:root {
  --bg: #031222;
  --bg-deep: #020b15;
  --panel: #071c2e;
  --panel-2: #0a2438;
  --line: rgba(91, 211, 204, .28);
  --line-bright: #5bd3cc;
  --teal: #61ddd6;
  --teal-soft: #a6f1ec;
  --orange: #f6a623;
  --orange-2: #f47a2a;
  --text: #f4f7f8;
  --muted: #9dafbb;
  --muted-2: #6f8493;
  --shadow: 0 24px 80px rgba(0, 0, 0, .32);
  --max: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 72% 8%, rgba(246, 166, 35, .08), transparent 26%),
    radial-gradient(circle at 12% 12%, rgba(31, 103, 139, .16), transparent 27%),
    var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.ambient { position: fixed; border-radius: 50%; filter: blur(120px); pointer-events: none; opacity: .12; z-index: -1; }
.ambient-one { width: 520px; height: 520px; background: var(--teal); left: -300px; top: 28%; }
.ambient-two { width: 420px; height: 420px; background: var(--orange); right: -280px; top: 54%; }

.site-header {
  width: min(calc(100% - 64px), var(--max));
  height: 92px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  position: relative;
  z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; }
.brand-mark {
  width: 48px;
  height: 48px;
  display: block;
  flex: 0 0 48px;
  overflow: hidden;
  color: transparent;
  font-size: 0;
  text-indent: -9999px;
  background: url("assets/zhiyue-logo-transparent.png") center / contain no-repeat;
  filter: drop-shadow(0 8px 18px rgba(17, 91, 210, .2));
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; letter-spacing: .08em; }
.brand small { color: var(--muted); font-size: 10px; margin-top: 3px; letter-spacing: .14em; }
.main-nav { display: flex; gap: 38px; color: var(--muted); font-size: 14px; }
.main-nav a { padding: 14px 0; position: relative; transition: color .2s ease; }
.main-nav a::after { content: ""; position: absolute; left: 50%; bottom: 4px; width: 0; height: 2px; background: var(--teal); transition: .2s ease; transform: translateX(-50%); }
.main-nav a:hover, .main-nav a.active { color: var(--text); }
.main-nav a:hover::after, .main-nav a.active::after { width: 18px; }
.header-cta { justify-self: end; border: 1px solid var(--line); padding: 12px 18px; border-radius: 4px; font-size: 13px; transition: .2s ease; }
.header-cta:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }
.header-cta span { margin-left: 8px; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 9px; }
.profile-trigger { border: 0; background: transparent; color: var(--muted); font-size: 11px; cursor: pointer; padding: 12px 8px; }
.profile-trigger:hover { color: var(--teal); }
.mobile-profile-trigger { display: none; }
.nav-toggle { display: none; }

.hero {
  width: min(calc(100% - 64px), var(--max));
  min-height: 690px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 72px;
  padding: 50px 0 95px;
}
.eyebrow { margin: 0 0 24px; color: var(--teal-soft); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 22px; height: 2px; background: var(--orange); vertical-align: middle; margin-right: 10px; }
.hero-theme-lockup { display: flex; align-items: flex-end; gap: 24px; width: fit-content; position: relative; }
.hero-theme-lockup::after { content: ""; position: absolute; left: 3px; right: 0; bottom: -17px; height: 6px; border-radius: 99px; background: linear-gradient(90deg, var(--orange), rgba(246,166,35,.16) 68%, transparent); }
.hero h1.hero-theme-title { margin: 0; font-size: clamp(76px, 8.2vw, 126px); letter-spacing: -.075em; line-height: .78; font-weight: 950; }
.hero-theme-title span { color: var(--text); }
.hero h1.hero-theme-title em { display: inline-block; margin-top: .22em; color: var(--orange); font-style: normal; text-shadow: 0 12px 44px rgba(246,166,35,.12); }
.hero-theme-title i { color: var(--teal); font-style: normal; }
.hero-theme-side { display: grid; gap: 2px; margin-bottom: 5px; padding: 12px 0 10px 18px; border-left: 1px solid rgba(91,211,204,.42); min-width: 112px; }
.hero-theme-side b { color: #d8e6ea; font-size: 9px; letter-spacing: .24em; line-height: 1.2; }
.hero-theme-side span { margin-top: 11px; color: var(--teal); font-size: 7px; letter-spacing: .15em; }
.hero-promise { margin: 47px 0 0; color: #d8e2e6; font-size: clamp(21px, 2vw, 29px); font-weight: 750; letter-spacing: -.02em; }
.hero-promise strong { color: var(--teal); }
.hero-lead { max-width: 660px; color: #aebdc5; font-size: 16px; line-height: 1.85; margin: 18px 0 28px; }
.hero-actions { display: grid; grid-template-columns: repeat(4, max-content); gap: 9px; align-items: stretch; }
.hero-actions .button { min-height: 48px; padding: 0 15px; gap: 8px; font-size: 12px; white-space: nowrap; }
.button { min-height: 48px; padding: 0 22px; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; gap: 15px; font-size: 14px; font-weight: 700; border: 1px solid transparent; transition: .22s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--orange), #ef8d20); color: #071522; box-shadow: 0 14px 35px rgba(246, 166, 35, .16); }
.button-primary:hover { box-shadow: 0 18px 42px rgba(246, 166, 35, .25); }
.button-ghost { border-color: rgba(255,255,255,.16); color: #d9e1e5; }
.button-ghost:hover { border-color: var(--teal); color: var(--teal); }
.button-cases { border-color: rgba(91,211,204,.48); color: var(--teal); background: rgba(91,211,204,.055); }
.button-cases:hover { border-color: var(--teal); color: #071522; background: var(--teal); box-shadow: 0 14px 34px rgba(91,211,204,.16); }
.button-major-catalog { border-color: rgba(255,255,255,.16); color: #c9d5da; background: rgba(255,255,255,.025); }
.button-major-catalog:hover { border-color: var(--orange); color: var(--orange); }
.hero-stats { display: flex; gap: 35px; margin-top: 45px; }
.hero-stats div { display: flex; align-items: baseline; gap: 8px; padding-right: 30px; border-right: 1px solid rgba(255,255,255,.1); }
.hero-stats div:last-child { border: 0; }
.hero-stats strong { color: var(--teal); font-size: 24px; font-variant-numeric: tabular-nums; }
.hero-stats span { color: var(--muted); font-size: 11px; }

.hero-visual { width: min(100%,560px); height: 560px; justify-self: end; display: grid; align-self: center; }
.hero-brand-signature { height: 100%; min-height: 520px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 28px; position: relative; overflow: hidden; padding: 44px 36px; text-align: center; border: 1px solid rgba(91,211,204,.22); border-left: 5px solid var(--orange); border-radius: 0 18px 18px 0; background: radial-gradient(circle at 50% 31%,rgba(91,211,204,.12),transparent 34%),linear-gradient(145deg,rgba(246,166,35,.13),rgba(91,211,204,.055) 58%,rgba(3,18,34,.36)); box-shadow: inset 0 1px rgba(255,255,255,.045),0 28px 70px rgba(0,0,0,.24); }
.hero-brand-signature::after { content: "ZHIYUE GROWTH ACADEMY"; position: absolute; right: 20px; bottom: 10px; color: rgba(91,211,204,.12); font-size: 8px; font-weight: 800; letter-spacing: .22em; }
.hero-logo-crop { flex: 0 0 260px; width: 260px; height: 248px; display: grid; place-items: center; position: relative; }
.hero-logo-crop img { position: static; width: 100%; height: 100%; max-width: 100%; object-fit: contain; filter: drop-shadow(0 22px 28px rgba(0,0,0,.32)); }
.hero-brand-copy { min-width: 0; display: grid; justify-items: center; }
.hero-brand-copy span { color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .21em; }
