:root {
  --ink: #062f43;
  --ink-2: #0b435a;
  --paper: #f3f0e6;
  --paper-2: #fffdf6;
  --yellow: #ffe117;
  --mint: #54ddc0;
  --muted: #6c7e84;
  --line: rgba(6, 47, 67, .14);
  --serif: Georgia, "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --sans: "Avenir Next", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --safe-bottom: max(18px, env(safe-area-inset-bottom));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img, video { display: block; width: 100%; }
button { font: inherit; }
[hidden] { display: none !important; }

.site-header { position: sticky; top: 0; z-index: 40; color: #fff; background: rgba(6,47,67,.94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255,255,255,.09); }
.header-inner { height: 64px; max-width: 1160px; margin: auto; padding: 0 18px; display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: var(--ink); background: var(--yellow); font-family: var(--serif); font-weight: 900; font-size: 22px; }
.brand strong { display: block; font-family: var(--serif); font-size: 17px; letter-spacing: .06em; }
.brand small { display: block; margin-top: 2px; color: #a8c7d1; font-size: 7px; letter-spacing: .2em; }
.header-action { margin-left: auto; padding: 7px 12px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; font-size: 12px; }
.back-link { font-size: 27px; line-height: 1; padding: 6px 5px 8px 0; }

.hero { position: relative; isolation: isolate; min-height: 555px; overflow: hidden; color: #fff; background: var(--ink); padding: 76px 24px 64px; }
.hero::before { content: ""; position: absolute; z-index: -2; width: 440px; height: 440px; right: -230px; top: 70px; border: 1px solid rgba(84,221,192,.32); border-radius: 50%; box-shadow: 0 0 0 62px rgba(84,221,192,.03), 0 0 0 126px rgba(84,221,192,.025); }
.hero::after { content: ""; position: absolute; z-index: -1; left: 0; right: 0; bottom: 0; height: 160px; opacity: .3; background: repeating-linear-gradient(115deg, transparent 0 22px, rgba(84,221,192,.16) 23px 24px); clip-path: polygon(0 75%, 18% 30%, 32% 67%, 52% 10%, 69% 59%, 86% 25%, 100% 68%, 100% 100%, 0 100%); }
.hero > *:not(.hero-orbit) { max-width: 680px; margin-left: auto; margin-right: auto; }
.hero-orbit { position: absolute; right: -10px; top: 87px; width: 130px; height: 130px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; display: grid; place-items: center; color: var(--yellow); font-family: var(--serif); font-size: 29px; font-weight: 800; transform: rotate(8deg); }
.hero-orbit i { position: absolute; width: 8px; height: 8px; top: 8px; border-radius: 50%; background: var(--mint); }
.kicker, .eyebrow { margin: 0 0 13px; color: #198c7c; font-size: 11px; font-weight: 800; letter-spacing: .21em; text-transform: uppercase; }
.hero .kicker { color: var(--mint); }
.hero h1 { margin-top: 18px; margin-bottom: 22px; font-family: var(--serif); font-size: clamp(44px, 12vw, 76px); line-height: 1.08; letter-spacing: -.04em; }
.hero h1 em { color: var(--yellow); font-style: normal; }
.hero-intro { max-width: 510px !important; margin-left: 0 !important; color: #c8d9de; line-height: 1.85; font-size: 15px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 30px; }
.primary-button { display: inline-flex; justify-content: center; align-items: center; min-height: 46px; padding: 0 20px; border-radius: 3px; color: var(--ink); background: var(--yellow); box-shadow: 6px 6px 0 rgba(84,221,192,.4); font-weight: 800; font-size: 14px; }
.text-button { color: #fff; border-bottom: 1px solid rgba(255,255,255,.5); padding: 10px 0 6px; font-size: 13px; }

.catalog, .method { max-width: 1160px; margin: auto; padding: 58px 18px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 24px; }
.section-heading h2, .method h2 { margin: 0; font-family: var(--serif); font-size: 30px; letter-spacing: -.04em; }
.section-heading > span { color: var(--muted); font-family: var(--serif); font-size: 13px; }
.filters { display: flex; gap: 8px; overflow-x: auto; padding: 3px 0 17px; scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.filter { flex: 0 0 auto; border: 1px solid var(--line); color: var(--ink); background: transparent; border-radius: 999px; padding: 8px 13px; cursor: pointer; font-size: 12px; }
.filter b { margin-left: 3px; opacity: .5; }
.filter.active { border-color: var(--ink); color: #fff; background: var(--ink); }

