:root {
  --ink: #10284a;
  --muted: #587496;
  --cobalt: #1557c8;
  --cobalt-dark: #123f91;
  --sky: #dceeff;
  --cloud: #f7fbff;
  --line: #d4e3f0;
  --font: "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cloud); font-family: var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #0a76d5; outline-offset: 3px; }
.growth-shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 10px; top: 8px; z-index: 100; padding: 10px 14px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.growth-header { position: absolute; inset: 0 0 auto; z-index: 20; height: 74px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 36px; padding-inline: max(24px, calc((100vw - 1240px) / 2)); border-bottom: 1px solid rgba(255,255,255,.7); }
.growth-brand { color: #1761ce; font-size: 25px; font-weight: 950; letter-spacing: -.03em; }
.growth-header nav { display: flex; justify-content: center; gap: clamp(12px,1.6vw,24px); font-size: 14px; font-weight: 650; }
.growth-header nav a { position: relative; padding-block: 27px 24px; }
.growth-header nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 17px; height: 2px; background: var(--cobalt); transition: left .2s ease, right .2s ease; }
.growth-header nav a:hover::after, .growth-header nav a.active::after { left: 0; right: 0; }
.consult-link { min-height: 40px; display: inline-flex; align-items: center; padding-inline: 19px; border-radius: 999px; color: white; background: var(--cobalt); font-size: 13px; font-weight: 750; box-shadow: 0 10px 24px rgba(21,87,200,.24); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 0; border-radius: 50%; background: white; place-items: center; }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 3px; background: var(--ink); }

.growth-hero { position: relative; min-height: 660px; padding: 142px 0 78px; overflow: hidden; background: linear-gradient(180deg, #eef7ff 0%, #f8fcff 76%, var(--cloud)); }
.hero-atmosphere { position: absolute; inset: 0; opacity: .34; background: linear-gradient(90deg,rgba(255,255,255,.96) 0 32%,rgba(255,255,255,.25) 67%,rgba(255,255,255,.78)), url("assets/oyland-hero-v3.png") 60% 34% / cover no-repeat; pointer-events: none; }
.hero-atmosphere::after { content: ""; position: absolute; inset: auto -8% -96px; height: 170px; border-radius: 50% 50% 0 0 / 55% 55% 0 0; background: var(--cloud); }
.hero-grid { position: relative; display: grid; grid-template-columns: .62fr 1.38fr; gap: 58px; align-items: center; }
.hero-copy { align-self: start; padding-top: 54px; }
.hero-copy h1 { margin: 0; max-width: 5em; font-size: clamp(62px, 6.3vw, 92px); line-height: 1; letter-spacing: -.025em; }
.hero-copy > p { margin: 24px 0 0; font-size: clamp(21px, 2vw, 29px); line-height: 1.45; letter-spacing: .05em; }
.hero-copy > span { display: block; max-width: 32em; margin-top: 28px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.featured-story { position: relative; min-height: 440px; overflow: hidden; border-radius: 16px; color: white; box-shadow: 0 28px 65px rgba(41,82,126,.23); background: #29445f; }
.featured-story img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.featured-story::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(6,20,38,.86),rgba(8,24,43,.33) 52%,rgba(8,24,43,.02)); }
.featured-content { position: relative; z-index: 1; width: 53%; min-height: 440px; display: flex; flex-direction: column; justify-content: flex-end; padding: 42px; }
.featured-content > span { width: fit-content; margin-bottom: auto; padding-bottom: 8px; border-bottom: 2px solid #62a1ff; font-size: 13px; font-weight: 750; }
.featured-content h2 { margin: 0; font-size: 31px; line-height: 1.22; letter-spacing: -.02em; }
.featured-content p { margin: 13px 0 0; color: #dceaff; line-height: 1.7; }
.story-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 20px; color: #e5f1ff; font-size: 12px; }
.featured-content .story-link { width: fit-content; min-height: 45px; margin-top: 25px; padding: 0 19px; border-radius: 999px; background: white; color: var(--cobalt-dark); font-weight: 800; display: inline-flex; align-items: center; gap: 12px; }

