/* roulang page: index */
:root {
      --color-primary: #7c3aed;
      --color-primary-dark: #5b21b6;
      --color-primary-soft: #ede9fe;
      --color-secondary: #06b6d4;
      --color-accent: #f59e0b;
      --color-rose: #fb7185;
      --color-bg: #f8fafc;
      --color-bg-strong: #eef2ff;
      --color-surface: rgba(255, 255, 255, 0.86);
      --color-surface-solid: #ffffff;
      --color-text: #172033;
      --color-muted: #667085;
      --color-light: #ffffff;
      --color-border: rgba(124, 58, 237, 0.16);
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 18px 46px rgba(79, 70, 229, 0.14);
      --shadow-lg: 0 28px 90px rgba(76, 29, 149, 0.24);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 30px;
      --radius-pill: 999px;
      --container: 1180px;
      --section-y: 88px;
      --ease: all .26s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 4%, rgba(124, 58, 237, .13), transparent 31%),
        radial-gradient(circle at 92% 12%, rgba(6, 182, 212, .13), transparent 30%),
        linear-gradient(180deg, #fbfcff 0%, #f8fafc 48%, #ffffff 100%);
      line-height: 1.76;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    a:hover,
    a:focus {
      color: var(--color-primary);
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      color: #fff;
      background: var(--color-primary);
    }

    .page {
      min-height: 100vh;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 50;
      transition: var(--ease);
      pointer-events: none;
    }

    .site-header.is-scrolled {
      top: 0;
    }

    .nav-shell {
      pointer-events: auto;
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
      border: 1px solid rgba(255, 255, 255, .45);
      background: rgba(255, 255, 255, .18);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-radius: var(--radius-pill);
      box-shadow: 0 16px 44px rgba(17, 24, 39, .14);
      transition: var(--ease);
    }

    .site-header.is-scrolled .nav-shell {
      width: 100%;
      border-radius: 0;
      border-left: 0;
      border-right: 0;
      background: rgba(255, 255, 255, .92);
      box-shadow: 0 14px 34px rgba(15, 23, 42, .10);
    }

    .nav-inner {
      min-height: 68px;
      padding: 0 18px 0 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 900;
      color: #fff;
      letter-spacing: -0.02em;
    }

    .site-header.is-scrolled .brand {
      color: var(--color-text);
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(255,255,255,.28), rgba(255,255,255,.05)),
        linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      box-shadow: 0 12px 26px rgba(124, 58, 237, .28);
      position: relative;
      overflow: hidden;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: rgba(255,255,255,.58);
      position: absolute;
      right: -3px;
      top: -3px;
    }

    .brand-text {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-size: 1.02rem;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      height: 40px;
      padding: 0 16px;
      border-radius: var(--radius-pill);
      color: rgba(255,255,255,.88);
      font-weight: 700;
      font-size: .94rem;
    }

    .site-header.is-scrolled .nav-link {
      color: var(--color-muted);
    }

    .nav-link:hover,
    .nav-link:focus,
    .nav-link.active {
      color: #fff;
      background: rgba(255, 255, 255, .20);
      outline: none;
    }

    .site-header.is-scrolled .nav-link:hover,
    .site-header.is-scrolled .nav-link:focus,
    .site-header.is-scrolled .nav-link.active {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-search {
      width: 200px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      border: 1px solid rgba(255,255,255,.38);
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.16);
      color: #fff;
    }

    .site-header.is-scrolled .nav-search {
      background: #f6f7ff;
      border-color: rgba(124,58,237,.15);
      color: var(--color-text);
    }

    .nav-search input {
      width: 100%;
      border: 0;
      margin: 0;
      padding: 0;
      outline: 0;
      background: transparent;
      box-shadow: none;
      color: inherit;
      font-size: .9rem;
    }

