:root {
  --aqua-50: #ecfdf5;
  --aqua-100: #d5f5f1;
  --aqua-300: #7ddbd2;
  --teal-600: #087f76;
  --teal-700: #06645e;
  --teal-900: #073f3d;
  --jungle: #059669;
  --sand: #f8fafc;
  --sand-warm: #fff8ee;
  --peach: #f43f5e;
  --peach-soft: #ffe4e8;
  --mango: #f59e0b;
  --ink: #163c3a;
  --muted: #52716e;
  --line: rgba(8, 127, 118, .18);
  --shadow: 0 18px 55px rgba(7, 63, 61, .12);
  --shell: min(1160px, calc(100% - 48px));
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--sand); font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif; line-height: 1.7; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 20; left: 16px; top: -80px; padding: 10px 14px; background: var(--teal-900); color: #fff; text-decoration: none; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; z-index: 10; top: 0; background: rgba(248, 250, 252, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--teal-900); }
.brand img { width: 38px; height: 38px; object-fit: cover; object-position: 50% 14%; border-radius: 50%; border: 2px solid var(--peach-soft); }
.brand-copy { display: grid; line-height: 1.15; letter-spacing: .04em; }
.brand-copy strong { font-size: 16px; font-weight: 900; }
.brand-copy span { color: var(--muted); font-size: 11px; margin-top: 4px; }
.primary-nav { display: flex; align-items: center; gap: 4px; }
.primary-nav a { padding: 10px 11px; color: var(--teal-700); font-size: 13px; font-weight: 700; text-decoration: none; border-bottom: 2px solid transparent; white-space: nowrap; }
.primary-nav a:hover, .primary-nav a:focus-visible, .primary-nav a.is-active { color: var(--peach); border-color: var(--peach); }
.primary-nav .nav-cta { margin-left: 8px; color: #fff; background: var(--teal-600); border: 0; padding-inline: 16px; }
.primary-nav .nav-cta:hover, .primary-nav .nav-cta:focus-visible { background: var(--peach); color: #fff; }
.menu-toggle { display: none; border: 0; background: none; padding: 9px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--teal-700); margin: 5px 0; }

.hero { position: relative; min-height: min(760px, calc(100vh - 72px)); display: flex; align-items: center; overflow: hidden; isolation: isolate; background: #79d3d5 url("img/tu3.webp") center right / cover no-repeat; }
.hero-shade { position: absolute; inset: 0; z-index: -1; background: rgba(1, 47, 51, .27); }
.hero-inner { position: relative; min-height: min(760px, calc(100vh - 72px)); display: flex; align-items: center; padding-block: 84px; }
.hero-copy { max-width: 660px; color: #fff; text-shadow: 0 2px 18px rgba(7, 63, 61, .34); }
.eyebrow, .section-kicker { color: var(--mango); letter-spacing: .16em; font-size: 12px; font-weight: 900; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 18px; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mango); box-shadow: 0 0 0 5px rgba(245, 158, 11, .23); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 22px; font-size: clamp(42px, 6vw, 76px); line-height: 1.08; letter-spacing: .01em; font-weight: 950; }
h1 em { color: #fff1c7; font-style: normal; }
.heart { color: #ff9db0; padding-left: 6px; }
.hero-lead { max-width: 540px; margin-bottom: 28px; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 11px 18px; border: 1px solid transparent; border-radius: var(--radius); font-size: 14px; font-weight: 900; text-decoration: none; transition: transform .2s, background .2s, border-color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--peach); box-shadow: 0 10px 22px rgba(244, 63, 94, .25); }
.button-primary:hover, .button-primary:focus-visible { background: #c82f4c; }
.button-quiet { color: #fff; border-color: rgba(255,255,255,.6); background: rgba(7,63,61,.22); }
.button-quiet:hover, .button-quiet:focus-visible { background: rgba(7,63,61,.52); }
.hero-facts { display: flex; gap: 28px; margin: 46px 0 0; }
.hero-facts div { padding-left: 12px; border-left: 2px solid rgba(255,255,255,.55); }
.hero-facts dt { color: #c6fbf3; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.hero-facts dd { margin: 1px 0 0; font-size: 15px; font-weight: 800; }
.hero-note { position: absolute; right: 0; bottom: 86px; display: grid; gap: 4px; max-width: 210px; padding: 16px 0 16px 16px; border-left: 2px solid var(--mango); color: #fff; }
.hero-note span { color: #d8fff7; font-size: 10px; letter-spacing: .2em; }
.hero-note strong { font-size: 17px; }
.hero-note small { color: #effffc; font-size: 12px; }

