:root {
  color-scheme: dark;
  --bg: #06150f;
  --bg-deep: #020b08;
  --surface: rgba(14, 44, 31, 0.68);
  --surface-strong: rgba(19, 56, 40, 0.88);
  --line: rgba(218, 248, 209, 0.14);
  --line-strong: rgba(205, 244, 192, 0.25);
  --text: #eef8eb;
  --muted: #a8b9ac;
  --accent: #c9f5b8;
  --accent-strong: #85e4b0;
  --cyan: #64d8ca;
  --shadow: 0 32px 80px rgba(0, 8, 5, 0.44);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 52% -10%, rgba(48, 116, 81, .23), transparent 36rem),
    linear-gradient(160deg, #06150f 0%, #071b13 42%, #020a07 100%);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.page-glow { position: fixed; z-index: -1; border-radius: 999px; filter: blur(10px); pointer-events: none; }
.glow-one { top: 15%; right: -12rem; width: 34rem; height: 34rem; background: rgba(69, 212, 167, .08); }
.glow-two { bottom: 2%; left: -15rem; width: 38rem; height: 38rem; background: rgba(140, 216, 100, .055); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  height: 82px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(220, 248, 211, .09);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1.12rem; font-weight: 800; letter-spacing: .16em; }
.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(201, 245, 184, .34);
  border-radius: 10px;
  color: #071b13;
  background: linear-gradient(145deg, var(--accent), #8be5bd);
  box-shadow: 0 8px 24px rgba(104, 220, 175, .18);
  font-size: .96rem;
  letter-spacing: 0;
}
.nav-links { display: flex; align-items: center; gap: 34px; color: #b8c9ba; font-size: .92rem; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 10px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(188, 244, 167, .055);
  font-size: .9rem;
  font-weight: 700;
}

.section-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, .91fr) minmax(520px, 1.09fr);
  align-items: center;
  gap: 68px;
  min-height: calc(100vh - 82px);
  padding: 68px 0 96px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(153, 225, 169, .18);
  border-radius: 999px;
  color: #c7d8c9;
  background: rgba(16, 51, 34, .48);
  font-size: .82rem;
}
.status-pill span { width: 7px; height: 7px; border-radius: 50%; background: #78e5a5; box-shadow: 0 0 0 5px rgba(120, 229, 165, .08), 0 0 16px rgba(120, 229, 165, .62); }
.hero h1 { margin: 28px 0 24px; font-size: clamp(3rem, 5.4vw, 5.2rem); line-height: 1.04; letter-spacing: -.055em; font-weight: 760; }
.hero h1 em { color: var(--accent); font-style: normal; text-shadow: 0 0 36px rgba(180, 244, 165, .08); }
.hero-lead { max-width: 600px; margin: 0; color: #b8c8ba; font-size: clamp(1.04rem, 1.45vw, 1.2rem); line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 36px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 0 22px; border-radius: 13px; font-size: .96rem; font-weight: 760; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #082016; background: linear-gradient(135deg, #d1f8c0, #8be4b7); box-shadow: 0 14px 34px rgba(103, 222, 170, .2); }
.button-quiet { border: 1px solid var(--line); color: #d2ded2; background: rgba(14, 42, 30, .42); }
.button-quiet:hover { border-color: var(--line-strong); background: rgba(21, 56, 40, .54); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 29px 0 0; padding: 0; color: #91a494; font-size: .8rem; list-style: none; }
.hero-notes li { position: relative; padding-left: 14px; }
.hero-notes li::before { position: absolute; top: .46em; left: 0; width: 4px; height: 4px; border-radius: 50%; background: #77d8b3; content: ""; }