    .nav-search input::placeholder {
      color: rgba(255,255,255,.72);
    }

    .site-header.is-scrolled .nav-search input::placeholder {
      color: #98a2b3;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 0;
      border-radius: 50%;
      color: #fff;
      background: rgba(255,255,255,.16);
      align-items: center;
      justify-content: center;
    }

    .site-header.is-scrolled .menu-toggle {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      width: 18px;
      height: 2px;
      display: block;
      border-radius: 2px;
      background: currentColor;
      position: relative;
      transition: var(--ease);
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-toggle span::before {
      top: -6px;
    }

    .menu-toggle span::after {
      top: 6px;
    }

    .button-main,
    .button-ghost,
    .button-light,
    .button-soft {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: var(--radius-pill);
      font-weight: 800;
      line-height: 1;
      transition: var(--ease);
      white-space: nowrap;
      box-shadow: none;
    }

    .button-main {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      box-shadow: 0 14px 30px rgba(124, 58, 237, .28);
    }

    .button-main:hover,
    .button-main:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(124, 58, 237, .34);
      outline: none;
    }

    .button-ghost {
      color: #fff;
      border-color: rgba(255,255,255,.46);
      background: rgba(255,255,255,.13);
      backdrop-filter: blur(16px);
    }

    .button-ghost:hover,
    .button-ghost:focus {
      color: #fff;
      background: rgba(255,255,255,.22);
      transform: translateY(-2px);
      outline: none;
    }

    .button-light {
      color: var(--color-primary-dark);
      background: #fff;
      box-shadow: 0 14px 34px rgba(255,255,255,.22);
    }

    .button-light:hover,
    .button-light:focus {
      color: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(255,255,255,.28);
      outline: none;
    }

    .button-soft {
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      border-color: rgba(124, 58, 237, .14);
    }

    .button-soft:hover,
    .button-soft:focus {
      color: #fff;
      background: var(--color-primary);
      transform: translateY(-2px);
      outline: none;
    }

    .hero {
      position: relative;
      min-height: 720px;
      display: flex;
      align-items: flex-end;
      overflow: hidden;
      color: #fff;
      isolation: isolate;
      padding: 148px 0 78px;
      background: #111827;
    }

    .hero-bg,
    .hero-video {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
    }

    .hero-video {
      object-fit: cover;
      opacity: .28;
      filter: saturate(1.15) contrast(1.06);
      transform: scale(1.02);
      z-index: -4;
    }

    .hero-bg {
      z-index: -5;
      background:
        radial-gradient(circle at 18% 20%, rgba(251, 113, 133, .55), transparent 24%),
        radial-gradient(circle at 80% 18%, rgba(6, 182, 212, .48), transparent 28%),
        linear-gradient(135deg, #171230 0%, #28135a 48%, #07233e 100%);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      background:
        linear-gradient(90deg, rgba(7, 10, 25, .86) 0%, rgba(15, 23, 42, .58) 45%, rgba(15, 23, 42, .28) 100%),
        linear-gradient(180deg, rgba(0,0,0,.24) 0%, rgba(0,0,0,.48) 100%);
    }

    .hero::after {
      content: "";
      position: absolute;
      left: -10%;
      right: -10%;
      bottom: -1px;
      height: 150px;
      z-index: -1;
      background: linear-gradient(180deg, transparent, var(--color-bg));
    }

    .hero-content {
      width: min(1060px, 100%);
      position: relative;
      z-index: 2;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border: 1px solid rgba(255,255,255,.28);
      border-radius: var(--radius-pill);
      color: rgba(255,255,255,.92);
      background: rgba(255,255,255,.12);
      backdrop-filter: blur(18px);
      font-size: .88rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .eyebrow.dark {
      color: var(--color-primary-dark);
      border-color: rgba(124,58,237,.18);
      background: rgba(124,58,237,.08);
    }

    h1,
    h2,
    h3 {
      margin: 0;
      letter-spacing: -0.04em;
      line-height: 1.18;
      font-weight: 900;
    }

    h1 {
      max-width: 850px;
      font-size: clamp(2.6rem, 7vw, 6.3rem);
      text-wrap: balance;
    }