.section-rail { background: var(--teal-900); color: #c6fbf3; }
.rail-inner { min-height: 38px; display: flex; align-items: center; gap: 15px; font-size: 10px; letter-spacing: .18em; font-weight: 800; }
.rail-line { flex: 1; height: 1px; background: rgba(198,251,243,.3); }
.section { padding: 112px 0; }
.intro-section { background: var(--sand); }
.split-layout { display: grid; grid-template-columns: minmax(250px, .78fr) minmax(0, 1.22fr); gap: clamp(42px, 8vw, 110px); }
.section-heading h2, .final-cta h2, .route-visual h2 { margin: 12px 0 20px; color: var(--teal-900); font-size: clamp(32px, 4vw, 54px); line-height: 1.18; letter-spacing: .01em; }
.section-heading h2 span { color: var(--teal-600); }
.heading-note { margin: 0; color: var(--muted); font-size: 13px; }
.prose { color: #335d59; font-size: 16px; }
.prose p { margin-bottom: 20px; }
.inline-fact { display: flex; gap: 14px; align-items: baseline; margin-top: 30px; padding-top: 19px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.inline-fact strong { color: var(--peach); font-size: 18px; white-space: nowrap; }
.wide-heading { margin-bottom: 42px; }
.content-section { background: var(--aqua-50); }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.content-item { display: grid; grid-template-columns: 42px 1fr; gap: 16px; min-height: 190px; padding: 26px 24px; background: var(--aqua-50); }
.content-item:hover { background: #fff; }
.content-item .item-no { color: var(--mango); font: 900 13px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; }
.content-item h3, .feature h3 { margin-bottom: 9px; color: var(--teal-900); font-size: 18px; }
.content-item p, .feature p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.content-item.accent-item { background: var(--peach-soft); }
.content-item.accent-item h3 { color: #b72d49; }

