }
      #hero { min-height: 500px; }
      .logo-text em { display: none; }
      .status-bar { gap: 8px 12px; }
      .section-head h2 { font-size: 1.45rem; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }
      .reveal { opacity: 1; transform: none; }
    }