    .hero-lead {
      max-width: 760px;
      margin: 22px 0 0;
      color: rgba(255,255,255,.86);
      font-size: clamp(1.05rem, 2vw, 1.28rem);
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 32px;
    }

    .play-button {
      width: 74px;
      height: 74px;
      border: 1px solid rgba(255,255,255,.45);
      border-radius: 50%;
      color: #fff;
      background: rgba(255,255,255,.15);
      backdrop-filter: blur(16px);
      box-shadow: 0 20px 50px rgba(0,0,0,.22);
      display: inline-grid;
      place-items: center;
      transition: var(--ease);
      position: relative;
    }

    .play-button::before {
      content: "";
      width: 0;
      height: 0;
      margin-left: 5px;
      border-top: 12px solid transparent;
      border-bottom: 12px solid transparent;
      border-left: 18px solid currentColor;
    }

    .play-button:hover,
    .play-button:focus {
      transform: scale(1.06);
      background: rgba(255,255,255,.22);
      outline: none;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 34px;
    }

    .meta-pill {
      min-height: 58px;
      padding: 10px 18px;
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      border: 1px solid rgba(255,255,255,.20);
      border-radius: 18px;
      background: rgba(255,255,255,.12);
      backdrop-filter: blur(18px);
      color: rgba(255,255,255,.82);
      min-width: 148px;
    }

    .meta-pill strong {
      color: #fff;
      font-size: 1.12rem;
      line-height: 1.2;
    }

    .floating-strip {
      width: min(880px, calc(100% - 40px));
      position: absolute;
      right: 6%;
      bottom: 62px;
      z-index: 1;
      display: flex;
      justify-content: flex-end;
      pointer-events: none;
    }

    .hero-panel {
      width: 360px;
      padding: 18px;
      border: 1px solid rgba(255,255,255,.22);
      border-radius: 26px;
      background: rgba(255,255,255,.13);
      backdrop-filter: blur(24px);
      box-shadow: 0 30px 80px rgba(0,0,0,.18);
    }

    .hero-panel-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 14px;
    }

    .hero-panel-title {
      font-weight: 900;
      color: #fff;
    }

    .live-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: rgba(255,255,255,.84);
      font-size: .84rem;
      font-weight: 800;
    }

    .live-dot::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #22c55e;
      box-shadow: 0 0 0 6px rgba(34, 197, 94, .18);
    }

    .progress-row {
      margin: 12px 0;
    }

    .progress-label {
      display: flex;
      justify-content: space-between;
      color: rgba(255,255,255,.82);
      font-size: .86rem;
      margin-bottom: 7px;
    }

    .progress-track {
      height: 8px;
      overflow: hidden;
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.16);
    }

    .progress-track span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #fb7185, #fbbf24, #22d3ee);
    }

    main {
      position: relative;
      z-index: 1;
    }

    .section {
      padding: var(--section-y) 0;
      position: relative;
    }

    .section.compact {
      padding: 62px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 32px;
      margin-bottom: 34px;
    }

    .section-title {
      max-width: 670px;
    }

    .section-title h2 {
      font-size: clamp(2rem, 4vw, 3.2rem);
      color: var(--color-text);
      margin-bottom: 14px;
    }

    .section-title p {
      margin: 0;
      max-width: 700px;
      color: var(--color-muted);
      font-size: 1.05rem;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 5px 10px;
      border-radius: var(--radius-pill);
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      font-size: .82rem;
      font-weight: 900;
      line-height: 1;
    }

    .badge.orange {
      color: #92400e;
      background: #fef3c7;
    }

    .badge.cyan {
      color: #155e75;
      background: #cffafe;
    }

    .badge.rose {
      color: #9f1239;
      background: #ffe4e6;
    }

    .card {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      background: var(--color-surface-solid);
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
      overflow: hidden;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(124,58,237,.28);
    }