.visual-band { padding: 0 0 112px; background: var(--aqua-50); }
.visual-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
figure { margin: 0; }
.visual-grid figure { position: relative; overflow: hidden; background: var(--teal-900); }
.visual-grid img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 9; transition: transform .5s; }
.visual-grid figure:hover img { transform: scale(1.025); }
.visual-grid figcaption, .gallery-slide figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 35px 18px 14px; color: #fff; font-size: 12px; background: linear-gradient(transparent, rgba(7, 63, 61, .85)); }
.guide-section { background: var(--sand-warm); }
.guide-layout { align-items: start; }
.guide-stamp { display: inline-block; margin-top: 46px; padding: 15px 19px 13px; border: 1px solid var(--peach); color: var(--peach); font: 900 19px/.98 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .08em; transform: rotate(-3deg); }
.guide-stamp span { display: block; margin-top: 9px; color: var(--teal-700); font: 700 11px/1.2 system-ui, sans-serif; letter-spacing: .1em; }
.guide-list { border-top: 1px solid var(--line); }
.guide-list article { display: grid; grid-template-columns: 72px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.guide-list article > span { display: inline-flex; align-items: center; justify-content: center; align-self: start; min-height: 25px; border-radius: 50px; color: var(--peach); background: var(--peach-soft); font-size: 11px; font-weight: 900; }
.guide-list h3 { margin: 0 0 5px; font-size: 18px; color: var(--teal-900); }
.guide-list p { margin: 0; color: var(--muted); font-size: 14px; }
.route-visual { padding: 82px 0; color: #fff; background: var(--teal-900); }
.route-visual-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: center; }
.route-visual .section-kicker { color: var(--mango); }
.route-visual h2 { color: #fff; }
.route-visual p { color: #c6fbf3; }
.route-visual img { width: 100%; aspect-ratio: 970 / 550; object-fit: cover; border: 7px solid rgba(255,255,255,.14); }
.features-section { background: var(--sand); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature { min-height: 215px; padding: 28px 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-mark { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; margin-bottom: 18px; color: var(--peach); background: var(--peach-soft); font-size: 19px; }
.feature:nth-child(2n) .feature-mark { color: var(--jungle); background: #d8faed; }
.gallery-band { padding: 84px 0 112px; background: var(--aqua-50); }
.gallery-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.gallery-head h2 { margin: 8px 0 0; color: var(--teal-900); font-size: 34px; }
.gallery-controls { display: flex; align-items: center; gap: 13px; color: var(--muted); font: 700 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.gallery-controls button { width: 38px; height: 38px; border: 1px solid var(--teal-600); color: var(--teal-700); background: transparent; cursor: pointer; font-size: 19px; }
.gallery-controls button:hover, .gallery-controls button:focus-visible { color: #fff; background: var(--teal-600); }
.gallery { position: relative; min-height: 0; }
.gallery-slide { display: none; position: relative; overflow: hidden; }
.gallery-slide.is-active { display: block; animation: fadeIn .3s ease; }
.gallery-slide img { width: 100%; aspect-ratio: 16 / 8.3; object-fit: cover; }
@keyframes fadeIn { from { opacity: .4; } to { opacity: 1; } }
.updates-section { background: var(--sand-warm); }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 45px 1fr; gap: 15px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.timeline li > span { color: var(--mango); font: 900 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.timeline h3 { margin: 0 0 4px; color: var(--teal-900); font-size: 17px; }
.timeline p { margin: 0; color: var(--muted); font-size: 13px; }
.faq-section { background: var(--aqua-50); }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(42px, 8vw, 110px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 0; color: var(--teal-900); cursor: pointer; list-style: none; font-size: 16px; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--peach); font-size: 22px; font-weight: 400; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -5px 40px 20px 0; color: var(--muted); font-size: 14px; }
.final-cta { padding: 76px 0; background: var(--peach-soft); }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.final-cta h2 { margin-bottom: 8px; color: #9d2440; font-size: clamp(28px, 4vw, 46px); }
.final-cta p { margin: 0; color: #7e4050; }
.site-footer { color: #c6fbf3; background: var(--teal-900); }
.friend-links { padding: 52px 0 45px; color: var(--teal-900); background: var(--aqua-50); text-align: center; }
.friend-links h2 { margin: 0; color: var(--teal-900); font-size: clamp(25px, 3vw, 36px); line-height: 1.2; }
.friend-links-line { display: block; width: 46px; height: 3px; margin: 14px auto 25px; border-radius: 999px; background: var(--peach); }
.friend-links-list { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 14px; }
.friend-links-list a { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; color: var(--teal-900); border: 1px solid rgba(8,127,118,.12); border-radius: 999px; background: #fff; box-shadow: 0 8px 22px rgba(7,63,61,.08); font-size: 14px; font-weight: 800; text-decoration: none; transition: transform .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease; }
.friend-links-list a:hover, .friend-links-list a:focus-visible { color: #fff; background: var(--teal-600); box-shadow: 0 12px 26px rgba(8,127,118,.22); transform: translateY(-3px); }
.footer-inner { display: flex; justify-content: space-between; gap: 42px; padding: 55px 0 38px; }
.footer-brand { display: inline-block; color: #fff; font-size: 20px; font-weight: 900; text-decoration: none; }
.footer-brand span { color: #93ded7; font-size: 12px; font-weight: 600; }
.footer-inner p { max-width: 420px; margin: 12px 0 0; color: #91c4bf; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; align-content: start; justify-content: end; gap: 11px 22px; max-width: 360px; }
.footer-links a { color: #d4fffa; font-size: 13px; text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: #ff9db0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0 22px; border-top: 1px solid rgba(198,251,243,.16); color: #79aaa5; font-size: 11px; }