.story-grid { display: grid; gap: 24px; }
.story-card { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; border-bottom: 1px solid var(--line); padding-bottom: 24px; }
.story-card.revealed { opacity: 1; transform: none; }
.card-media { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 10; background: #dce3df; }
.card-media::after { content: ""; position: absolute; inset: 58% 0 0; background: linear-gradient(transparent, rgba(0,23,34,.58)); pointer-events: none; }
.card-media img { height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1); }
.story-card:hover img { transform: scale(1.035); }
.card-badge, .duration { position: absolute; z-index: 2; color: #fff; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.card-badge { top: 12px; left: 12px; color: var(--ink); background: var(--yellow); padding: 6px 9px; }
.duration { right: 12px; bottom: 10px; padding: 4px 8px; border: 1px solid rgba(255,255,255,.45); border-radius: 999px; backdrop-filter: blur(8px); }
.card-copy { padding-top: 19px; }
.card-copy h2 { margin: 0; font-family: var(--serif); font-size: 26px; line-height: 1.3; }
.english-title { margin: 7px 0 0; color: #277f76; font-family: var(--serif); font-style: italic; font-size: 15px; }
.summary { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 3; -webkit-box-orient: vertical; margin: 13px 0; color: #52666c; line-height: 1.75; font-size: 13px; }
.read-more { display: inline-flex; align-items: center; gap: 12px; padding-top: 3px; font-size: 13px; font-weight: 800; }
.read-more span { color: #0bac91; font-size: 20px; }

.method { padding-top: 34px; padding-bottom: 84px; }
.method-grid { display: grid; gap: 1px; margin-top: 24px; color: #fff; background: rgba(255,255,255,.12); box-shadow: 0 18px 45px rgba(6,47,67,.14); }
.method-grid > div { opacity: 0; transform: translateY(12px); padding: 25px; background: var(--ink); transition: .5s ease; }
.method-grid > div.revealed { opacity: 1; transform: none; }
.method-grid b { color: var(--yellow); font-family: var(--serif); font-size: 14px; }
.method-grid h3 { margin: 28px 0 8px; font-family: var(--serif); font-size: 21px; }
.method-grid p { margin: 0; color: #aac2cb; line-height: 1.75; font-size: 13px; }

.site-footer { padding: 48px 20px 110px; text-align: center; color: #fff; background: #031f2d; }
.site-footer strong { font-family: var(--serif); font-size: 20px; }
.site-footer p { color: #8eabb5; font-size: 12px; }
.bottom-nav { position: fixed; z-index: 50; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); padding: 7px 5px var(--safe-bottom); border-top: 1px solid rgba(6,47,67,.12); background: rgba(255,253,246,.94); backdrop-filter: blur(20px); }
.bottom-nav a { display: grid; gap: 2px; justify-items: center; color: #718188; font-size: 10px; }
.bottom-nav span { display: grid; place-items: center; height: 24px; font-family: var(--serif); font-size: 18px; }
.bottom-nav a.active { color: var(--ink); font-weight: 800; }
.bottom-nav a.active span { color: #0a8f7b; }

.story-page { min-height: 100vh; }
.story-page article { max-width: 790px; margin: auto; }
.story-hero { padding: 45px 20px 28px; }
.story-hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(37px, 10vw, 64px); line-height: 1.14; letter-spacing: -.045em; }
.story-title-en { margin: 13px 0 0; color: #287f75; font-family: var(--serif); font-size: 18px; font-style: italic; line-height: 1.4; }
.story-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 23px; }
.story-meta span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; color: #526970; font-size: 11px; }
.video-frame { margin: 0; background: #021e2b; }
.video-frame video { max-height: 80vh; background: #021e2b; }
.video-frame figcaption { padding: 10px 18px 12px; color: #a9c0c8; background: #021e2b; font-size: 11px; }
.listen-panel { margin: 22px 16px 0; padding: 24px; color: #fff; background: var(--ink); box-shadow: 8px 8px 0 var(--mint); }
.listen-panel h2 { margin: 0; font-family: var(--serif); font-size: 25px; }
.listen-panel p:not(.kicker) { color: #b5cbd2; line-height: 1.65; font-size: 12px; }
.listen-panel .primary-button { margin-top: 10px; width: 100%; }
.article-intro, .transcript-section, .sources { padding: 38px 20px 0; }
.article-intro .dropcap { margin: 0; color: #344f58; font-family: var(--serif); font-size: 17px; line-height: 2; }
.article-intro .dropcap::first-letter { float: left; margin: 9px 8px 0 0; color: var(--ink); font-size: 56px; line-height: .75; }
.transcript { list-style: none; margin: 0; padding: 0; counter-reset: sentence; }
.transcript li { position: relative; opacity: 0; transform: translateY(10px); padding: 21px 0 21px 37px; border-top: 1px solid var(--line); transition: .4s ease; counter-increment: sentence; }
.transcript li.revealed { opacity: 1; transform: none; }
.transcript li::before { content: counter(sentence, decimal-leading-zero); position: absolute; left: 0; top: 26px; color: #169982; font-family: var(--serif); font-size: 11px; }
.transcript p { margin: 0; }
.transcript p[lang="en"] { color: var(--ink); font-family: var(--serif); font-size: 19px; font-weight: 700; line-height: 1.55; }
.transcript p + p { margin-top: 7px; color: #60747a; font-size: 14px; line-height: 1.7; }
.sources { padding-bottom: 18px; }
.sources h2 { font-family: var(--serif); font-size: 22px; }
.sources ul { padding-left: 19px; }
.sources li { margin: 9px 0; color: #46656d; font-size: 12px; line-height: 1.55; }
.sources a { text-decoration: underline; text-decoration-color: #49bca5; text-underline-offset: 3px; }
.back-home { display: block; margin: 25px 20px 80px; padding: 17px; border: 1px solid var(--ink); text-align: center; font-size: 13px; font-weight: 800; }