    .updates-layout {
      display: grid;
      grid-template-columns: 1.06fr .94fr;
      gap: 26px;
      align-items: stretch;
    }

    .feature-update {
      min-height: 420px;
      padding: 34px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      color: #fff;
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(23, 16, 55, .90), rgba(12, 61, 86, .76)),
        radial-gradient(circle at 22% 18%, rgba(251, 113, 133, .54), transparent 34%),
        linear-gradient(135deg, #4c1d95, #0e7490);
      box-shadow: var(--shadow-lg);
    }

    .feature-update::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 24px;
      pointer-events: none;
    }

    .feature-update h2 {
      max-width: 640px;
      font-size: clamp(2rem, 4vw, 3.7rem);
      color: #fff;
      position: relative;
      z-index: 1;
      margin-top: 14px;
    }

    .feature-update p {
      max-width: 610px;
      margin: 16px 0 0;
      color: rgba(255,255,255,.84);
      position: relative;
      z-index: 1;
    }

    .update-list {
      display: grid;
      gap: 14px;
    }

    .update-item {
      padding: 20px;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 16px;
      align-items: start;
    }

    .date-chip {
      min-width: 72px;
      padding: 10px 12px;
      text-align: center;
      border-radius: 16px;
      background: linear-gradient(180deg, #f5f3ff, #ecfeff);
      color: var(--color-primary-dark);
      font-weight: 900;
      line-height: 1.2;
    }

    .date-chip span {
      display: block;
      font-size: .76rem;
      color: var(--color-muted);
      font-weight: 800;
      margin-top: 3px;
    }

    .update-item h3 {
      font-size: 1.08rem;
      margin-bottom: 6px;
    }

    .update-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .answer-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 26px;
      align-items: start;
    }

    .answer-aside {
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at top left, rgba(124,58,237,.22), transparent 38%),
        linear-gradient(180deg, #fff, #f5f7ff);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 110px;
    }

    .answer-aside h2 {
      font-size: clamp(1.8rem, 3vw, 2.6rem);
      margin: 12px 0 14px;
    }

    .answer-aside p {
      margin: 0 0 22px;
      color: var(--color-muted);
    }

    .qa-list {
      display: grid;
      gap: 14px;
    }

    .qa-item {
      padding: 22px;
    }

    .qa-item h3 {
      font-size: 1.08rem;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }

    .qa-icon {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    }

    .qa-item p {
      margin: 0;
      color: var(--color-muted);
    }

    .topic-band {
      background:
        linear-gradient(180deg, rgba(238,242,255,.62), rgba(255,255,255,.88)),
        radial-gradient(circle at 80% 18%, rgba(6,182,212,.13), transparent 30%);
    }

    .topic-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 26px;
      align-items: start;
    }

    .topic-menu {
      display: grid;
      gap: 12px;
    }

    .topic-link {
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      border: 1px solid var(--color-border);
      border-radius: 18px;
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 24px rgba(15,23,42,.05);
      font-weight: 900;
    }

    .topic-link small {
      display: block;
      margin-top: 4px;
      color: var(--color-muted);
      font-weight: 600;
      line-height: 1.5;
    }

    .topic-link:hover {
      color: var(--color-primary-dark);
      transform: translateX(5px);
      border-color: rgba(124,58,237,.28);
    }

    .character-row {
      display: flex;
      gap: 16px;
      overflow-x: auto;
      padding: 4px 4px 18px;
      scroll-snap-type: x mandatory;
    }

    .character-card {
      min-width: 260px;
      padding: 18px;
      scroll-snap-align: start;
      border-radius: 24px;
      color: #fff;
      min-height: 290px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(180deg, rgba(15,23,42,.10), rgba(15,23,42,.70)),
        radial-gradient(circle at 30% 18%, rgba(255,255,255,.32), transparent 24%),
        linear-gradient(135deg, #7c3aed, #06b6d4);
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