.story-explorer { padding: 90px 0 118px; }
.explorer-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; }
.explorer-heading h2 { margin: 0; font-size: clamp(37px, 4.2vw, 58px); letter-spacing: -.03em; }
.explorer-heading p { margin: 14px 0 0; color: var(--muted); line-height: 1.7; }
.result-count { flex: 0 0 auto; font-size: 13px; }
.story-filters { display: flex; gap: 9px; margin-top: 38px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
.story-filters button { min-height: 40px; padding: 0 16px; border: 1px solid #b9d2ea; border-radius: 999px; background: transparent; color: #456687; font-size: 13px; font-weight: 700; white-space: nowrap; cursor: pointer; }
.story-filters button:hover { border-color: var(--cobalt); color: var(--cobalt); }
.story-filters button.active { border-color: var(--cobalt); background: var(--cobalt); color: white; }
.story-grid { display: grid; grid-template-columns: repeat(12,1fr); grid-auto-rows: 180px; gap: 18px; margin-top: 34px; }
.story-card { position: relative; grid-column: span 4; grid-row: span 2; min-height: 0; overflow: hidden; border: 0; border-radius: 14px; padding: 0; background: #dbe9f4; color: white; text-align: left; cursor: pointer; }
.story-card:first-child { grid-column: span 6; }
.story-card:nth-child(2) { grid-column: span 6; }
.story-card:nth-child(3) { grid-column: span 5; }
.story-card:nth-child(4) { grid-column: span 3; }
.story-card:nth-child(5) { grid-column: span 4; }
.story-card img { height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.16,1,.3,1); }
.story-card::after { content: ""; position: absolute; inset: 30% 0 0; background: linear-gradient(180deg,transparent,rgba(5,20,38,.88)); }
.story-card:hover img { transform: scale(1.035); }
.story-card--art { display: flex; flex-direction: column; border: 1px solid var(--line); background: white; color: var(--ink); }
.story-card--art::after { content: none; }
.creator-cover { position: relative; flex: 1; min-height: 0; background: #f2f7fc; }
.creator-cover img { position: absolute; inset: 16px; width: calc(100% - 32px); height: calc(100% - 32px); object-fit: contain; }
.story-card--art:hover img { transform: none; }
.story-card--art:hover { border-color: var(--cobalt); }
.story-card--art .card-copy { position: relative; flex-shrink: 0; background: white; }
.story-card--art .card-copy h3 { font-size: 25px; }
.story-card--art .card-copy p { color: var(--muted); }
.story-card--art .card-tags span { background: var(--sky); }
.featured-story--art { background: #f2f7fc; color: var(--ink); }
.featured-story--art::after { content: none; }
.featured-story--art img { inset: 30px 25px 30px auto; width: 42%; height: calc(100% - 60px); object-fit: contain; }
.featured-story--art .featured-content p, .featured-story--art .story-meta { color: var(--muted); }
.card-copy { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; padding: 24px; }
.card-copy h3 { margin: 0; font-size: 22px; }
.card-copy p { margin: 7px 0 0; color: #e4effb; font-size: 13px; line-height: 1.55; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.card-tags span { padding: 5px 8px; border-radius: 999px; background: rgba(255,255,255,.9); color: var(--cobalt-dark); font-size: 10px; font-weight: 750; }
.empty-state { margin-top: 34px; padding: 70px 24px; border-radius: 14px; text-align: center; background: #eef6fc; }
.empty-state h3 { margin: 0; font-size: 26px; }
.empty-state p { margin: 12px 0 0; color: var(--muted); }

.growth-closing { padding: 100px 0; background: #e9f4fd; }
.closing-inner { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 50px; }
.closing-inner h2 { margin: 0; font-size: clamp(39px, 4.4vw, 62px); line-height: 1.12; letter-spacing: -.03em; }
.closing-inner p { max-width: 45em; margin: 22px 0 0; color: var(--muted); line-height: 1.85; }
.closing-inner a { min-height: 48px; display: inline-flex; align-items: center; padding-inline: 22px; border-radius: 999px; background: var(--cobalt); color: white; font-weight: 800; }
.growth-footer { min-height: 110px; display: flex; justify-content: space-between; gap: 30px; align-items: center; color: var(--muted); }
.growth-footer > span { color: var(--cobalt-dark); font-weight: 850; }
.growth-footer small { text-align: right; }
.story-toast { position: fixed; z-index: 50; left: 50%; bottom: 28px; max-width: calc(100% - 30px); padding: 12px 18px; border-radius: 999px; background: var(--ink); color: white; opacity: 0; pointer-events: none; transform: translate(-50%,24px); transition: opacity .2s ease, transform .2s ease; font-size: 13px; }
.story-toast.show { opacity: 1; transform: translate(-50%,0); }