.hero-brand-copy strong { margin-top: 12px; color: var(--text); font-size: clamp(42px,3.5vw,54px); line-height: 1.12; letter-spacing: .045em; text-shadow: 0 10px 35px rgba(255,255,255,.07); }
.hero-brand-copy p { margin: 15px 0 0; color: #d6e1e5; font-size: 19px; line-height: 1.55; letter-spacing: .045em; }
.route-orbit { position: relative; width: 100%; min-height: 390px; justify-self: stretch; display: grid; grid-template-columns: minmax(230px,1fr) 112px; grid-template-rows: repeat(3,1fr); gap: 12px 24px; padding: 38px 28px 24px; border: 1px solid rgba(91,211,204,.2); border-radius: 10px; background: linear-gradient(145deg,rgba(10,36,56,.68),rgba(3,18,34,.42)); box-shadow: inset 0 0 90px rgba(91,211,204,.05),var(--shadow); overflow: hidden; }
.route-orbit::before { content: ""; position: absolute; width: 300px; height: 300px; right: -150px; bottom: -160px; border: 1px solid rgba(91,211,204,.12); border-radius: 50%; box-shadow: 0 0 0 38px rgba(91,211,204,.025),0 0 0 76px rgba(91,211,204,.018); }
.route-orbit::after { content: ""; position: absolute; left: calc(100% - 151px); top: 72px; bottom: 72px; border-left: 1px dashed rgba(91,211,204,.28); }
.orbit-grid { position: absolute; inset: 0; opacity: .07; background-image: linear-gradient(rgba(91,211,204,.3) 1px, transparent 1px),linear-gradient(90deg,rgba(91,211,204,.3) 1px,transparent 1px); background-size: 32px 32px; mask-image: linear-gradient(90deg,transparent,black 35%,black); }
.orbit-label { position: absolute; top: 15px; left: 28px; font-size: 9px; color: var(--muted); letter-spacing: .16em; text-transform: uppercase; }
.route-line { display: none; }
.route-node { position: relative; z-index: 2; width: 92px; height: 92px; align-self: center; justify-self: center; border-radius: 50%; display: grid; place-content: center; text-align: center; background: #092438; border: 1px solid var(--line-bright); box-shadow: 0 0 0 7px rgba(91,211,204,.05),0 12px 30px rgba(0,0,0,.3); }
.route-node b { color: var(--orange); font-size: 15px; margin-bottom: 4px; }
.route-node span { font-size: 11px; color: #cfdbdf; }
.node-a { grid-column: 2; grid-row: 1; }
.node-b { grid-column: 2; grid-row: 2; }
.node-c { grid-column: 2; grid-row: 3; }
.orbit-card { position: relative; z-index: 2; grid-column: 1; grid-row: 1 / 4; align-self: center; width: auto; padding: 26px; border: 1px solid rgba(246,166,35,.35); background: rgba(3,16,27,.9); backdrop-filter: blur(12px); box-shadow: var(--shadow); }
.pulse-dot { display: inline-block; width: 7px; height: 7px; background: var(--teal); border-radius: 50%; box-shadow: 0 0 0 6px rgba(91,211,204,.1); }
.orbit-card small { color: var(--teal); font-size: 10px; margin-left: 8px; }
.orbit-card strong { display: block; font-size: 19px; margin: 13px 0 8px; }
.orbit-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.route-section .route-orbit { width: 100%; min-height: 214px; margin: 0 0 46px; grid-template-columns: minmax(290px,1.5fr) repeat(3,120px); grid-template-rows: 1fr; gap: 18px; padding: 44px 32px 24px; }
.route-section .route-orbit::after { display: none; }
.route-section .orbit-card { grid-column: 1; grid-row: 1; align-self: center; }
.route-section .node-a { grid-column: 2; grid-row: 1; }
.route-section .node-b { grid-column: 3; grid-row: 1; }
.route-section .node-c { grid-column: 4; grid-row: 1; }

.route-section, .knowledge-nav-section, .library-section, .recommend-section { padding: 110px max(32px, calc((100vw - var(--max)) / 2)); }
.route-section, .knowledge-nav-section, .library-section, .recommend-section, .major-showcase, .case-showcase, .manifesto, #graph { scroll-margin-top: 28px; }
.route-section { background: rgba(0, 9, 17, .45); border-top: 1px solid rgba(255,255,255,.04); border-bottom: 1px solid rgba(255,255,255,.04); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 52px; }
.section-heading .eyebrow { margin-bottom: 15px; }
.section-heading h2 { font-size: clamp(34px, 4vw, 52px); margin: 0; letter-spacing: -.04em; }
.section-heading > p { max-width: 470px; color: var(--muted); line-height: 1.85; margin: 0 0 4px; font-size: 14px; }
.stage-track { display: grid; grid-template-columns: 1fr 70px 1fr 70px 1fr; align-items: center; }
.stage-card { min-height: 245px; padding: 32px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(10,36,56,.85), rgba(4,22,36,.7)); position: relative; overflow: hidden; transition: .25s ease; }
.stage-card::after { content: ""; position: absolute; inset: auto -60px -90px auto; width: 190px; height: 190px; border: 1px solid rgba(91,211,204,.15); border-radius: 50%; box-shadow: 0 0 0 30px rgba(91,211,204,.025), 0 0 0 60px rgba(91,211,204,.02); }
.stage-card:hover { transform: translateY(-6px); border-color: rgba(91,211,204,.65); }
.stage-number { color: var(--orange); font-size: 12px; font-weight: 800; margin-bottom: 42px; }
.stage-card p { color: var(--muted); font-size: 12px; margin: 0 0 9px; }
.stage-card h3 { font-size: 27px; margin: 0 0 26px; }
.stage-card > span { color: var(--teal); font-size: 12px; }
.stage-arrow { text-align: center; color: rgba(246,166,35,.7); font-size: 23px; }

.knowledge-nav-section { border-bottom: 1px solid rgba(255,255,255,.05); background: linear-gradient(150deg, rgba(4,21,35,.96), rgba(7,30,47,.82)); }
.knowledge-start { display: grid; grid-template-columns: .65fr 1.35fr; gap: 45px; align-items: center; margin-bottom: 26px; padding: 30px 34px; border: 1px solid rgba(246,166,35,.32); background: linear-gradient(105deg, rgba(246,166,35,.11), rgba(3,18,34,.66)); }
.knowledge-start-badge { display: inline-flex; margin-bottom: 14px; padding: 6px 9px; color: #071722; background: var(--orange); font-size: 9px; font-weight: 850; letter-spacing: .08em; }
.knowledge-start h3 { margin: 0; font-size: 25px; }
.knowledge-start ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0; padding: 0; list-style: none; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.08); }
.knowledge-start li { min-width: 0; padding: 18px; background: rgba(3,18,34,.92); }
.knowledge-start li b { display: block; margin-bottom: 12px; color: var(--teal); font-size: 10px; }
.knowledge-start li p { margin: 0; color: #b9c8cf; font-size: 12px; line-height: 1.75; }
.knowledge-nav-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.knowledge-nav-group { display: flex; flex-direction: column; min-width: 0; border: 1px solid rgba(91,211,204,.22); background: rgba(3,18,34,.74); }
.knowledge-nav-group > header { min-height: 158px; padding: 25px 25px 22px; border-bottom: 1px solid rgba(255,255,255,.07); }
.knowledge-nav-group > header span { color: var(--orange); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.knowledge-nav-group > header h3 { margin: 14px 0 9px; font-size: 23px; }
.knowledge-nav-group > header p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.knowledge-nav-group nav { display: flex; flex: 1; flex-direction: column; }
.knowledge-nav-group nav a { display: grid; grid-template-columns: 28px 1fr auto; gap: 11px; align-items: start; min-height: 102px; padding: 20px 21px; border-bottom: 1px solid rgba(255,255,255,.065); transition: .2s ease; }
.knowledge-nav-group nav a:last-child { border-bottom: 0; }
.knowledge-nav-group nav a:hover { background: rgba(91,211,204,.07); }
.knowledge-nav-group nav a > b { padding-top: 3px; color: var(--orange); font-size: 10px; }