    .character-card:nth-child(2) {
      background:
        linear-gradient(180deg, rgba(15,23,42,.08), rgba(15,23,42,.72)),
        radial-gradient(circle at 28% 22%, rgba(255,255,255,.28), transparent 26%),
        linear-gradient(135deg, #fb7185, #7c3aed);
    }

    .character-card:nth-child(3) {
      background:
        linear-gradient(180deg, rgba(15,23,42,.08), rgba(15,23,42,.72)),
        radial-gradient(circle at 28% 22%, rgba(255,255,255,.28), transparent 26%),
        linear-gradient(135deg, #0891b2, #0f766e);
    }

    .character-card:nth-child(4) {
      background:
        linear-gradient(180deg, rgba(15,23,42,.08), rgba(15,23,42,.72)),
        radial-gradient(circle at 28% 22%, rgba(255,255,255,.28), transparent 26%),
        linear-gradient(135deg, #f59e0b, #be185d);
    }

    .character-card::after {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -66px;
      top: -56px;
      border-radius: 50%;
      border: 34px solid rgba(255,255,255,.11);
    }

    .avatar-orb {
      width: 68px;
      height: 68px;
      display: grid;
      place-items: center;
      border-radius: 24px;
      background: rgba(255,255,255,.20);
      border: 1px solid rgba(255,255,255,.25);
      backdrop-filter: blur(14px);
      font-size: 1.8rem;
      position: relative;
      z-index: 1;
    }

    .character-card h3 {
      color: #fff;
      font-size: 1.45rem;
      margin-bottom: 8px;
      position: relative;
      z-index: 1;
    }

    .character-card p {
      margin: 0;
      color: rgba(255,255,255,.84);
      position: relative;
      z-index: 1;
      font-size: .96rem;
    }

    .info-section {
      background: #fff;
    }

    .info-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 28px;
      align-items: start;
    }

    .news-panel {
      padding: 8px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, #fff, #f8fafc);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .news-link {
      display: grid;
      grid-template-columns: 118px minmax(0, 1fr) auto;
      align-items: center;
      gap: 18px;
      padding: 18px;
      border-radius: 22px;
      border-bottom: 1px solid rgba(124,58,237,.10);
    }

    .news-link:last-child {
      border-bottom: 0;
    }

    .news-link:hover {
      background: #f7f5ff;
      color: var(--color-text);
      transform: translateX(3px);
    }

    .news-type {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: var(--radius-pill);
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      font-size: .84rem;
      font-weight: 900;
      white-space: nowrap;
    }

    .news-link h3 {
      font-size: 1.05rem;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .news-link p {
      margin: 0;
      color: var(--color-muted);
      font-size: .92rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .arrow {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--color-primary);
      background: #fff;
      border: 1px solid rgba(124,58,237,.14);
      font-weight: 900;
    }

    .recommend {
      padding: 26px;
      border-radius: var(--radius-lg);
      color: #fff;
      background:
        radial-gradient(circle at 20% 10%, rgba(255,255,255,.22), transparent 28%),
        linear-gradient(145deg, #4c1d95, #0f172a);
      box-shadow: var(--shadow-lg);
      position: sticky;
      top: 110px;
      overflow: hidden;
    }

    .recommend::after {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -90px;
      bottom: -100px;
      border-radius: 50%;
      background: rgba(6,182,212,.22);
    }

    .recommend h3 {
      color: #fff;
      font-size: 1.55rem;
      margin: 14px 0 12px;
      position: relative;
      z-index: 1;
    }

    .recommend p {
      margin: 0 0 18px;
      color: rgba(255,255,255,.80);
      position: relative;
      z-index: 1;
    }

    .mini-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
      position: relative;
      z-index: 1;
    }

    .mini-list li {
      padding: 10px 12px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 14px;
      background: rgba(255,255,255,.10);
      color: rgba(255,255,255,.86);
      font-size: .92rem;
    }