.product-stage { position: relative; min-height: 580px; display: grid; place-items: center; isolation: isolate; }
.stage-orbit { position: absolute; z-index: -1; border: 1px solid rgba(170, 238, 189, .09); border-radius: 50%; }
.orbit-one { width: 520px; height: 520px; }
.orbit-two { width: 390px; height: 390px; border-color: rgba(101, 216, 202, .09); }
.plugin-window {
  width: min(100%, 540px);
  overflow: hidden;
  border: 1px solid rgba(220, 249, 212, .2);
  border-radius: 25px;
  background: linear-gradient(160deg, rgba(25, 65, 47, .95), rgba(4, 23, 15, .98));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .05);
  transform: perspective(1200px) rotateY(-4deg) rotateX(1.5deg);
}
.plugin-titlebar { display: flex; align-items: center; gap: 11px; padding: 15px 18px; border-bottom: 1px solid rgba(225, 249, 218, .1); background: rgba(5, 22, 15, .38); }
.plugin-titlebar > div:nth-child(2) { display: flex; flex-direction: column; gap: 2px; }
.plugin-titlebar strong { font-size: .86rem; letter-spacing: .12em; }
.plugin-titlebar span { color: #829686; font-size: .68rem; }
.plugin-logo { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 9px; color: #082116; background: var(--accent); font-size: .8rem; font-weight: 900; }
.window-state { margin-left: auto; color: #9ce2b4; font-size: .7rem; }
.plugin-body { padding: 18px; }
.version-row { display: flex; align-items: center; gap: 7px; margin-bottom: 14px; }
.version-chip, .model-chip { padding: 6px 10px; border: 1px solid rgba(219, 247, 211, .1); border-radius: 999px; color: #819587; font-size: .65rem; }
.version-chip.active { color: #0b2418; border-color: transparent; background: #c4efb5; }
.model-chip { margin-left: auto; color: #a9bcae; background: rgba(255, 255, 255, .03); }
.result-card { padding: 15px; border: 1px solid rgba(221, 249, 214, .1); border-radius: 14px; background: rgba(255, 255, 255, .025); }
.result-card span { color: #7f9687; font-size: .65rem; }
.result-card strong { display: block; margin-top: 8px; color: #e5f1e2; font-size: .84rem; line-height: 1.45; }
.result-card p { margin: 7px 0 0; color: #95a79a; font-size: .69rem; line-height: 1.65; }
.prompt-shot { margin-top: 13px; overflow: hidden; border: 1px solid rgba(208, 244, 199, .12); border-radius: 14px; background: #071a12; }
.prompt-shot img { display: block; width: 100%; height: auto; opacity: .94; }
.composer-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 13px; color: #809487; font-size: .64rem; }
.send-button { display: inline-flex; min-height: 34px; align-items: center; padding: 0 14px; border-radius: 9px; color: #082017; background: #c5efb7; font-weight: 800; }
.floating-card { position: absolute; display: flex; align-items: center; gap: 8px; padding: 11px 14px; border: 1px solid rgba(219, 248, 211, .18); border-radius: 13px; color: #b9cabd; background: rgba(9, 29, 20, .78); box-shadow: 0 18px 40px rgba(0, 8, 5, .3); backdrop-filter: blur(14px); font-size: .72rem; }
.floating-card span { color: var(--accent); font-weight: 900; }
.card-top { top: 76px; right: -14px; }
.card-bottom { bottom: 82px; left: -18px; }

.section-kicker { margin-bottom: 18px; color: #78d9b5; font-size: .78rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.section-heading { max-width: 680px; }
.section-heading h2, .feature-list h2, .principles h2, .beta-section h2, .faq h2 { margin: 0; font-size: clamp(2.3rem, 4.5vw, 4rem); line-height: 1.13; letter-spacing: -.045em; }
.section-heading p, .feature-list-head > p { margin: 22px 0 0; color: #9daf9f; font-size: 1rem; line-height: 1.85; }
.split-heading { display: grid; max-width: none; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 70px; }
.split-heading p { margin: 0 0 5px; }