@media (max-width: 980px) {
  .primary-nav { gap: 0; }
  .primary-nav a { padding-inline: 7px; font-size: 12px; }
  .primary-nav .nav-cta { margin-left: 4px; padding-inline: 11px; }
  .hero { min-height: 690px; background-position: 62% center; }
  .hero-inner { min-height: 690px; }
  .hero-copy { max-width: 580px; }
  .hero-note { right: 12px; bottom: 44px; }
  .content-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 32px, 560px); }
  .site-header { position: sticky; }
  .header-inner { min-height: 64px; }
  .menu-toggle { display: block; }
  .primary-nav { position: absolute; top: 64px; right: 0; left: 0; display: none; padding: 10px 16px 18px; border-bottom: 1px solid var(--line); background: rgba(248,250,252,.98); box-shadow: 0 18px 30px rgba(7,63,61,.08); }
  .primary-nav.is-open { display: grid; grid-template-columns: repeat(2, 1fr); }
  .primary-nav a { padding: 12px 8px; }
  .primary-nav .nav-cta { grid-column: 1 / -1; margin: 7px 0 0; text-align: center; }
  .hero { min-height: 650px; background-position: 64% center; }
  .hero-shade { background: rgba(1, 47, 51, .43); }
  .hero-inner { min-height: 650px; align-items: end; padding-block: 50px; }
  h1 { font-size: clamp(39px, 12vw, 60px); }
  .hero-lead { font-size: 15px; line-height: 1.75; }
  .hero-facts { gap: 14px; margin-top: 30px; }
  .hero-facts dd { font-size: 13px; }
  .hero-note { display: none; }
  .section { padding: 76px 0; }
  .split-layout, .route-visual-inner, .faq-layout { grid-template-columns: 1fr; gap: 38px; }
  .section-heading h2, .final-cta h2, .route-visual h2 { font-size: 36px; }
  .content-grid, .feature-grid, .visual-grid { grid-template-columns: 1fr; }
  .content-item { min-height: auto; padding: 23px 18px; }
  .visual-band { padding-bottom: 76px; }
  .visual-grid { gap: 12px; }
  .guide-stamp { margin-top: 25px; }
  .route-visual { padding: 70px 0; }
  .gallery-band { padding: 70px 0 76px; }
  .gallery-head { align-items: start; flex-direction: column; }
  .gallery-controls { align-self: stretch; justify-content: space-between; }
  .gallery-slide img { aspect-ratio: 1.35 / 1; }
  .final-cta-inner, .footer-inner { flex-direction: column; align-items: start; }
  .footer-links { justify-content: start; }
  .footer-bottom { flex-direction: column; gap: 5px; }
  .friend-links { padding: 42px 0 36px; }
  .friend-links-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .friend-links-list a { min-height: 43px; padding: 9px 8px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* 六大模块重构：沉浸式介绍、图文交替内容、筛选攻略与全宽信息卡片 */
.intro-redesign { color: #e7fffb; background: #062f31; overflow: hidden; }
.intro-stack { display: grid; justify-items: center; gap: 28px; text-align: center; }
.intro-heading { max-width: 850px; }
.intro-redesign .section-heading h2 { color: #f5fffd; margin-bottom: 0; }
.intro-redesign .section-heading h2 span { color: #9ae9df; }
.intro-visual { position: relative; width: min(940px, 100%); overflow: hidden; border-radius: 16px; box-shadow: 0 26px 70px rgba(0,0,0,.28); }
.intro-visual img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .65s cubic-bezier(.2,.7,.2,1); }
.intro-visual:hover img { transform: scale(1.055); }
.intro-visual figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 70px 24px 20px; color: #fff; text-align: left; background: linear-gradient(transparent, rgba(0,20,22,.92)); }
.intro-copy { width: min(760px, 100%); color: #c7e9e4; text-align: left; font-size: 16px; line-height: 1.9; }
.intro-copy p { margin-bottom: 12px; }
.intro-copy .intro-label { color: #f8bb4c; font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.content-redesign { background: #eafbf7; }
.content-story { display: grid; gap: 34px; }
.content-story-item { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); align-items: center; gap: clamp(28px, 6vw, 78px); }
.content-story-item.is-reverse { grid-template-columns: minmax(280px, .95fr) minmax(0, 1.05fr); }
.content-story-item.is-reverse .content-story-media { order: 2; }
.content-story-media { overflow: hidden; border-radius: 12px; box-shadow: 0 18px 45px rgba(7,63,61,.13); background: #073f3d; }
.content-story-media img { display: block; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; transition: transform .55s ease; }
.content-story-item:hover .content-story-media img { transform: scale(1.04); }
.content-story-copy { padding: 12px 0; }
.content-story-copy .item-no { color: var(--peach); font: 900 12px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.content-story-copy h3 { margin: 10px 0 12px; color: var(--teal-900); font-size: clamp(25px, 3vw, 36px); }
.content-story-copy p { max-width: 520px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.guide-redesign { background: #fff8ee; }
.guide-filters { display: flex; flex-wrap: wrap; gap: 10px; margin: -12px 0 28px; }
.filter-button { border: 1px solid rgba(8,127,118,.24); border-radius: 999px; padding: 9px 18px; color: var(--teal-700); background: rgba(255,255,255,.65); cursor: pointer; font: 800 13px inherit; transition: transform .2s, color .2s, background .2s, box-shadow .2s; }