.knowledge-nav-group nav strong { display: block; margin-bottom: 7px; font-size: 15px; line-height: 1.4; }
.knowledge-nav-group nav p { margin: 0; color: var(--muted-2); font-size: 11px; line-height: 1.65; }
.knowledge-nav-group nav i { color: var(--teal); font-size: 13px; font-style: normal; }
.knowledge-nav-footer { display: grid; grid-template-columns: 1.25fr .55fr .55fr; gap: 16px; margin-top: 16px; }
.knowledge-nav-footer > div, .knowledge-nav-footer > a { min-height: 118px; padding: 25px; border: 1px solid rgba(255,255,255,.09); background: rgba(3,18,34,.72); }
.knowledge-nav-footer span, .knowledge-nav-footer small { display: block; margin-bottom: 9px; color: var(--orange); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.knowledge-nav-footer p { max-width: 850px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.knowledge-nav-footer > a { transition: .2s ease; }
.knowledge-nav-footer > a:hover { border-color: var(--teal); background: rgba(91,211,204,.07); }
.knowledge-nav-footer strong { display: block; margin-bottom: 13px; font-size: 17px; }
.knowledge-nav-footer i { color: var(--teal); font-size: 10px; font-style: normal; }

.recommend-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: start; background: linear-gradient(145deg, rgba(8,31,49,.88), rgba(3,18,34,.98)); border-bottom: 1px solid rgba(255,255,255,.05); }
.knowledge-recommend { margin-top: 72px; padding: 70px 0 0; border-top: 1px solid rgba(91,211,204,.2); border-bottom: 0; background: transparent; }
.recommend-intro { position: sticky; top: 45px; }
.recommend-intro h2 { margin: 0 0 24px; font-size: clamp(36px, 4vw, 55px); line-height: 1.16; letter-spacing: -.05em; }
.recommend-intro > p:last-child { color: var(--muted); font-size: 14px; line-height: 1.9; max-width: 470px; }
.recommend-panel { border: 1px solid var(--line); background: rgba(3,17,29,.65); box-shadow: var(--shadow); }
.question-block { display: grid; grid-template-columns: 55px 1fr; gap: 20px; padding: 30px; border-bottom: 1px solid rgba(255,255,255,.07); }
.question-index { color: var(--orange); font-size: 11px; padding-top: 4px; font-weight: 800; }
.question-block h3 { margin: 0 0 18px; font-size: 16px; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice-row button { border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.025); color: var(--muted); font-size: 12px; padding: 9px 14px; cursor: pointer; transition: .2s ease; }
.choice-row button:hover, .choice-row button.active { border-color: var(--teal); color: #051722; background: var(--teal); }
.recommend-result { min-height: 118px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 27px 30px; background: linear-gradient(100deg, rgba(246,166,35,.12), rgba(91,211,204,.04)); }
.recommend-result small { color: var(--orange); font-size: 9px; letter-spacing: .15em; }
.recommend-result h3 { margin: 7px 0 0; font-size: 18px; }
.recommend-placeholder { color: var(--muted-2); font-size: 11px; border: 1px dashed rgba(255,255,255,.13); padding: 8px 10px; }
.route-recommendations { display: flex; flex: 1; justify-content: flex-end; gap: 7px; }
.route-recommendations a { width: 150px; min-height: 70px; padding: 12px; border: 1px solid rgba(91,211,204,.2); background: rgba(3,18,34,.72); display: grid; grid-template-columns: 25px 1fr auto; align-items: center; gap: 5px; transition: .2s ease; }
.route-recommendations a:hover { border-color: var(--teal); transform: translateY(-2px); }
.route-recommendations span { color: var(--orange); font-size: 9px; }
.route-recommendations strong { font-size: 11px; line-height: 1.45; }
.route-recommendations b { color: var(--teal); font-size: 11px; }

.library-section { padding-bottom: 130px; }
.library-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 34px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter { border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.025); padding: 10px 15px; font-size: 12px; color: var(--muted); cursor: pointer; border-radius: 3px; transition: .2s ease; }
.filter:hover, .filter.active { color: #061723; background: var(--teal); border-color: var(--teal); }
.search-wrap { width: min(340px, 100%); position: relative; z-index: 8; }
.search-box { width: 100%; border-bottom: 1px solid rgba(255,255,255,.18); display: flex; align-items: center; gap: 10px; padding: 9px 0; transition: border-color .2s ease; }
.search-box:focus-within { border-color: var(--teal); }
.search-box svg { width: 18px; fill: none; stroke: var(--muted); stroke-width: 1.8; }
.search-box input { flex: 1; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 13px; }
.search-box input::placeholder { color: var(--muted-2); }
.search-box kbd { border: 1px solid rgba(255,255,255,.12); color: var(--muted-2); padding: 2px 6px; border-radius: 3px; font-size: 10px; }
.search-results { position: absolute; top: calc(100% + 12px); right: 0; width: min(430px, 92vw); background: #071c2e; border: 1px solid rgba(91,211,204,.35); box-shadow: 0 28px 70px rgba(0,0,0,.5); padding: 8px; }
.search-results[hidden] { display: none; }
.search-results > p { color: var(--muted); font-size: 10px; margin: 7px 9px 9px; }
.search-results a { display: grid; grid-template-columns: 27px 1fr auto; gap: 9px; align-items: center; padding: 11px 10px; border-top: 1px solid rgba(255,255,255,.055); }
.search-results a:hover { background: rgba(91,211,204,.07); }
.search-results a > span { color: var(--orange); font-size: 9px; }
.search-results strong, .search-results small { display: block; }
.search-results strong { font-size: 12px; margin-bottom: 3px; }
.search-results small { color: var(--muted-2); font-size: 9px; }
.search-results b { color: var(--teal); font-size: 12px; }
.search-results mark { color: #061722; background: var(--orange); padding: 0 2px; }
.search-no-result { color: var(--muted); font-size: 12px; padding: 20px; text-align: center; }
.search-discovery { padding: 7px 9px 11px; }
.search-discovery + .search-discovery { border-top: 1px solid rgba(255,255,255,.06); }
.search-discovery p { color: var(--muted-2); font-size: 9px; margin: 0 0 9px; }
.search-discovery > div { display: flex; flex-wrap: wrap; gap: 7px; }
.search-discovery button { border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.025); color: #bbc8ce; padding: 6px 9px; font-size: 10px; cursor: pointer; }
.search-discovery button:hover { color: var(--teal); border-color: var(--teal); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.guide-card { background: linear-gradient(160deg, rgba(8,31,49,.98), rgba(4,20,33,.96)); border: 1px solid rgba(91,211,204,.22); position: relative; transition: .3s ease; overflow: hidden; }
.guide-card[hidden] { display: none; }
.guide-card:hover { transform: translateY(-7px); border-color: rgba(91,211,204,.6); box-shadow: 0 25px 55px rgba(0,0,0,.25); }
.guide-image { display: block; aspect-ratio: 16 / 9; overflow: hidden; position: relative; background: #0a1d2c; }
.guide-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(2,13,23,.82)); }
.guide-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.guide-card:hover .guide-image img { transform: scale(1.035); }
.card-stage, .card-status { position: absolute; z-index: 2; top: 13px; font-size: 10px; padding: 6px 9px; backdrop-filter: blur(12px); }
.card-stage { right: 13px; background: rgba(3,18,34,.82); border: 1px solid rgba(91,211,204,.4); color: var(--teal-soft); }