@media (max-width: 980px) {
  .growth-header { grid-template-columns: 1fr auto auto; }.growth-header nav { position: absolute; left: 20px; right: 20px; top: 70px; display: none; grid-template-columns: repeat(2,1fr); padding: 16px; border-radius: 14px; background: white; box-shadow: 0 18px 50px rgba(38,82,124,.18); }.growth-header nav.open { display: grid; }.growth-header nav a { padding: 10px; }.growth-header nav a::after { display: none; }.nav-toggle { display: grid; }
  .hero-grid { grid-template-columns: 1fr; }.hero-copy { padding-top: 12px; }.hero-copy > span { max-width: 46em; }.featured-story { min-height: 480px; }
  .story-card { grid-column: span 6 !important; }
}

@media (max-width: 620px) {
  .growth-shell { width: min(100% - 30px, 560px); }.growth-header { height: 66px; padding-inline: 15px; gap: 9px; }.growth-brand { font-size: 21px; }.consult-link { min-height: 36px; padding-inline: 12px; font-size: 11px; }
  .growth-hero { min-height: 0; padding: 112px 0 60px; }.hero-copy h1 { font-size: 54px; }.hero-copy > p { margin-top: 17px; font-size: 20px; }.hero-copy > span { margin-top: 20px; font-size: 14px; }.hero-grid { gap: 34px; }
  .featured-story { min-height: 480px; }.featured-story::after { background: linear-gradient(0deg,rgba(6,20,38,.94),rgba(8,24,43,.08) 74%); }.featured-content { width: 100%; min-height: 480px; padding: 27px; }.featured-content > span { margin-bottom: auto; }.featured-content h2 { font-size: 27px; }.featured-story img { object-position: 58% center; }
  .featured-story--art img { position: static; width: 100%; height: 250px; padding: 24px; }
  .featured-story--art .featured-content { min-height: 0; }
  .featured-story--art .featured-content > span { margin-bottom: 24px; }
  .story-explorer { padding: 72px 0 88px; }.explorer-heading { display: block; }.explorer-heading h2 { font-size: 39px; }.result-count { margin-top: 14px !important; }.story-filters { margin-top: 28px; }
  .story-grid { display: grid; grid-template-columns: 1fr; grid-auto-rows: auto; }.story-card { grid-column: auto !important; grid-row: auto; aspect-ratio: 4 / 5; }.story-card:nth-child(even) { aspect-ratio: 1 / 1; }
  .closing-inner { grid-template-columns: 1fr; align-items: start; }.closing-inner h2 { font-size: 39px; }.closing-inner a { width: fit-content; }.growth-footer { padding: 28px 0; display: grid; }.growth-footer small { text-align: left; line-height: 1.6; }
}

@media (max-width: 620px) and (orientation: portrait) {
  .story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 12px; }
  .story-card, .story-card:nth-child(even) { display: flex; flex-direction: column; min-width: 0; aspect-ratio: auto; background: white; color: var(--ink); }
  .story-card::after { content: none; }
  .story-card > img { height: auto; aspect-ratio: 4 / 5; object-position: center top; }
  .story-card .creator-cover { flex: none; width: 100%; aspect-ratio: 4 / 5; }
  .story-card .card-copy { position: relative; flex: 1; display: flex; flex-direction: column; padding: 12px; }
  .story-card .card-copy h3 { font-size: 15px; line-height: 1.5; overflow-wrap: anywhere; }
  .story-card .card-copy p { margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.6; }
  .story-card .card-tags { gap: 5px; margin-top: auto; padding-top: 10px; }
  .story-card .card-tags span { padding: 4px 6px; background: var(--sky); }
}

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