.product-intro { padding: 128px 0; }
.capability-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 56px; }
.capability-card { position: relative; grid-column: span 2; min-height: 310px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(145deg, rgba(20, 55, 40, .56), rgba(6, 25, 17, .52)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025); }
.capability-card:nth-child(4), .capability-card:nth-child(5) { grid-column: span 3; min-height: 268px; }
.capability-card::after { position: absolute; right: -70px; bottom: -80px; width: 180px; height: 180px; border: 1px solid rgba(161, 236, 179, .06); border-radius: 50%; content: ""; }
.featured-card { background: linear-gradient(145deg, rgba(35, 82, 58, .72), rgba(8, 31, 21, .66)); }
.capability-index { position: absolute; top: 25px; right: 26px; color: rgba(216, 245, 208, .28); font-size: .72rem; letter-spacing: .16em; }
.capability-icon { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(198, 243, 184, .19); border-radius: 13px; color: var(--accent); background: rgba(199, 246, 182, .055); font-size: 1.1rem; }
.capability-card h3 { margin: 31px 0 12px; font-size: 1.35rem; letter-spacing: -.02em; }
.capability-card p { max-width: 36rem; margin: 0; color: #9bad9e; font-size: .94rem; line-height: 1.78; }
.mini-flow { display: flex; align-items: center; gap: 8px; margin-top: 28px; }
.mini-flow span { display: grid; min-width: 36px; height: 28px; place-items: center; border: 1px solid rgba(201, 245, 184, .13); border-radius: 8px; color: #bbccbE; background: rgba(255, 255, 255, .025); font-size: .66rem; }
.mini-flow i { width: 18px; height: 1px; background: linear-gradient(90deg, rgba(139, 228, 183, .1), rgba(139, 228, 183, .62)); }

.case-feature { display: grid; grid-template-columns: .76fr 1.24fr; align-items: center; gap: 70px; padding: 30px 0 128px; }
.case-feature-copy h2 { margin: 0; font-size: clamp(2.35rem, 4.3vw, 4rem); line-height: 1.12; letter-spacing: -.045em; }
.case-feature-copy > p { max-width: 540px; margin: 23px 0 0; color: #9daf9f; font-size: 1rem; line-height: 1.85; }
.case-stats { display: flex; flex-wrap: wrap; gap: 12px 26px; margin: 30px 0 34px; color: #8fa292; font-size: .8rem; }
.case-stats span { display: inline-flex; align-items: baseline; gap: 6px; }
.case-stats strong { color: var(--accent); font-size: 1.25rem; }
.case-feature-visual { position: relative; display: block; min-height: 490px; overflow: hidden; border: 1px solid rgba(218, 248, 209, .15); border-radius: 28px; background: #0b2117; box-shadow: var(--shadow); }
.case-feature-visual::after { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(2, 10, 7, .85)); content: ""; }
.case-feature-visual img { width: 100%; height: 100%; min-height: 490px; object-fit: cover; transition: transform .55s ease; }
.case-feature-visual:hover img { transform: scale(1.025); }
.case-badge, .case-caption { position: absolute; z-index: 1; }
.case-badge { top: 20px; left: 20px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; color: #edf8e9; background: rgba(3,17,11,.6); backdrop-filter: blur(12px); font-size: .75rem; }
.case-caption { right: 28px; bottom: 25px; left: 28px; color: #f2f8ef; font-size: clamp(1.35rem, 2.2vw, 2rem); font-weight: 760; letter-spacing: -.02em; }