.filter-button:hover, .filter-button:focus-visible, .filter-button.is-active { color: #fff; background: var(--teal-600); box-shadow: 0 8px 20px rgba(8,127,118,.2); transform: translateY(-2px); }
.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.guide-card { min-height: 220px; padding: 24px; border: 1px solid rgba(8,127,118,.14); border-radius: 12px; background: rgba(255,255,255,.8); box-shadow: 0 12px 28px rgba(7,63,61,.06); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.guide-card:hover { border-color: rgba(244,63,94,.42); box-shadow: 0 18px 36px rgba(244,63,94,.16), 0 0 0 1px rgba(244,63,94,.12); transform: translateY(-7px); }
.guide-card.is-hidden { display: none; }
.guide-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.guide-tag { padding: 5px 10px; border-radius: 999px; color: #a92b45; background: var(--peach-soft); font-size: 11px; font-weight: 900; }
.read-count { color: #78928f; font-size: 11px; }
.guide-card h3 { margin: 0 0 10px; color: var(--teal-900); font-size: 19px; line-height: 1.45; }
.guide-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.features-redesign { background: #092f31; }
.features-redesign .section-heading h2 { color: #f5fffd; }
.features-redesign .section-heading h2 span { color: #9ae9df; }
.features-redesign .heading-note { color: #a8d5d0; }
.features-redesign .feature-grid { border: 0; gap: 16px; }
.features-redesign .feature { min-height: 235px; border: 1px solid rgba(174,241,232,.16); border-radius: 12px; background: rgba(255,255,255,.065); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.features-redesign .feature:hover { border-color: rgba(245,158,11,.58); box-shadow: 0 20px 38px rgba(0,0,0,.22), 0 0 24px rgba(245,158,11,.12); transform: translateY(-7px); }
.features-redesign .feature h3 { color: #effffc; }
.features-redesign .feature p { color: #abd6d1; }
.feature-icon { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; margin-bottom: 22px; color: #f59e0b; border: 1px solid rgba(245,158,11,.45); border-radius: 10px; background: rgba(245,158,11,.09); transition: transform .3s ease; }
.feature:hover .feature-icon { transform: translateY(-4px) rotate(-6deg); }
.feature-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.updates-redesign, .faq-redesign { background: #fff8ee; }
.updates-redesign .section-heading, .faq-redesign .section-heading { max-width: 760px; margin-bottom: 38px; }
.updates-redesign .section-heading h2, .faq-redesign .section-heading h2 { font-size: clamp(34px, 5vw, 58px); }
.updates-redesign .timeline, .faq-redesign .faq-list { width: 100%; }
.updates-redesign .timeline { border-top: 0; display: grid; gap: 14px; }
.updates-redesign .timeline li { grid-template-columns: 58px 1fr; gap: 22px; padding: 25px 28px; border: 1px solid rgba(8,127,118,.14); border-radius: 12px; background: rgba(255,255,255,.78); box-shadow: 0 10px 25px rgba(7,63,61,.05); }
.updates-redesign .timeline li > span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--peach-soft); }
.updates-redesign .timeline h3 { margin-bottom: 8px; font-size: 21px; }
.updates-redesign .timeline p { font-size: 15px; line-height: 1.85; }
.faq-redesign { background: #eafbf7; }
.faq-redesign .faq-list { border-top: 0; display: grid; gap: 12px; }
.faq-redesign .faq-list details { border: 1px solid rgba(8,127,118,.14); border-radius: 12px; background: rgba(255,255,255,.78); box-shadow: 0 10px 24px rgba(7,63,61,.045); }
.faq-redesign .faq-list summary { padding: 21px 24px; font-size: 17px; }
.faq-redesign .faq-list details p { margin: -2px 24px 22px; font-size: 14px; line-height: 1.85; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features-redesign .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .intro-redesign { padding-top: 68px; }
  .intro-visual { width: 100%; border-radius: 16px; }
  .intro-visual figcaption { padding: 60px 16px 14px; font-size: 11px; }
  .intro-copy { font-size: 15px; }
  .content-story { gap: 42px; }
  .content-story-item, .content-story-item.is-reverse { display: flex; flex-direction: column; align-items: stretch; gap: 18px; }
  .content-story-item.is-reverse .content-story-media { order: 0; }
  .content-story-copy { padding: 0 4px; }
  .content-story-copy h3 { font-size: 27px; }
  .guide-filters { gap: 8px; }
  .filter-button { padding: 8px 13px; font-size: 12px; }
  .guide-grid, .features-redesign .feature-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 0; }
  .features-redesign .feature { min-height: 0; }
  .updates-redesign .timeline li { grid-template-columns: 40px 1fr; gap: 12px; padding: 20px 17px; }
  .updates-redesign .timeline h3 { font-size: 18px; }
  .updates-redesign .timeline p { font-size: 14px; }
  .faq-redesign .faq-list summary { padding: 18px 17px; font-size: 15px; }
  .faq-redesign .faq-list details p { margin: -2px 17px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* 统一鼠标悬停效果：纯 CSS，统一 0.3s 过渡 */
.guide-card,
.features-redesign .feature,
.updates-redesign .timeline li,
.faq-redesign .faq-list details,
.content-story-media,
.gallery-tile,
.friend-links-list a {
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease, background-color .3s ease, color .3s ease;
}