.card-status { left: 13px; color: #c5d1d7; background: rgba(3,18,34,.8); border: 1px solid rgba(255,255,255,.12); }
.card-status.ready { color: #092019; background: rgba(97,221,214,.88); border-color: var(--teal); }
.guide-content { display: grid; grid-template-columns: 54px 1fr; gap: 14px; padding: 25px 24px 17px; }
.guide-number { color: var(--orange); font-size: 13px; font-weight: 800; padding-top: 5px; }
.guide-copy > p:first-child { color: var(--teal); font-size: 10px; margin: 0 0 8px; }
.guide-copy h3 { font-size: 21px; margin: 0; }
.guide-copy h3 a { transition: color .2s ease; }
.guide-copy h3 a:hover { color: var(--orange); }
.guide-description { color: var(--muted); font-size: 12px; line-height: 1.8; min-height: 66px; margin: 14px 0 0; }
.guide-link { display: flex; justify-content: space-between; align-items: center; padding: 14px 24px; border-top: 1px solid rgba(255,255,255,.07); color: #cbd7dd; font-size: 11px; transition: .2s ease; }
.guide-link span:last-child { color: var(--orange); font-size: 17px; }
.guide-link:hover { background: rgba(91,211,204,.06); color: var(--teal); }
.empty-state { padding: 70px; text-align: center; border: 1px dashed var(--line); color: var(--muted); }

.major-showcase { padding: 110px max(5vw,calc((100vw - 1320px)/2)); border-top: 1px solid rgba(255,255,255,.05); background: radial-gradient(circle at 85% 45%,rgba(246,166,35,.08),transparent 27%),linear-gradient(145deg,rgba(3,18,34,.92),rgba(7,30,47,.76)); }
.major-feature { display: grid; grid-template-columns: 1.28fr .72fr; border: 1px solid rgba(246,166,35,.32); background: linear-gradient(135deg,rgba(8,32,49,.98),rgba(3,16,27,.95)); box-shadow: var(--shadow); }
.major-feature-copy { padding: 52px; }
.major-badge { display: inline-flex; padding: 7px 10px; color: #071722; background: var(--orange); font-size: 10px; font-weight: 850; }
.major-kicker { margin: 29px 0 10px; color: var(--teal); font-size: 12px; font-weight: 750; letter-spacing: .08em; }
.major-feature-copy h3 { max-width: 760px; margin: 0; color: var(--text); font-size: clamp(30px,3.3vw,49px); line-height: 1.22; letter-spacing: -.035em; }
.major-description { max-width: 770px; margin: 23px 0 0; color: #aebec6; font-size: 14px; line-height: 1.95; }
.major-plan-points { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin-top: 30px; border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.08); }
.major-plan-points span { padding: 14px 12px; color: #cad6db; background: rgba(3,18,34,.9); font-size: 10px; text-align: center; }
.major-feature-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 31px; }
.major-catalog-board { display: grid; grid-template-columns: 1fr 1fr; align-content: center; gap: 1px; padding: 28px; background: rgba(255,255,255,.035); }
.major-total { grid-column: 1/-1; min-height: 210px; display: flex; flex-direction: column; justify-content: center; padding: 30px; background: linear-gradient(145deg,rgba(246,166,35,.15),rgba(3,18,34,.86)); }
.major-total small { color: var(--teal); font-size: 8px; font-weight: 800; letter-spacing: .18em; }
.major-total strong { margin: 9px 0 2px; color: var(--orange); font-size: clamp(58px,6vw,86px); line-height: 1; font-variant-numeric: tabular-nums; }
.major-total span { color: #d4dfe3; font-size: 12px; }
.major-catalog-board > a { min-height: 130px; display: flex; flex-direction: column; justify-content: center; padding: 23px; background: rgba(3,18,34,.9); transition: .2s ease; }
.major-catalog-board > a:hover { background: rgba(91,211,204,.08); }
.major-catalog-board > a b { color: var(--teal); font-size: 29px; }
.major-catalog-board > a span { margin-top: 4px; color: #d2dde1; font-size: 11px; }
.major-catalog-board > a i { margin-top: 14px; color: var(--orange); font-size: 9px; font-style: normal; }
.major-catalog-board > p { grid-column: 1/-1; margin: 0; padding: 18px 7px 0; color: var(--muted-2); font-size: 10px; line-height: 1.75; }

.case-showcase { padding: 110px max(5vw, calc((100vw - 1320px)/2)); border-top: 1px solid var(--line); }
.case-feature { display: grid; grid-template-columns: 1.55fr .75fr; border: 1px solid rgba(91,211,204,.28); background: linear-gradient(135deg, rgba(7,31,49,.97), rgba(3,17,29,.94)); }
.case-feature-copy { padding: 48px; }
.case-badge { display: inline-flex; color: #092019; background: var(--teal); padding: 7px 10px; font-size: 10px; font-weight: 800; }
.case-quote { max-width: 820px; margin: 26px 0 18px; color: #e8f2f4; font-size: clamp(21px, 2.1vw, 34px); font-weight: 800; line-height: 1.45; letter-spacing: -.025em; }
.case-feature-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.case-feature-meta span { border: 1px solid rgba(255,255,255,.12); color: var(--teal-soft); padding: 6px 9px; font-size: 9px; }
.case-feature-copy h3 { font-size: 20px; margin: 0 0 12px; }
.case-feature-copy > p:last-of-type { color: var(--muted); font-size: 12px; line-height: 1.8; }
.case-feature-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.case-catalog-preview { display: grid; grid-template-columns: 1fr 1fr; align-content: center; gap: 1px; padding: 28px; background: rgba(255,255,255,.04); }
.case-catalog-preview > div { min-height: 118px; padding: 24px; background: rgba(3,18,34,.86); display: flex; flex-direction: column; justify-content: center; }
.case-catalog-preview strong { color: var(--orange); font-size: 30px; }
.case-catalog-preview span { color: var(--muted); font-size: 10px; margin-top: 7px; }
.case-catalog-preview p { grid-column: 1 / -1; color: #9aacb5; font-size: 11px; line-height: 1.8; padding: 18px 8px 0; margin: 0; }

.manifesto { width: min(calc(100% - 64px), var(--max)); margin: 0 auto 110px; padding: 80px; background: linear-gradient(115deg, #e59b25, #f4b23e); color: #061725; display: grid; grid-template-columns: 1fr .85fr; gap: 80px; align-items: end; position: relative; overflow: hidden; }
.manifesto::after { content: "知"; position: absolute; right: -20px; top: -70px; font-size: 300px; font-weight: 900; color: rgba(255,255,255,.12); line-height: 1; }
.manifesto .eyebrow { color: #19313e; }
.manifesto .eyebrow span { background: #061725; }
.manifesto h2 { margin: 0; font-size: clamp(36px, 4vw, 58px); letter-spacing: -.05em; line-height: 1.18; }
.manifesto h2 strong { color: #fff9e9; }
.manifesto-body { position: relative; z-index: 1; }
.manifesto-body p { margin: 0 0 26px; font-size: 15px; line-height: 1.9; }
.manifesto-body a { display: inline-flex; border-bottom: 2px solid #061725; gap: 28px; padding-bottom: 6px; font-weight: 800; font-size: 14px; }

footer { width: min(calc(100% - 64px), var(--max)); margin: 0 auto; min-height: 130px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: var(--muted-2); font-size: 11px; border-top: 1px solid rgba(255,255,255,.07); }
footer p:last-child { justify-self: end; }
.footer-brand .brand-mark { width: 38px; height: 38px; flex-basis: 38px; }

.profile-dialog { width: min(900px, calc(100vw - 32px)); border: 1px solid var(--line); padding: 0; background: #061927; color: var(--text); box-shadow: 0 35px 120px #000; }
.profile-dialog::backdrop { background: rgba(0,7,13,.86); backdrop-filter: blur(7px); }
.profile-close { position: absolute; right: 14px; top: 14px; }
.profile-layout { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 500px; }
.profile-form { padding: 48px; }
.profile-form .eyebrow { margin-bottom: 16px; }