.workflow-section { padding: 128px 0; border-top: 1px solid rgba(219, 246, 211, .07); border-bottom: 1px solid rgba(219, 246, 211, .07); background: linear-gradient(180deg, rgba(18, 47, 34, .34), rgba(4, 17, 12, .2)); }
.workflow-shell > .section-heading { max-width: 740px; }
.workflow-track { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 64px; }
.workflow-track::before { position: absolute; top: 31px; right: 15%; left: 15%; height: 1px; background: linear-gradient(90deg, transparent, rgba(142, 227, 179, .32), transparent); content: ""; }
.workflow-step { position: relative; padding: 0 22px 25px; text-align: center; }
.step-number { position: relative; z-index: 1; display: grid; width: 62px; height: 62px; margin: 0 auto 24px; place-items: center; border: 1px solid rgba(196, 242, 181, .22); border-radius: 50%; color: #bfeeb1; background: #0a2117; box-shadow: 0 0 0 8px rgba(12, 39, 27, .56); font-size: .72rem; font-weight: 800; }
.step-visual { display: grid; height: 168px; margin: 0 auto 25px; place-items: center; overflow: hidden; border: 1px solid rgba(217, 246, 209, .11); border-radius: 18px; background: rgba(5, 23, 15, .52); }
.source-visual { grid-template-columns: auto auto; gap: 23px; }
.ps-badge { display: grid; width: 56px; height: 56px; place-items: center; border: 1px solid rgba(96, 205, 255, .38); border-radius: 13px; color: #66d0fa; background: #071d26; font-size: 1.35rem; font-weight: 700; }
.layer-stack { position: relative; width: 72px; height: 72px; }
.layer-stack i { position: absolute; width: 62px; height: 44px; border: 1px solid rgba(193, 239, 180, .22); border-radius: 8px; background: rgba(30, 67, 48, .88); transform: rotate(-8deg); }
.layer-stack i:nth-child(2) { top: 10px; left: 5px; transform: rotate(2deg); background: rgba(20, 53, 37, .9); }
.layer-stack i:nth-child(3) { top: 20px; left: 10px; transform: rotate(10deg); background: rgba(11, 36, 24, .94); }
.prompt-visual { align-content: center; justify-items: start; padding: 28px; }
.prompt-visual span { width: 76%; height: 5px; margin-bottom: 10px; border-radius: 9px; background: rgba(186, 224, 183, .12); }
.prompt-visual span:nth-child(2) { width: 91%; }
.prompt-visual span:nth-child(3) { width: 54%; }
.prompt-visual b { margin-top: 10px; color: #bceeb0; font-size: .72rem; font-weight: 700; }
.result-visual { grid-template-columns: auto auto; gap: 18px; }
.result-frame { width: 86px; height: 96px; padding: 8px; border: 1px solid rgba(209, 243, 200, .19); border-radius: 10px; background: rgba(255, 255, 255, .025); transform: rotate(-3deg); }
.result-frame i { display: block; width: 100%; height: 100%; border-radius: 6px; background: linear-gradient(145deg, #264f3b, #6a9b72 46%, #182d23 47%, #0d2117); }
.result-visual > span { padding: 6px 9px; border: 1px solid rgba(201, 245, 184, .14); border-radius: 8px; color: #a8bbaa; font-size: .65rem; }
.workflow-step h3 { margin: 0 0 11px; font-size: 1.24rem; }
.workflow-step p { margin: 0 auto; max-width: 300px; color: #91a394; font-size: .9rem; line-height: 1.75; }

.feature-list { padding: 128px 0; }
.feature-list-head { display: grid; grid-template-columns: 1.05fr .95fr; align-items: end; gap: 70px; }
.feature-list-head > p { margin-bottom: 4px; }
.feature-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 54px; }
.feature-pills span { padding: 11px 15px; border: 1px solid rgba(211, 244, 202, .12); border-radius: 999px; color: #b3c4b7; background: rgba(16, 46, 33, .35); font-size: .88rem; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.feature-pills span:hover { border-color: rgba(191, 239, 176, .3); color: #e6f3e3; background: rgba(31, 71, 51, .48); }

.principles { padding-bottom: 128px; }
.principles-panel { display: grid; grid-template-columns: 1fr .9fr; gap: 80px; padding: 60px; border: 1px solid rgba(215, 246, 207, .13); border-radius: 28px; background: linear-gradient(135deg, rgba(30, 72, 52, .64), rgba(7, 28, 19, .6)); box-shadow: var(--shadow); }
.principles-copy p { margin: 24px 0 0; color: #a5b6a7; font-size: 1rem; line-height: 1.85; }
.principle-items { display: grid; align-content: center; gap: 0; }
.principle-items div { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid rgba(215, 244, 207, .09); }
.principle-items div:last-child { border-bottom: 0; }
.principle-items strong { color: #ddecda; font-size: .94rem; }
.principle-items span { color: #8fa192; font-size: .88rem; line-height: 1.55; }

.beta-section { padding: 120px 0; background: radial-gradient(circle at 73% 35%, rgba(108, 220, 176, .11), transparent 22rem), #030c08; }
.beta-shell { display: grid; grid-template-columns: 1.05fr .75fr; align-items: center; gap: 100px; }
.beta-copy h2 { margin-top: 28px; }
.beta-copy > p { max-width: 650px; margin: 24px 0 0; color: #9eb1a2; font-size: 1rem; line-height: 1.9; }
.beta-card { padding: 34px; border: 1px solid rgba(214, 245, 205, .15); border-radius: 24px; background: linear-gradient(155deg, rgba(23, 58, 42, .76), rgba(7, 25, 17, .86)); box-shadow: 0 26px 70px rgba(0, 5, 3, .36); }
.beta-label { color: #79d8b6; font-size: .74rem; font-weight: 800; letter-spacing: .16em; }
.beta-card h3 { margin: 12px 0 26px; font-size: 1.35rem; }
.beta-card ol { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.beta-card li { display: flex; align-items: center; gap: 13px; color: #c1cec3; font-size: .92rem; }
.beta-card li span { display: grid; width: 29px; height: 29px; flex: 0 0 auto; place-items: center; border: 1px solid rgba(197, 241, 185, .18); border-radius: 9px; color: #bfeeb2; background: rgba(196, 240, 182, .04); font-size: .7rem; }
.beta-card > p { margin: 25px 0 0; padding-top: 20px; border-top: 1px solid rgba(213, 244, 205, .09); color: #829487; font-size: .77rem; line-height: 1.65; }