.guide-card:hover,
.features-redesign .feature:hover,
.updates-redesign .timeline li:hover,
.faq-redesign .faq-list details:hover,
.content-story-media:hover,
.gallery-tile:hover,
.friend-links-list a:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 38px rgba(7, 63, 61, .2), 0 0 22px rgba(245, 158, 11, .16);
}

.button,
.floating-cta,
.filter-button,
.gallery-controls button,
.lightbox-close,
.lightbox-arrow {
  transition: transform .3s ease, color .3s ease, background-color .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.button:hover,
.button:focus-visible,
.floating-cta:hover,
.floating-cta:focus-visible,
.filter-button:hover,
.filter-button:focus-visible,
.gallery-controls button:hover,
.gallery-controls button:focus-visible,
.lightbox-close:hover,
.lightbox-close:focus-visible,
.lightbox-arrow:hover,
.lightbox-arrow:focus-visible {
  transform: translateY(-2px) scale(1.04);
}

.button-primary:hover,
.button-primary:focus-visible,
.floating-cta:hover,
.floating-cta:focus-visible {
  color: #fff;
  background-color: #cf2f4d;
  box-shadow: 0 14px 30px rgba(244, 63, 94, .32), 0 0 18px rgba(244, 63, 94, .2);
}

.button-quiet:hover,
.button-quiet:focus-visible,
.intro-more:hover,
.intro-more:focus-visible,
.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active,
.gallery-controls button:hover,
.gallery-controls button:focus-visible {
  color: #fff;
  background-color: var(--teal-600);
  box-shadow: 0 10px 24px rgba(8, 127, 118, .25), 0 0 16px rgba(8, 127, 118, .18);
}

.intro-visual img,
.content-story-media img,
.gallery-tile img,
.visual-grid img {
  transition: transform .3s ease, filter .3s ease;
}

.intro-visual:hover img,
.content-story-media:hover img,
.gallery-tile:hover img,
.visual-grid figure:hover img {
  transform: scale(1.05);
}

.primary-nav a:not(.nav-cta) {
  position: relative;
  border-bottom: 0;
  transition: color .3s ease;
}

.primary-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 11px;
  bottom: 3px;
  left: 11px;
  height: 2px;
  border-radius: 999px;
  background: var(--peach);
  content: '';
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .3s ease;
}

.primary-nav a:not(.nav-cta):hover::after,
.primary-nav a:not(.nav-cta):focus-visible::after,
.primary-nav a:not(.nav-cta).is-active::after {
  transform: scaleX(1);
}

.primary-nav .nav-cta {
  transition: transform .3s ease, color .3s ease, background-color .3s ease, box-shadow .3s ease;
}

.primary-nav .nav-cta:hover,
.primary-nav .nav-cta:focus-visible {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 10px 24px rgba(8, 127, 118, .28), 0 0 16px rgba(8, 127, 118, .18);
}

@media (prefers-reduced-motion: reduce) {
  .guide-card,
  .features-redesign .feature,
  .updates-redesign .timeline li,
  .faq-redesign .faq-list details,
  .content-story-media,
  .gallery-tile,
  .friend-links-list a,
  .button,
  .floating-cta,
  .filter-button,
  .gallery-controls button,
  .lightbox-close,
  .lightbox-arrow,
  .intro-visual img,
  .content-story-media img,
  .gallery-tile img,
  .visual-grid img,
  .primary-nav a,
  .primary-nav a::after,
  .primary-nav .nav-cta {
    transition-duration: .01ms !important;
  }
}