.profile-form h2 { font-size: 34px; margin: 0 0 10px; }
.profile-form > p:not(.eyebrow) { color: var(--muted); font-size: 12px; line-height: 1.7; margin-bottom: 25px; }
.profile-form label { display: grid; gap: 7px; color: #bbc9d0; font-size: 11px; margin-bottom: 15px; }
.profile-form input, .profile-form select { width: 100%; height: 43px; border: 1px solid rgba(255,255,255,.12); background: #03121f; color: var(--text); padding: 0 12px; outline: 0; }
.profile-form input:focus, .profile-form select:focus { border-color: var(--teal); }
.profile-form .button { margin-top: 6px; }
.profile-overview { padding: 50px 34px; background: linear-gradient(160deg, rgba(246,166,35,.13), rgba(91,211,204,.04)); border-left: 1px solid rgba(255,255,255,.08); }
.profile-overview > small { color: var(--orange); font-size: 10px; }
.profile-overview > strong { display: block; font-size: 54px; margin: 18px 0 13px; }
.profile-progress-bar { height: 5px; background: rgba(255,255,255,.09); }
.profile-progress-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--orange)); }
.profile-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 28px 0; }
.profile-metrics div { padding: 15px; border: 1px solid rgba(255,255,255,.1); }
.profile-metrics b, .profile-metrics span { display: block; }
.profile-metrics b { color: var(--teal); font-size: 22px; }
.profile-metrics span { color: var(--muted); font-size: 9px; margin-top: 5px; }
.continue-reading { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); }
.continue-reading > small { color: var(--muted-2); font-size: 9px; }
.continue-reading a { display: flex; justify-content: space-between; gap: 12px; margin-top: 11px; }
.continue-reading strong { font-size: 13px; }
.continue-reading span { color: var(--orange); font-size: 10px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Article */
.reading-progress { position: fixed; z-index: 80; top: 0; left: 0; right: 0; height: 3px; background: rgba(255,255,255,.04); }
.reading-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--teal), var(--orange)); transition: width .1s linear; }
.article-header { border-bottom: 1px solid rgba(255,255,255,.07); }
.back-link { grid-column: 3; justify-self: end; color: var(--muted); font-size: 13px; }
.back-link:hover { color: var(--teal); }
.article-header-actions { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 20px; }
.article-header-actions .back-link { grid-column: auto; }
.account-link { color: var(--teal); font-size: 12px; border: 1px solid var(--line); padding: 10px 13px; }
.account-link:hover { border-color: var(--teal); }
.article-shell { width: min(calc(100% - 48px), 1500px); margin: 0 auto; display: grid; grid-template-columns: 245px minmax(0, 820px) 280px; justify-content: center; gap: 44px; padding: 64px 0 100px; }
.article-sidebar, .article-aside { position: sticky; top: 35px; align-self: start; max-height: calc(100vh - 70px); overflow: auto; scrollbar-width: thin; scrollbar-color: rgba(91,211,204,.28) transparent; }
.sidebar-kicker { color: var(--teal); font-size: 14px; letter-spacing: .14em; margin: 0 0 22px; }
#guide-nav { display: grid; gap: 3px; }
#guide-nav a { display: grid; grid-template-columns: 34px 1fr; align-items: center; padding: 13px 11px; border-left: 2px solid transparent; color: var(--muted-2); transition: .2s ease; }
#guide-nav a:hover { color: var(--text); background: rgba(255,255,255,.03); }
#guide-nav a.active { color: var(--text); border-left-color: var(--orange); background: rgba(246,166,35,.07); }
#guide-nav span { font-size: 11px; color: var(--orange); }
#guide-nav strong { font-size: 15px; line-height: 1.5; font-weight: 650; }
.sidebar-chapters { margin: 5px 0 11px 36px; border-left: 1px solid rgba(91,211,204,.18); }
#guide-nav .sidebar-chapters a { display: block; padding: 10px 12px; border: 0; background: transparent; font-size: 14px; line-height: 1.65; color: var(--muted-2); }
#guide-nav .sidebar-chapters a:hover { color: var(--teal); }
.article-main { min-width: 0; }
.article-hero { padding-bottom: 45px; border-bottom: 1px solid rgba(255,255,255,.08); }
.article-meta { display: flex; gap: 10px; margin-bottom: 45px; }
.article-meta span { border: 1px solid var(--line); color: var(--teal); padding: 6px 10px; font-size: 10px; }
.article-meta span:last-child { color: var(--muted); border-color: rgba(255,255,255,.1); }
.article-index { color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .12em; margin: 0 0 16px; }
.article-hero h1 { margin: 0; font-size: clamp(48px, 6vw, 78px); line-height: 1.05; letter-spacing: -.055em; }
.article-subtitle { font-size: 23px; color: #b8c8d0; margin: 17px 0 22px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article-tags span { color: var(--teal); border: 1px solid rgba(91,211,204,.2); background: rgba(91,211,204,.05); padding: 7px 10px; font-size: 10px; }
.article-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.utility-button { padding: 9px 13px; border: 1px solid rgba(255,255,255,.13); background: transparent; color: var(--muted); font-size: 11px; cursor: pointer; transition: .2s ease; }
.utility-button:hover, .utility-button.active { border-color: var(--orange); color: var(--orange); background: rgba(246,166,35,.06); }
.article-cover-wrap { margin: 48px 0 70px; border: 1px solid var(--line); padding: 9px; background: #061827; box-shadow: var(--shadow); }
.article-cover-wrap img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-intro, .chapter-section { margin-bottom: 80px; }
.section-label { color: var(--orange); letter-spacing: .18em; font-size: 10px; font-weight: 800; }
.article-main section h2 { font-size: 34px; margin: 12px 0 20px; letter-spacing: -.035em; }
.article-intro > p:not(.section-label) { color: #b8c7cf; font-size: 17px; line-height: 2; margin-bottom: 28px; }
.source-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.availability { color: var(--muted); font-size: 11px; }
.availability i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); margin-right: 7px; box-shadow: 0 0 0 5px rgba(91,211,204,.08); }
.pending-note { color: var(--muted); border-left: 2px solid var(--orange); background: rgba(246,166,35,.055); padding: 13px 16px; font-size: 12px; }
.trust-panel { display: grid; grid-template-columns: .7fr .9fr 1.4fr; margin-top: 28px; border: 1px solid rgba(255,255,255,.08); }
.trust-panel div { padding: 16px; border-right: 1px solid rgba(255,255,255,.08); }
.trust-panel div:last-child { border: 0; }
.trust-panel small, .trust-panel strong { display: block; }
.trust-panel small { color: var(--muted-2); font-size: 9px; margin-bottom: 6px; }
.trust-panel strong { color: #c9d5da; font-size: 10px; line-height: 1.5; }
.content-edition { color: var(--muted); font-size: 12px; line-height: 1.8; margin: -8px 0 25px; padding-left: 13px; border-left: 2px solid var(--orange); }
.chapter-list { border-top: 1px solid rgba(255,255,255,.1); }
.chapter-list details { border-bottom: 1px solid rgba(255,255,255,.08); scroll-margin-top: 25px; }
.chapter-list summary { display: grid; grid-template-columns: 65px 1fr; gap: 16px; padding: 34px 0; cursor: pointer; list-style: none; }
.chapter-list summary::-webkit-details-marker { display: none; }
.chapter-list summary:focus-visible { outline: 2px solid var(--teal); outline-offset: 5px; }
.chapter-index { color: var(--orange); font-size: 11px; font-weight: 800; padding-top: 5px; }