.about-page { min-height: 100vh; background: var(--ink); color: #fff; padding: 62px 22px 120px; }
.about-page article { max-width: 720px; margin: auto; }
.about-page h1 { margin: 12px 0 25px; font-family: var(--serif); font-size: clamp(46px, 13vw, 78px); line-height: 1.08; color: var(--yellow); }
.about-page .lead { color: #d1e0e4; font-family: var(--serif); font-size: 18px; line-height: 1.9; }
.about-block { margin-top: 38px; border-top: 1px solid rgba(255,255,255,.17); padding-top: 20px; }
.about-block span { color: var(--mint); font-size: 11px; letter-spacing: .16em; }
.about-block p { color: #aac1c9; line-height: 1.85; }
.signature { margin-top: 60px; padding: 25px; color: var(--ink); background: var(--paper-2); box-shadow: 9px 9px 0 var(--yellow); }
.signature b { display: block; font-family: var(--serif); font-size: 25px; }
.signature small { letter-spacing: .13em; }
.signature p { margin-top: 25px; color: #50666d; font-size: 12px; line-height: 1.7; }

@media (min-width: 720px) {
  .hero { padding: 110px 7vw 90px; }
  .hero-orbit { right: 8vw; width: 220px; height: 220px; font-size: 48px; }
  .story-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .story-card-featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1.35fr 1fr; gap: 32px; align-items: center; }
  .story-card-featured .card-copy { padding: 20px 20px 20px 0; }
  .method-grid { grid-template-columns: repeat(3,1fr); }
  .bottom-nav { display: none; }
  .site-footer { padding-bottom: 48px; }
  .listen-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .listen-panel .primary-button { width: auto; flex: 0 0 auto; margin: 0; }
}

/* 2026 editorial refinement: content leads, brand details support it. */
.hero { min-height: 620px; padding: 0; display: flex; align-items: end; background: #031f2d; }
.hero::before, .hero::after { display: none; }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { z-index: -3; object-fit: cover; }
.hero-shade { z-index: -2; background: linear-gradient(180deg, rgba(1,23,34,.08) 0%, rgba(1,23,34,.35) 38%, rgba(1,23,34,.95) 100%), linear-gradient(90deg, rgba(1,23,34,.64), transparent 72%); }
.hero-copy { width: min(100%, 1160px); margin: 0 auto !important; padding: 52px 22px 50px; }
.edition { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: #d7e7e9; font-family: var(--serif); font-size: 9px; letter-spacing: .18em; }
.edition i { display: block; flex: 0 0 42px; width: 42px; height: 1px; background: var(--yellow); }
.hero .kicker { margin-bottom: 9px; font-size: 9px; }
.hero h1 { max-width: 720px; margin: 0; color: #fff; font-size: clamp(43px, 11vw, 78px); line-height: 1.08; text-wrap: balance; }
.hero-title-en { max-width: 640px; margin: 12px 0 24px !important; color: #d3e5e8; font-family: var(--serif); font-size: 17px; font-style: italic; }
.hero-play { display: grid; width: fit-content; grid-template-columns: 45px auto; grid-template-rows: auto auto; column-gap: 12px; align-items: center; color: #fff; }
.play-disc { grid-row: 1 / 3; display: grid; place-items: center; width: 45px; height: 45px; padding-left: 2px; border-radius: 50%; color: var(--ink); background: var(--yellow); box-shadow: 0 0 0 7px rgba(255,225,23,.15); font-size: 13px; }
.hero-play b { align-self: end; font-size: 13px; letter-spacing: .05em; }
.hero-play small { align-self: start; color: #a9c7cd; font-size: 10px; }
.hero-index { position: absolute; right: -3px; bottom: 18px; color: rgba(255,255,255,.13); font-family: var(--serif); font-size: 37px; font-weight: 900; line-height: .78; text-align: right; letter-spacing: -.06em; }