/* 游戏介绍：居中标题 + 桌面端左右分栏 */
.intro-stack { gap: 36px; }
.intro-heading { width: 100%; max-width: 920px; text-align: center; }
.intro-redesign .intro-heading h2 { max-width: 920px; margin: 10px auto 15px; color: #f5fffd; font-size: clamp(25px, 2.8vw, 36px); line-height: 1.25; }
.intro-heading-line { display: block; width: 58px; height: 3px; margin: 0 auto; border-radius: 999px; background: var(--mango); box-shadow: 0 0 18px rgba(245,158,11,.4); }
.intro-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: clamp(34px, 7vw, 92px); width: 100%; text-align: left; }
.intro-visual { width: 100%; border-radius: 26px; box-shadow: 0 26px 70px rgba(0,0,0,.34); }
.intro-visual img { width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; }
.intro-visual figcaption { padding: 85px 26px 22px; }
.intro-copy { width: 100%; max-width: 560px; justify-self: start; color: #c7e9e4; font-size: 15px; line-height: 1.85; }
.intro-copy p { margin-bottom: 14px; }
.intro-copy .intro-label { margin-bottom: 16px; color: var(--mango); font-size: 12px; letter-spacing: .1em; }
.intro-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 18px; margin: 24px 0 27px; }
.intro-point { display: flex; align-items: flex-start; gap: 10px; min-width: 0; }
.intro-point svg { width: 22px; height: 22px; flex: 0 0 auto; margin-top: 2px; color: #f5b63c; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.intro-point span { display: grid; gap: 2px; }
.intro-point b { color: #f5fffd; font-size: 13px; }
.intro-point small { color: #9fc9c4; font-size: 11px; line-height: 1.5; }
.intro-more { color: #f5fffd; border-color: rgba(154,233,223,.6); background: rgba(8,127,118,.34); }
.intro-more:hover, .intro-more:focus-visible { color: #073f3d; border-color: #9ae9df; background: #9ae9df; }

@media (max-width: 720px) {
  .intro-stack { gap: 27px; }
  .intro-redesign .intro-heading h2 { font-size: clamp(24px, 6.5vw, 31px); }
  .intro-columns { grid-template-columns: 1fr; gap: 28px; }
  .intro-visual { border-radius: 26px; }
  .intro-copy { max-width: none; }
  .intro-points { gap: 13px 10px; }
  .intro-point { gap: 7px; }
  .intro-point b { font-size: 12px; }
  .intro-point small { font-size: 10px; }
  .intro-more { width: 100%; }
}

/* Navigation and action icons */
.primary-nav a { display: inline-flex; align-items: center; gap: 7px; }
.primary-nav .nav-icon, .button-icon { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; flex: 0 0 auto; }
.primary-nav .nav-cta .nav-icon { width: 17px; height: 17px; }
.menu-toggle { position: relative; width: 43px; height: 43px; }
.menu-toggle span { position: absolute; left: 9px; width: 25px; height: 2px; margin: 0; border-radius: 999px; background: var(--teal-700); transition: transform .3s ease, opacity .3s ease; }
.menu-toggle span:nth-child(1) { top: 13px; }
.menu-toggle span:nth-child(2) { top: 20px; }
.menu-toggle span:nth-child(3) { top: 27px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(.4); }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.filter-button { display: inline-flex; align-items: center; gap: 7px; }
.filter-button svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }

/* Six-frame screenshot grid and lightbox */
.gallery-redesign { color: #d8f8f3; background: #062f31; }
.gallery-redesign .gallery-head { align-items: end; }
.gallery-redesign .gallery-head h2 { color: #f5fffd; font-size: clamp(25px, 2.7vw, 34px); }
.gallery-redesign .heading-note { color: #a8d5d0; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gallery-tile { position: relative; display: block; overflow: hidden; padding: 0; border: 0; border-radius: 12px; background: #073f3d; cursor: zoom-in; box-shadow: 0 16px 35px rgba(0,0,0,.2); }
.gallery-tile .tile-icon { position: absolute; z-index: 1; top: 13px; right: 13px; width: 21px; height: 21px; padding: 3px; color: #fff; border: 1px solid rgba(255,255,255,.58); border-radius: 50%; background: rgba(7,63,61,.72); fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; opacity: .9; pointer-events: none; }
.gallery-tile::after { position: absolute; right: 13px; bottom: 12px; display: grid; width: 30px; height: 30px; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; background: rgba(7,63,61,.72); content: '↗'; font-size: 15px; opacity: 0; transition: opacity .25s, transform .25s; }
.gallery-tile img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .45s cubic-bezier(.2,.7,.2,1), filter .3s; }
.gallery-tile:hover img, .gallery-tile:focus-visible img { transform: scale(1.05); filter: saturate(1.08); }
.gallery-tile:hover::after, .gallery-tile:focus-visible::after { opacity: 1; transform: translateY(-3px); }
.gallery-tile:focus-visible { outline: 3px solid var(--mango); outline-offset: 4px; }
.lightbox { position: fixed; z-index: 50; inset: 0; display: grid; place-items: center; padding: 24px; }
.lightbox[hidden] { display: none; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(1,20,22,.9); backdrop-filter: blur(8px); }
.lightbox-panel { position: relative; z-index: 1; display: grid; grid-template-columns: 48px minmax(0, 1fr) 48px; grid-template-rows: minmax(0, 1fr) auto; align-items: center; width: min(1180px, 100%); max-height: calc(100vh - 48px); gap: 14px; }
.lightbox-image { grid-column: 2; grid-row: 1; width: 100%; max-height: calc(100vh - 120px); object-fit: contain; border-radius: 12px; box-shadow: 0 25px 80px rgba(0,0,0,.42); background: #073f3d; }
.lightbox-close, .lightbox-arrow { display: grid; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; background: rgba(7,63,61,.78); cursor: pointer; transition: color .2s, background .2s, transform .2s; }
.lightbox-close:hover, .lightbox-arrow:hover, .lightbox-close:focus-visible, .lightbox-arrow:focus-visible { color: #073f3d; background: #f5fffd; transform: scale(1.06); }
.lightbox-close { position: absolute; z-index: 2; top: -14px; right: -14px; width: 42px; height: 42px; }
.lightbox-close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 2; }
.lightbox-arrow { width: 42px; height: 42px; }
.lightbox-arrow svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.lightbox-prev { grid-column: 1; grid-row: 1; }
.lightbox-next { grid-column: 3; grid-row: 1; }
.lightbox-count { grid-column: 2; grid-row: 2; justify-self: center; margin: 0; color: #c7e9e4; font: 800 12px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
body.lightbox-open { overflow: hidden; }