.chapter-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.chapter-toggle { display: inline-flex; align-items: center; gap: 9px; flex: none; color: var(--teal); font-size: 9px; font-weight: 700; letter-spacing: .08em; }
.chapter-toggle i { display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid rgba(91,211,204,.35); border-radius: 50%; font-style: normal; font-size: 14px; transition: transform .2s ease; }
.chapter-list details[open] .chapter-toggle i { transform: rotate(45deg); }
.chapter-list details[open] .chapter-toggle b { font-size: 0; }
.chapter-list details[open] .chapter-toggle b::after { content: "收起"; font-size: 9px; }
.chapter-list h3 { margin: 0 0 9px; font-size: 18px; }
.chapter-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.chapter-expanded { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: -8px 0 30px 81px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.08); }
.chapter-expanded > div { padding: 18px; background: rgba(6,25,41,.98); }
.chapter-expanded small { display: block; color: var(--teal); font-size: 9px; font-weight: 800; letter-spacing: .1em; margin-bottom: 8px; }
.chapter-expanded p { color: #a9bac3; font-size: 11px; line-height: 1.75; }
.dictionary-search { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin: 24px 0; }
.dictionary-search label { flex: 1; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(91,211,204,.3); background: rgba(4,20,34,.85); padding: 12px 15px; }
.dictionary-search label > span { color: var(--teal); font-size: 18px; }
.dictionary-search input { flex: 1; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; font: inherit; font-size: 12px; }
.dictionary-search input::placeholder { color: var(--muted-2); }
.dictionary-search kbd { color: var(--muted-2); border: 1px solid rgba(255,255,255,.12); border-radius: 3px; padding: 2px 6px; font-size: 9px; }
.dictionary-search > p { flex: none; margin: 0; color: var(--muted); font-size: 10px; }
.dictionary-chapter-expanded { margin: -8px 0 35px 81px; border-left: 1px solid rgba(91,211,204,.24); padding-left: 20px; }
.dictionary-chapter-meta { display: flex; align-items: center; justify-content: space-between; gap: 15px; color: var(--muted); font-size: 9px; margin-bottom: 12px; }
.dictionary-chapter-meta a { color: var(--teal); }
.dictionary-term-toc { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin-bottom: 20px; border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.08); }
.dictionary-term-toc a { min-width: 0; display: flex; align-items: center; gap: 10px; padding: 11px 13px; background: rgba(3,18,34,.94); color: #b9c9d0; font-size: 11px; transition: .18s ease; }
.dictionary-term-toc a span { flex: 0 0 auto; color: var(--orange); font-size: 9px; font-weight: 800; }
.dictionary-term-toc a:hover { background: rgba(91,211,204,.1); color: var(--text); }
.dictionary-term-list { border-top: 1px solid rgba(255,255,255,.08); }
.dictionary-term { border-bottom: 1px solid rgba(255,255,255,.075); scroll-margin-top: 20px; }
.dictionary-term[hidden], .dictionary-chapter[hidden] { display: none; }
.dictionary-term > summary { display: grid; grid-template-columns: 46px 1fr 24px; gap: 14px; align-items: start; padding: 22px 0; cursor: pointer; list-style: none; }
.dictionary-term > summary::-webkit-details-marker { display: none; }
.dictionary-term-number { color: var(--orange); font-size: 10px; font-weight: 800; letter-spacing: .08em; padding-top: 5px; }
.dictionary-term h4 { margin: 0 0 9px; font-size: 20px; }
.dictionary-term h4 small { color: var(--orange); font-size: 10px; letter-spacing: 0; margin-left: 7px; }
.dictionary-term > summary p { margin: 0; color: #b7c6ce; font-size: 14px; line-height: 1.85; }
.dictionary-term > summary > i { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid rgba(91,211,204,.3); border-radius: 50%; color: var(--teal); font-style: normal; transition: transform .2s ease; }
.dictionary-term[open] > summary > i { transform: rotate(45deg); }
.dictionary-term-content { padding: 0 0 24px 60px; }
.dictionary-term-content section { margin: 0 0 15px; padding: 20px 22px; border: 1px solid rgba(255,255,255,.07); background: rgba(4,20,34,.55); }
.dictionary-term-content h5 { margin: 0 0 10px; color: var(--teal); font-size: 12px; }
.dictionary-term-content p { margin: 0; color: #c5d1d7; font-size: 15px; line-height: 1.95; white-space: pre-line; }
.full-guide-page[hidden] { display: none; }
.chapter-list > details { scroll-margin-top: 96px; }
.full-guide-page-expanded { margin: -8px 0 44px 81px; border-left: 1px solid rgba(91,211,204,.25); padding-left: 26px; }
.full-guide-page-meta { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 26px; padding: 12px 14px; border: 1px solid rgba(255,255,255,.08); background: rgba(3,18,34,.96); color: var(--muted); font-size: 11px; backdrop-filter: blur(12px); }
.full-guide-page-meta a { color: var(--teal); }
.guide-page-body { color: #d3dde1; font-size: 16px; line-height: 2; overflow-wrap: anywhere; }
.chapter-list .guide-page-body p { margin: 0 0 8px; color: #d3dde1; font-size: 16px; line-height: 2; }
.chapter-list .guide-page-body h4 { margin: 30px 0 14px; padding-left: 13px; border-left: 3px solid var(--orange); color: var(--text); font-size: 21px; line-height: 1.55; }
.chapter-list .guide-page-body h4:first-child { margin-top: 0; }
.chapter-list .guide-page-body .guide-text-bullet { color: #c6d8de; }
.guide-inline-toc { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 3px 0; padding: 12px 14px; border-left: 2px solid rgba(91,211,204,.3); color: #d3dde1; transition: .18s ease; }
.guide-inline-toc small { flex: 0 0 auto; color: var(--teal); font-size: 10px; opacity: 0; transform: translateX(-5px); transition: .18s ease; }
.guide-inline-toc:hover { border-left-color: var(--orange); background: rgba(91,211,204,.07); color: var(--text); transform: translateX(4px); }
.guide-inline-toc:hover small { opacity: 1; transform: translateX(0); }
.guide-text-break { display: block; height: 13px; }
.guide-page-body mark { padding: 1px 3px; border-radius: 2px; background: #f6a623; color: #061421; }
.playbook-section { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 80px; }
.playbook-card { border: 1px solid var(--line); background: rgba(7,28,46,.66); padding: 27px; }
.playbook-card { scroll-margin-top: 25px; }
.playbook-card h2 { font-size: 23px !important; }
.playbook-card ol, .playbook-card ul { margin: 22px 0 0; padding: 0; list-style: none; counter-reset: steps; }
.playbook-card li { position: relative; color: #b8c7ce; font-size: 11px; line-height: 1.7; padding: 12px 0 12px 30px; border-top: 1px solid rgba(255,255,255,.065); }
.action-card li { counter-increment: steps; }
.action-card li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; color: var(--teal); font-size: 9px; }
.pitfall-card li::before { content: "×"; position: absolute; left: 4px; color: var(--orange); font-weight: 900; }
.next-step { padding: 50px; border: 1px solid rgba(246,166,35,.3); background: linear-gradient(145deg, rgba(246,166,35,.09), rgba(7,28,46,.85)); }
.next-step > span { color: var(--orange); font-size: 11px; }
.next-step p { color: var(--muted); line-height: 1.8; font-size: 13px; margin-bottom: 25px; }