.manifesto { position: relative; max-width: 1160px; margin: 0 auto; padding: 54px 22px 48px; overflow: hidden; display: grid; gap: 24px; border-bottom: 1px solid var(--line); }
.manifesto-mark { position: absolute; right: -25px; top: 9px; color: rgba(6,47,67,.045); font-family: var(--serif); font-size: 190px; font-weight: 900; line-height: 1; }
.manifesto h2 { position: relative; z-index: 1; margin: 0; font-family: var(--serif); font-size: 32px; line-height: 1.35; letter-spacing: -.035em; }
.manifesto > p { position: relative; z-index: 1; margin: 0; color: #536b72; font-size: 13px; line-height: 1.9; }
.catalog { padding-top: 44px; }
.story-card { padding: 0 0 26px; }
.card-media { border-radius: 2px; box-shadow: 0 12px 30px rgba(6,47,67,.12); }
.story-card-featured .card-badge { background: var(--mint); }
.card-copy h2 { font-size: 27px; }
.primary-button { border-radius: 999px; box-shadow: none; padding: 0 24px; }

.story-hero { position: relative; min-height: 520px; display: flex; align-items: end; overflow: hidden; padding: 0; color: #fff; background: #041f2b; }
.story-hero > img, .story-hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.story-hero > img { object-fit: cover; }
.story-hero-shade { background: linear-gradient(180deg, rgba(1,19,28,.08), rgba(1,19,28,.18) 35%, rgba(1,19,28,.95)); }
.story-hero-copy { position: relative; z-index: 2; width: 100%; padding: 90px 21px 31px; }
.story-hero .eyebrow { color: var(--mint); }
.story-hero h1 { max-width: 690px; color: #fff; text-shadow: 0 2px 26px rgba(0,0,0,.28); }
.story-title-en { color: #d4e8eb; }
.story-meta span { color: #eef6f7; border-color: rgba(255,255,255,.28); background: rgba(2,31,43,.2); backdrop-filter: blur(8px); }
.video-frame { margin: 18px 14px 0; border-radius: 14px; overflow: hidden; box-shadow: 0 16px 45px rgba(5,42,57,.22); }
.video-frame figcaption { border-top: 1px solid rgba(255,255,255,.09); }
.listen-panel { margin-top: 30px; border-radius: 14px; box-shadow: none; background: linear-gradient(135deg, var(--ink), #0a4b5f); }
.listen-panel .primary-button { background: var(--yellow); }
.fact-notes { margin: 38px 20px 0; padding: 28px 22px 18px; border-top: 5px solid var(--yellow); background: #e6e3d8; }
.fact-notes ol { list-style: none; margin: 0; padding: 0; }
.fact-notes li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; padding: 14px 0; border-top: 1px solid rgba(6,47,67,.12); }
.fact-notes li:first-child { border-top: 0; }
.fact-notes b { color: #15927e; font-family: var(--serif); font-size: 11px; }
.fact-notes p { margin: -3px 0 0; color: #244651; font-family: var(--serif); font-size: 14px; line-height: 1.65; }

@media (min-width: 720px) {
  .hero { min-height: 730px; }
  .hero-copy { padding: 90px 7vw 75px; }
  .hero-index { right: 4vw; bottom: 45px; font-size: 82px; }
  .manifesto { grid-template-columns: 1.25fr 1fr; align-items: end; padding: 80px 40px; }
  .manifesto .manifesto-mark { font-size: 260px; }
  .story-hero { min-height: 650px; border-radius: 0 0 22px 22px; }
  .story-hero-copy { padding: 120px 50px 55px; }
  .video-frame { margin: 28px 34px 0; }
  .fact-notes { margin-left: 34px; margin-right: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
  .story-card, .method-grid > div, .transcript > li { opacity: 1; transform: none; }
}