/* Floating detail action replaces the removed bottom CTA */
.floating-cta { position: fixed; z-index: 20; right: clamp(16px, 3vw, 34px); bottom: clamp(16px, 3vw, 30px); display: inline-flex; align-items: center; gap: 9px; min-height: 48px; padding: 12px 17px; color: #fff; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; background: var(--peach); box-shadow: 0 14px 32px rgba(173,30,58,.32); font-size: 13px; font-weight: 900; text-decoration: none; transition: transform .2s, background .2s, box-shadow .2s; }
.floating-cta:hover, .floating-cta:focus-visible { background: #cf2f4d; box-shadow: 0 18px 36px rgba(173,30,58,.42); transform: translateY(-3px); }
.floating-cta svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }

/* Compact heading scale */
h1 { font-size: clamp(36px, 4.8vw, 64px); }
.section-heading h2, .final-cta h2, .route-visual h2 { font-size: clamp(25px, 2.7vw, 38px); }
.updates-redesign .section-heading h2, .faq-redesign .section-heading h2 { font-size: clamp(26px, 2.9vw, 38px); }
.content-story-copy h3 { font-size: clamp(24px, 2.6vw, 33px); }

@media (max-width: 980px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .primary-nav a { justify-content: flex-start; }
  h1 { font-size: clamp(34px, 10.5vw, 48px); }
  .section-heading h2, .final-cta h2, .route-visual h2, .updates-redesign .section-heading h2, .faq-redesign .section-heading h2 { font-size: clamp(24px, 6.8vw, 32px); }
  .gallery-redesign .gallery-head { gap: 10px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .gallery-tile::after { width: 25px; height: 25px; right: 8px; bottom: 8px; font-size: 13px; opacity: 1; }
  .lightbox { padding: 13px; }
  .lightbox-panel { grid-template-columns: 38px minmax(0, 1fr) 38px; gap: 7px; width: 100%; }
  .lightbox-close { top: -10px; right: -2px; width: 36px; height: 36px; }
  .lightbox-arrow { width: 34px; height: 34px; }
  .lightbox-count { font-size: 10px; }
  .floating-cta { right: 14px; bottom: 14px; min-height: 44px; padding: 10px 14px; }
}

/* Final hover timing override: every requested hover transition is 0.3s */
.gallery-tile img,
.gallery-tile::after,
.gallery-tile,
.lightbox-close,
.lightbox-arrow,
.floating-cta,
.button,
.filter-button,
.primary-nav a,
.primary-nav a::after,
.friend-links-list a {
  transition-duration: .3s;
}

/* Unified corner system: modules 16px, images 12px, labels 4px, text buttons pill-shaped */
.guide-card,
.features-redesign .feature,
.updates-redesign .timeline li,
.faq-redesign .faq-list details {
  border-radius: 16px;
}

.intro-visual,
.content-story-media,
.visual-grid figure,
.route-visual img,
.gallery-tile,
.lightbox-image {
  border-radius: 12px;
}

.button,
.primary-nav .nav-cta,
.filter-button,
.floating-cta,
.friend-links-list a {
  border-radius: 999px;
}

.guide-tag,
.guide-list article > span {
  border-radius: 4px;
}