.next-step-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.related-section { margin-top: 82px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.related-grid a { padding: 23px; border: 1px solid var(--line); background: rgba(7,28,46,.64); transition: .2s ease; }
.related-grid a:hover { border-color: var(--teal); transform: translateY(-3px); }
.related-grid span { color: var(--teal); font-size: 9px; }
.related-grid strong { display: block; font-size: 17px; margin: 10px 0; }
.related-grid p { color: var(--muted); font-size: 11px; line-height: 1.7; min-height: 57px; }
.related-grid b { color: var(--orange); font-size: 10px; }
.article-pagination { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 60px; border-top: 1px solid rgba(255,255,255,.08); padding-top: 25px; }
.article-pagination a { padding: 14px 0; color: var(--muted); }
.article-pagination a.next { text-align: right; }
.article-pagination small, .article-pagination strong { display: block; }
.article-pagination small { color: var(--orange); font-size: 9px; margin-bottom: 7px; }
.article-pagination strong { font-size: 13px; }
.article-pagination a:hover strong { color: var(--teal); }
.map-card, .aside-note { border: 1px solid var(--line); background: rgba(7,28,46,.82); box-shadow: var(--shadow); }
.aside-graph-link { display: block; margin-top: 18px; padding: 18px; border: 1px solid rgba(91,211,204,.25); background: rgba(91,211,204,.055); transition: .2s ease; }
.aside-graph-link:hover { border-color: var(--teal); transform: translateY(-2px); }
.aside-graph-link small, .aside-graph-link strong, .aside-graph-link span { display: block; }
.aside-graph-link small { color: var(--teal); font-size: 8px; letter-spacing: .12em; }
.aside-graph-link strong { margin: 8px 0; font-size: 13px; }
.aside-graph-link span { color: var(--orange); font-size: 9px; }
.toc-card { border: 1px solid rgba(255,255,255,.1); background: rgba(7,28,46,.66); margin-bottom: 18px; padding: 18px; }
.aside-related { border: 1px solid rgba(255,255,255,.1); background: rgba(7,28,46,.66); margin-bottom: 18px; padding: 18px; }
#aside-related-list { margin-top: 13px; border-top: 1px solid rgba(255,255,255,.07); }
#aside-related-list a { display: grid; grid-template-columns: 22px 1fr auto; gap: 7px; align-items: center; padding: 11px 2px; border-bottom: 1px solid rgba(255,255,255,.05); }
#aside-related-list a > span { color: var(--orange); font-size: 8px; }
#aside-related-list strong, #aside-related-list small { display: block; }
#aside-related-list strong { font-size: 10px; margin-bottom: 3px; }
#aside-related-list small { color: var(--muted-2); font-size: 8px; }
#aside-related-list b { color: var(--teal); font-size: 10px; }
.toc-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.toc-head small, .toc-head strong { display: block; }
.toc-head small { color: var(--teal); font-size: 9px; margin-bottom: 5px; }
.toc-head strong { font-size: 14px; }
.toc-head > span { color: var(--orange); font-size: 11px; font-weight: 800; }
#article-toc { margin-top: 14px; border-top: 1px solid rgba(255,255,255,.07); }
#article-toc a, #mobile-toc-nav a { display: grid; grid-template-columns: 28px 1fr; gap: 8px; color: var(--muted-2); padding: 10px 2px; font-size: 12px; line-height: 1.55; border-bottom: 1px solid rgba(255,255,255,.045); transition: .2s ease; }
#article-toc a span, #mobile-toc-nav a span { color: var(--orange); font-size: 10px; }
#article-toc a:hover, #article-toc a.active, #mobile-toc-nav a.active { color: var(--text); }
.map-card { padding: 14px; }
.map-card-head { display: flex; justify-content: space-between; align-items: center; padding: 7px 3px 16px; }
.map-card-head small, .map-card-head strong { display: block; }
.map-card-head small { color: var(--teal); font-size: 9px; margin-bottom: 5px; }
.map-card-head strong { font-size: 14px; }
.map-card-head > span { color: var(--orange); }
.map-preview { border: 0; padding: 0; width: 100%; cursor: zoom-in; background: #fff; overflow: hidden; }
.map-preview img { width: 100%; aspect-ratio: 1 / .8; object-fit: cover; object-position: top; transition: transform .35s ease; }
.map-preview:hover img { transform: scale(1.035); }
.map-card > p { margin: 12px 3px 2px; color: var(--muted-2); font-size: 10px; }
.aside-note { margin-top: 18px; padding: 20px; }
.aside-note span { color: var(--orange); font-size: 10px; }
.aside-note p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.map-dialog { width: min(94vw, 1400px); height: 90vh; border: 1px solid var(--line); padding: 42px 14px 14px; background: #051523; overflow: auto; box-shadow: 0 30px 100px #000; }
.map-dialog::backdrop { background: rgba(0, 7, 13, .88); backdrop-filter: blur(7px); }
.map-dialog img { width: 100%; height: auto; }
.dialog-close { position: fixed; right: calc(3vw + 10px); top: 3vh; z-index: 2; width: 35px; height: 35px; border: 1px solid rgba(255,255,255,.2); background: #071c2e; cursor: pointer; font-size: 22px; }
.profile-dialog .profile-close { position: absolute; right: 14px; top: 14px; }
.mobile-toc-toggle, .mobile-toc { display: none; }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; gap: 64px; }
  .hero-copy { max-width: 900px; }
  .hero-visual { width: min(760px, 100%); height: auto; max-width: 100%; justify-self: center; }
  .hero-brand-signature { min-height: 500px; }
  .route-orbit { max-width: 100%; }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .recommend-section { grid-template-columns: 1fr; gap: 40px; }
  .recommend-intro { position: static; }
  .recommend-result { display: block; }
  .route-recommendations { margin-top: 18px; justify-content: flex-start; }
  .knowledge-start { grid-template-columns: 1fr; gap: 22px; }
  .knowledge-start ol { grid-template-columns: 1fr 1fr 1fr; }
  .article-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .article-aside { grid-column: 2; position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .aside-note { margin: 0; }
  .major-feature { grid-template-columns: 1fr; }
  .major-catalog-board { grid-template-columns: 1.2fr 1fr 1fr; }
  .major-total { grid-column: auto; min-height: 170px; }
  .major-catalog-board > p { grid-column: 1/-1; }
}

@media (max-width: 800px) {
  .site-header { width: calc(100% - 34px); height: 76px; grid-template-columns: 1fr auto; }
  .header-cta { display: none; }
  .header-actions { display: none; }
  .nav-toggle { display: grid; gap: 6px; place-content: center; width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; cursor: pointer; }
  .nav-toggle span { width: 18px; height: 1px; background: var(--text); }
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; padding: 18px; background: #071c2e; border: 1px solid var(--line); box-shadow: var(--shadow); flex-direction: column; gap: 0; }
  .main-nav.open { display: flex; }
  .mobile-profile-trigger { display: block; text-align: left; border: 0; border-top: 1px solid rgba(255,255,255,.07); background: transparent; color: var(--teal); padding: 15px 0; }
  .hero { width: calc(100% - 34px); grid-template-columns: 1fr; padding-top: 60px; }
  .hero h1.hero-theme-title { font-size: clamp(70px, 19vw, 104px); }
  .route-orbit { justify-self: center; width: min(100%, 520px); }
  .hero-stats { gap: 20px; }
  .hero-stats div { padding-right: 16px; }
  .route-section, .knowledge-nav-section, .library-section, .recommend-section, .major-showcase, .case-showcase { padding: 85px 17px; }