.faq { padding: 128px 0; }
.faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; }
.faq-list details { border-top: 1px solid rgba(216, 246, 208, .13); }
.faq-list details:last-child { border-bottom: 1px solid rgba(216, 246, 208, .13); }
.faq-list summary { position: relative; padding: 24px 44px 24px 0; color: #dbe8d8; font-size: 1rem; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 21px; right: 5px; color: #82d8b8; content: "+"; font-size: 1.35rem; font-weight: 300; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: -5px 0 24px; padding-right: 38px; color: #93a596; font-size: .9rem; line-height: 1.8; }

.site-footer { border-top: 1px solid rgba(215, 245, 207, .08); background: #020906; }
.footer-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; padding-top: 54px; padding-bottom: 54px; }
.footer-brand { width: max-content; }
.footer-inner p { margin: 15px 0 0; color: #7f9284; font-size: .84rem; }
.footer-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 13px 22px; color: #718477; font-size: .76rem; }
.footer-meta a { color: #91a696; text-decoration: none; }
.footer-meta a:hover { color: #d5ebc4; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 38px; padding-top: 74px; }
  .hero-copy { max-width: 740px; }
  .hero h1 { font-size: clamp(3rem, 9vw, 5.4rem); }
  .product-stage { min-height: 520px; }
  .split-heading, .feature-list-head, .principles-panel, .beta-shell, .faq-layout, .case-feature { grid-template-columns: 1fr; gap: 32px; }
  .case-feature-visual { min-height: 420px; }
  .case-feature-visual img { min-height: 420px; }
  .capability-card { grid-column: span 3; }
  .capability-card:last-child { grid-column: 2 / span 4; }
  .principles-panel { padding: 46px; }
  .beta-shell { gap: 48px; }
  .beta-card { max-width: 650px; }
  .faq-layout { gap: 50px; }
}

@media (max-width: 680px) {
  .site-header, .section-shell { width: min(100% - 32px, 1180px); }
  .site-header { height: 70px; }
  .nav-links { display: none; }
  .nav-cta { padding: 8px 13px; font-size: .8rem; }
  .hero { min-height: auto; padding: 58px 0 72px; }
  .hero h1 { margin-top: 22px; font-size: clamp(2.7rem, 13vw, 4.2rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-notes { display: grid; gap: 10px; }
  .product-stage { min-height: 430px; }
  .plugin-window { border-radius: 19px; transform: none; }
  .plugin-body { padding: 13px; }
  .floating-card { display: none; }
  .stage-orbit { width: 92%; height: auto; aspect-ratio: 1; }
  .product-intro, .workflow-section, .feature-list, .faq { padding: 88px 0; }
  .case-feature { padding: 0 0 88px; }
  .case-feature-visual { min-height: 340px; border-radius: 20px; }
  .case-feature-visual img { min-height: 340px; }
  .principles { padding-bottom: 88px; }
  .capability-grid { grid-template-columns: 1fr; margin-top: 40px; }
  .capability-card, .capability-card:nth-child(4), .capability-card:nth-child(5), .capability-card:last-child { grid-column: 1; min-height: auto; }
  .workflow-track { grid-template-columns: 1fr; gap: 34px; }
  .workflow-track::before { display: none; }
  .workflow-step { padding: 0; }
  .feature-pills { margin-top: 36px; }
  .feature-pills span { padding: 9px 12px; font-size: .8rem; }
  .principles-panel { padding: 30px 22px; border-radius: 22px; }
  .principle-items div { grid-template-columns: 1fr; gap: 7px; }
  .beta-section { padding: 88px 0; }
  .beta-card { padding: 27px 22px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-meta { justify-content: flex-start; }
}

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