    .security {
      background:
        linear-gradient(135deg, #0f172a 0%, #24124d 48%, #063342 100%);
      color: #fff;
      overflow: hidden;
    }

    .security .section-title h2 {
      color: #fff;
    }

    .security .section-title p {
      color: rgba(255,255,255,.72);
    }

    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .security-card {
      padding: 22px;
      min-height: 190px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.09);
      backdrop-filter: blur(18px);
      transition: var(--ease);
    }

    .security-card:hover {
      transform: translateY(-5px);
      background: rgba(255,255,255,.13);
    }

    .security-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 17px;
      background: rgba(255,255,255,.16);
      font-size: 1.25rem;
    }

    .security-card h3 {
      color: #fff;
      font-size: 1.08rem;
      margin-bottom: 9px;
    }

    .security-card p {
      margin: 0;
      color: rgba(255,255,255,.72);
      font-size: .94rem;
    }

    .proof-strip {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .proof-item {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      color: rgba(255,255,255,.78);
      text-align: center;
      font-weight: 800;
    }

    .app-section {
      background:
        radial-gradient(circle at 18% 18%, rgba(124,58,237,.13), transparent 30%),
        radial-gradient(circle at 86% 14%, rgba(6,182,212,.12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    }

    .app-layout {
      display: grid;
      grid-template-columns: .98fr 1.02fr;
      gap: 32px;
      align-items: stretch;
    }

    .app-copy {
      padding: 34px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .app-copy h2 {
      font-size: clamp(2rem, 4vw, 3.25rem);
      margin: 12px 0 16px;
    }

    .app-copy p {
      color: var(--color-muted);
      margin: 0 0 22px;
    }

    .device-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin: 24px 0;
    }

    .device-card {
      padding: 16px;
      border-radius: 18px;
      background: #f8f7ff;
      border: 1px solid rgba(124,58,237,.12);
    }

    .device-card strong {
      display: block;
      color: var(--color-text);
      margin-bottom: 4px;
    }

    .device-card span {
      color: var(--color-muted);
      font-size: .9rem;
    }

    .notice-form {
      display: flex;
      gap: 10px;
      padding: 8px;
      border-radius: var(--radius-pill);
      background: #f2f4ff;
      border: 1px solid rgba(124,58,237,.13);
    }

    .notice-form input {
      flex: 1;
      min-width: 0;
      height: 46px;
      border: 0;
      outline: 0;
      margin: 0;
      padding: 0 14px;
      background: transparent;
      box-shadow: none;
      color: var(--color-text);
    }

    .price-wrap {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .price-card {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
    }

    .price-card.featured {
      color: #fff;
      background:
        radial-gradient(circle at top right, rgba(255,255,255,.25), transparent 32%),
        linear-gradient(145deg, var(--color-primary), #0e7490);
      border-color: rgba(255,255,255,.22);
      box-shadow: var(--shadow-lg);
    }

    .price-card h3 {
      font-size: 1.3rem;
      margin: 12px 0 8px;
    }

    .price {
      margin: 12px 0 16px;
      font-size: 2.2rem;
      font-weight: 900;
      letter-spacing: -0.04em;
    }

    .price small {
      font-size: .9rem;
      font-weight: 700;
      color: var(--color-muted);
    }

    .price-card.featured .price small,
    .price-card.featured p,
    .price-card.featured .plan-list li {
      color: rgba(255,255,255,.78);
    }

    .plan-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 22px;
      padding: 0;
      list-style: none;
    }

    .plan-list li {
      color: var(--color-muted);
      display: flex;
      gap: 8px;
      align-items: flex-start;
      font-size: .95rem;
    }

    .plan-list li::before {
      content: "✓";
      color: #22c55e;
      font-weight: 900;
    }

    .price-card.featured .plan-list li::before {
      color: #a7f3d0;
    }

    .media-scroll {
      display: flex;
      gap: 16px;
      overflow-x: auto;
      padding: 4px 4px 16px;
      scroll-snap-type: x mandatory;
    }