  .knowledge-recommend { margin-top: 55px; padding: 55px 0 0; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 20px; }
  .stage-track { grid-template-columns: 1fr; gap: 12px; }
  .stage-arrow { transform: rotate(90deg); }
  .knowledge-start { padding: 24px 20px; }
  .knowledge-start ol, .knowledge-nav-groups, .knowledge-nav-footer { grid-template-columns: 1fr; }
  .knowledge-nav-group > header { min-height: auto; }
  .library-toolbar { align-items: stretch; flex-direction: column; }
  .search-box { width: 100%; }
  .manifesto { width: calc(100% - 34px); padding: 46px 28px; grid-template-columns: 1fr; gap: 35px; }
  footer { width: calc(100% - 34px); grid-template-columns: 1fr; gap: 15px; padding: 35px 0; }
  footer p, footer p:last-child { justify-self: start; margin: 0; }
  .article-header { display: flex; justify-content: space-between; }
  .article-header-actions { display: flex; gap: 10px; }
  .article-shell { width: calc(100% - 34px); grid-template-columns: 1fr; padding-top: 35px; }
  .article-sidebar { display: none; }
  .article-aside { grid-column: 1; grid-template-columns: 1fr; }
  .toc-card { display: none; }
  .article-hero h1 { font-size: 52px; }
  .mobile-toc-toggle { display: block; position: fixed; right: 16px; bottom: 16px; z-index: 45; border: 1px solid var(--teal); background: rgba(7,28,46,.94); color: var(--teal); padding: 11px 14px; box-shadow: var(--shadow); font-size: 11px; }
  .mobile-toc { display: block; position: fixed; z-index: 60; left: 12px; right: 12px; bottom: 12px; max-height: 70vh; overflow: auto; background: #071c2e; border: 1px solid var(--line); padding: 18px; box-shadow: 0 25px 80px #000; transform: translateY(calc(100% + 30px)); opacity: 0; transition: .22s ease; }
  .mobile-toc[hidden] { display: none; }
  .mobile-toc.open { transform: translateY(0); opacity: 1; }
  .mobile-toc-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .mobile-toc-head button { background: transparent; border: 0; color: var(--muted); font-size: 22px; }
  #mobile-toc-nav a { padding: 12px 2px; font-size: 11px; }
  .profile-layout { grid-template-columns: 1fr; }
  .profile-overview { border-left: 0; border-top: 1px solid rgba(255,255,255,.08); }
  .case-feature { grid-template-columns: 1fr; }
  .major-feature-copy { padding: 36px 27px; }
  .major-plan-points { grid-template-columns: 1fr 1fr; }
  .major-catalog-board { grid-template-columns: 1fr 1fr; padding: 18px; }
  .major-total { grid-column: 1/-1; }
}

@media (max-width: 560px) {
  .brand small { display: none; }
  .hero { min-height: auto; padding-bottom: 70px; }
  .hero-theme-lockup { gap: 12px; }
  .hero h1.hero-theme-title { font-size: clamp(64px, 18.2vw, 88px); }
  .hero-theme-side { min-width: 74px; padding-left: 10px; }
  .hero-theme-side b { font-size: 7px; letter-spacing: .14em; }
  .hero-theme-side span { font-size: 6px; }
  .hero-promise { margin-top: 39px; font-size: 20px; line-height: 1.5; }
  .hero-lead { font-size: 15px; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-actions .button { padding: 0 13px; font-size: 12px; }
  .hero-actions .button-cases,
  .hero-actions .button-major-catalog { grid-column: auto; }
  .hero-stats strong { font-size: 20px; }
  .hero-stats span { font-size: 9px; }
  .hero-visual { gap: 18px; }
  .hero-brand-signature { height: auto; min-height: 102px; flex-direction: row; justify-content: flex-start; gap: 15px; padding: 8px 10px; text-align: left; }
  .hero-logo-crop { flex-basis: 82px; width: 82px; height: 80px; }
  .hero-logo-crop img { width: 100%; height: 100%; left: auto; top: auto; }
  .hero-brand-copy { justify-items: start; }
  .hero-brand-copy strong { font-size: 20px; }
  .hero-brand-copy p { font-size: 11px; letter-spacing: .03em; }
  .route-orbit { margin-top: 30px; min-height: 0; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; gap: 24px 8px; padding: 38px 14px 22px; }
  .route-orbit::after { display: none; }
  .route-node { width: 68px; height: 68px; }
  .route-node b { font-size: 12px; }
  .route-node span { font-size: 9px; }
  .node-a { grid-column: 1; grid-row: 2; }
  .node-b { grid-column: 2; grid-row: 2; }
  .node-c { grid-column: 3; grid-row: 2; }
  .orbit-card { grid-column: 1 / -1; grid-row: 1; width: auto; padding: 18px; }
  .orbit-card strong { font-size: 15px; }
  .orbit-card p { font-size: 10px; }
  .route-section .route-orbit { min-height: 0; grid-template-columns: repeat(3,1fr); grid-template-rows: auto auto; gap: 24px 8px; padding: 38px 14px 22px; }
  .route-section .orbit-card { grid-column: 1 / -1; grid-row: 1; }
  .route-section .node-a { grid-column: 1; grid-row: 2; }
  .route-section .node-b { grid-column: 2; grid-row: 2; }
  .route-section .node-c { grid-column: 3; grid-row: 2; }
  .guide-grid { grid-template-columns: 1fr; }
  .question-block { grid-template-columns: 1fr; gap: 8px; padding: 24px 19px; }
  .choice-row button { flex: 1 1 calc(33.333% - 8px); }
  .recommend-result { padding: 24px 19px; }
  .route-recommendations { display: grid; }
  .route-recommendations a { width: 100%; }
  .guide-content { padding-left: 18px; padding-right: 18px; }
  .guide-description { min-height: auto; }
  .manifesto h2 { font-size: 37px; }
  .back-link { font-size: 11px; }
  .article-hero h1 { font-size: 43px; }
  .article-subtitle { font-size: 18px; }
  .article-main section h2 { font-size: 28px; }
  .next-step { padding: 30px 22px; }
  .chapter-list summary { grid-template-columns: 42px 1fr; }
  .chapter-expanded { grid-template-columns: 1fr; margin-left: 58px; }
  .dictionary-search { align-items: stretch; flex-direction: column; }
  .dictionary-search > p { align-self: flex-start; }
  .dictionary-chapter-expanded { margin-left: 58px; padding-left: 13px; }
  .dictionary-term-toc { grid-template-columns: 1fr; }
  .dictionary-term > summary { grid-template-columns: 36px 1fr 22px; gap: 9px; }
  .dictionary-term h4 { font-size: 18px; }
  .dictionary-term h4 small { display: block; margin: 6px 0 0; }
  .dictionary-term-content { padding-left: 0; }
  .dictionary-term > summary p { font-size: 14px; }
  .dictionary-term-content section { padding: 17px 15px; }
  .dictionary-term-content p { font-size: 15px; line-height: 1.9; }
  .full-guide-page-expanded { margin-left: 58px; padding-left: 13px; }
  .full-guide-page-meta { position: static; align-items: flex-start; flex-direction: column; gap: 5px; }
  .guide-page-body, .chapter-list .guide-page-body p { font-size: 16px; line-height: 1.95; }
  .chapter-list .guide-page-body h4 { font-size: 19px; }
  .chapter-toggle b { display: none; }
  .trust-panel { grid-template-columns: 1fr; }
  .trust-panel div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .related-grid { grid-template-columns: 1fr; }
  .playbook-section { grid-template-columns: 1fr; }
  .case-showcase { padding-top: 80px; padding-bottom: 80px; }
  .case-feature-copy { padding: 28px 22px; }
  .case-catalog-preview { padding: 18px; }
  .case-catalog-preview > div { min-height: 92px; padding: 17px; }
  .major-feature-copy { padding: 29px 20px; }
  .major-feature-copy h3 { font-size: 31px; }
  .major-catalog-board { grid-template-columns: 1fr; }
  .major-total, .major-catalog-board > p { grid-column: 1; }
  .major-catalog-board > a { min-height: 105px; }
  .profile-form { padding: 42px 23px 28px; }
  .profile-overview { padding: 30px 23px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}