    .media-card {
      min-width: 310px;
      padding: 22px;
      scroll-snap-align: start;
      border-radius: 24px;
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-sm);
      transition: var(--ease);
    }

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

    .media-card h3 {
      font-size: 1.16rem;
      margin: 13px 0 8px;
    }

    .media-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .site-footer {
      padding: 56px 0 34px;
      color: rgba(255,255,255,.74);
      background:
        radial-gradient(circle at 18% 10%, rgba(124,58,237,.38), transparent 30%),
        linear-gradient(135deg, #0b1020, #171230 52%, #062b36);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
    }

    .footer-brand .brand-mark {
      width: 42px;
      height: 42px;
    }

    .footer-text {
      max-width: 650px;
      margin: 0;
      color: rgba(255,255,255,.70);
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
    }

    .footer-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: var(--radius-pill);
      color: rgba(255,255,255,.78);
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.10);
      font-weight: 800;
      font-size: .92rem;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: #fff;
      background: rgba(255,255,255,.14);
      outline: none;
    }

    .footer-bottom {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.12);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: .9rem;
    }

    .focus-ring:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(6, 182, 212, .38);
      outline-offset: 3px;
    }

    @media (max-width: 1100px) {
      :root {
        --section-y: 72px;
      }

      .floating-strip {
        display: none;
      }

      .nav-search {
        display: none;
      }

      .security-grid,
      .proof-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .info-layout,
      .app-layout,
      .updates-layout,
      .answer-grid,
      .topic-layout {
        grid-template-columns: 1fr;
      }

      .answer-aside,
      .recommend {
        position: relative;
        top: auto;
      }
    }

    @media (max-width: 768px) {
      .container,
      .nav-shell {
        width: min(100% - 26px, var(--container));
      }

      .site-header {
        top: 12px;
      }

      .nav-shell {
        border-radius: 24px;
      }

      .nav-inner {
        min-height: 62px;
        padding: 0 12px 0 14px;
      }

      .brand-text {
        max-width: 190px;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-menu {
        position: absolute;
        left: 13px;
        right: 13px;
        top: 76px;
        padding: 12px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        border-radius: 22px;
        background: rgba(255,255,255,.94);
        border: 1px solid rgba(124,58,237,.14);
        box-shadow: var(--shadow-md);
        backdrop-filter: blur(20px);
      }

      .nav-menu.is-open {
        display: flex;
      }

      .nav-link,
      .site-header.is-scrolled .nav-link {
        color: var(--color-text);
        justify-content: center;
      }

      .nav-actions .button-main {
        display: none;
      }

      .hero {
        min-height: 660px;
        padding: 130px 0 56px;
      }

      .hero-actions {
        align-items: stretch;
      }

      .hero-actions .button-main,
      .hero-actions .button-ghost,
      .hero-actions .button-light {
        flex: 1 1 190px;
      }

      .play-button {
        width: 62px;
        height: 62px;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
      }

      .news-link {
        grid-template-columns: 1fr auto;
      }

      .news-type {
        grid-column: 1 / -1;
        width: fit-content;
      }

      .price-wrap,
      .device-grid {
        grid-template-columns: 1fr;
      }

      .notice-form {
        border-radius: 22px;
        flex-direction: column;
      }

      .notice-form .button-main {
        width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .container,
      .nav-shell {
        width: calc(100% - 22px);
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 13px;
      }

      .brand-text {
        max-width: 160px;
        font-size: .95rem;
      }

      .hero {
        min-height: 700px;
      }

      .hero-meta {
        display: grid;
        grid-template-columns: 1fr;
      }

      .meta-pill {
        width: 100%;
      }

      .feature-update,
      .app-copy,
      .answer-aside {
        padding: 24px;
      }

      .security-grid,
      .proof-strip {
        grid-template-columns: 1fr;
      }

      .character-card,
      .media-card {
        min-width: 84vw;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }