:root {
  --ink: #0c2b23;
  --muted: #60736e;
  --green: #087a55;
  --green-2: #12a271;
  --lime: #b7e568;
  --pale: #edf8f2;
  --line: #d9e7e1;
  --white: #fff;
  --shadow: 0 24px 70px rgba(12, 58, 45, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: #f7faf8;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, select, input { font: inherit; }
a { color: inherit; }
.hidden { display: none !important; }
.ambient { position: fixed; border-radius: 999px; filter: blur(2px); pointer-events: none; z-index: -1; }
.ambient-one { width: 560px; height: 560px; right: -180px; top: 90px; background: radial-gradient(circle, rgba(118, 215, 164, .16), transparent 68%); }
.ambient-two { width: 500px; height: 500px; left: -250px; top: 550px; background: radial-gradient(circle, rgba(202, 232, 120, .12), transparent 70%); }

.topbar { height: 82px; max-width: 1240px; margin: 0 auto; padding: 0 30px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.15; }
.brand b { font-size: 23px; letter-spacing: .08em; }
.brand small { margin-top: 4px; color: #678078; font-size: 10px; letter-spacing: .18em; }
.brand-mark { position: relative; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; background: linear-gradient(145deg, #096b4d, #13a470); box-shadow: 0 9px 20px rgba(8, 122, 85, .22); overflow: hidden; }
.brand-mark i { position: absolute; display: block; width: 7px; height: 23px; bottom: 7px; border-radius: 10px 10px 3px 3px; background: #e9f6a7; transform-origin: bottom; }
.brand-mark i:nth-child(1) { transform: translateX(-8px) rotate(-35deg); height: 17px; }
.brand-mark i:nth-child(2) { height: 27px; }
.brand-mark i:nth-child(3) { transform: translateX(8px) rotate(35deg); height: 17px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.official-chip, .license-chip { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: #4d6b62; background: rgba(255,255,255,.72); font-size: 12px; backdrop-filter: blur(12px); }
.official-chip i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #1cc780; box-shadow: 0 0 0 5px rgba(28,199,128,.12); }
.license-chip { border-color: #bbddc9; color: #08704f; background: #eaf8f0; font-weight: 700; }

main { overflow: hidden; }
.hero { max-width: 1240px; min-height: 570px; margin: 0 auto; padding: 64px 30px 72px; display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 72px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--green); font-size: 10px; font-weight: 700; letter-spacing: .17em; }
.eyebrow i { width: 4px; height: 4px; border-radius: 50%; background: #79aa49; }
.hero h1 { margin: 24px 0 22px; font-size: clamp(48px, 5.3vw, 76px); line-height: 1.12; letter-spacing: -.045em; }
.headline-line { white-space: nowrap; }
.hero h1 em { color: var(--green); font-style: normal; position: relative; }
.hero h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: 1px; height: 8px; background: linear-gradient(90deg, rgba(183,229,104,.65), rgba(183,229,104,0)); z-index: -1; }
.hero-copy > p { max-width: 460px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.hero-points { margin-top: 34px; display: flex; gap: 28px; color: #6d817b; font-size: 12px; }
.hero-points span { position: relative; }
.hero-points span + span::before { content: ""; position: absolute; left: -15px; top: 3px; height: 18px; width: 1px; background: #d8e3de; }
.hero-points b { color: var(--ink); font-size: 17px; margin-right: 4px; }

.query-card { padding: 32px; border: 1px solid rgba(203,224,214,.9); border-radius: 28px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.card-head { margin-bottom: 24px; display: flex; align-items: center; justify-content: space-between; }
.card-head > div, .result-summary-head { display: flex; align-items: center; gap: 13px; }
.card-head h2 { margin: 0; font-size: 20px; }
.step-index { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: #fff; background: var(--ink); font-size: 12px; font-weight: 800; }
.secure-label { color: #5b756c; font-size: 11px; }
.field-row { display: grid; gap: 12px; margin-bottom: 15px; }
.field-row.three { grid-template-columns: repeat(3, 1fr); }
.field-row.two { grid-template-columns: repeat(2, 1fr); }
label { color: #4e6961; font-size: 11px; font-weight: 700; }
select, input { width: 100%; height: 50px; margin-top: 8px; padding: 0 13px; border: 1px solid #d6e4de; border-radius: 12px; outline: none; color: var(--ink); background: #fbfdfc; font-size: 13px; transition: .2s; }
select:focus, input:focus { border-color: var(--green-2); box-shadow: 0 0 0 4px rgba(18,162,113,.09); }
select:disabled { color: #9caaa5; background: #f3f6f4; }
.scope-note { margin: 6px 0 20px; padding: 13px 15px; display: flex; gap: 10px; border: 1px solid #dcece3; border-radius: 12px; background: var(--pale); }
.scope-icon { display: grid; place-items: center; flex: 0 0 25px; height: 25px; border-radius: 8px; color: #fff; background: var(--green); }
.scope-note p { margin: 0; color: #567068; font-size: 11px; line-height: 1.65; }
.scope-note b { color: #205b47; margin-right: 6px; }
.primary-button { width: 100%; min-height: 54px; padding: 0 20px; border: 0; border-radius: 14px; display: flex; align-items: center; justify-content: center; gap: 16px; color: #fff; background: linear-gradient(100deg, #086c4d, #0d9264); box-shadow: 0 14px 24px rgba(8,122,85,.18); font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .2s, filter .2s; }
.primary-button:hover { transform: translateY(-2px); filter: brightness(1.05); }
.primary-button:disabled { cursor: wait; opacity: .7; }
.primary-button i { font-style: normal; font-size: 20px; }
.form-error { padding: 10px 13px; margin: 14px 0 0; border-radius: 10px; color: #9b342c; background: #fff0ef; font-size: 12px; }

.trust-line { max-width: 1180px; margin: 0 auto 80px; padding: 17px 26px; display: flex; justify-content: space-around; border-block: 1px solid #e0eae6; color: #62766f; font-size: 12px; }
.trust-line i { display: inline-grid; place-items: center; width: 19px; height: 19px; margin-right: 8px; border-radius: 50%; color: var(--green); background: #e4f4ec; font-style: normal; font-weight: 800; }

.chat-section, .result-section, .method-section { max-width: 1100px; margin: 0 auto 100px; padding: 0 30px; scroll-margin-top: 30px; }
.section-kicker { margin-bottom: 13px; color: #779087; font-size: 9px; font-weight: 800; letter-spacing: .22em; }
.chat-shell { min-height: 440px; display: grid; grid-template-columns: 280px 1fr; overflow: hidden; border: 1px solid #d7e5df; border-radius: 27px; background: #fff; box-shadow: var(--shadow); }
.agent-panel { position: relative; padding: 38px 28px; color: #fff; background: radial-gradient(circle at 20% 0, #16835e, transparent 44%), linear-gradient(155deg, #0a3f32, #06251f); overflow: hidden; }
.agent-panel::after { content: ""; position: absolute; width: 230px; height: 230px; right: -120px; bottom: -80px; border: 1px solid rgba(183,229,104,.2); border-radius: 50%; box-shadow: 0 0 0 34px rgba(183,229,104,.03), 0 0 0 68px rgba(183,229,104,.025); }
.agent-avatar { position: relative; width: 84px; height: 84px; display: grid; place-items: center; border: 1px solid rgba(219,245,231,.25); border-radius: 50%; background: linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.025)); box-shadow: inset 0 0 25px rgba(255,255,255,.06); }
.agent-avatar::before { content: ""; width: 31px; height: 31px; border-radius: 50%; background: #c3d8ce; }
.agent-avatar span { position: absolute; width: 52px; height: 28px; bottom: 11px; border-radius: 45px 45px 16px 16px; background: #c3d8ce; }
.agent-avatar::after { content: ""; position: absolute; right: 2px; bottom: 4px; width: 12px; height: 12px; border: 3px solid #0a3c30; border-radius: 50%; background: #3bdf8d; animation: slowPulse 2.2s infinite; }
@keyframes slowPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(59,223,141,.45); opacity: .7; } 50% { box-shadow: 0 0 0 8px rgba(59,223,141,0); opacity: 1; } }
.agent-identity { margin-top: 23px; display: flex; flex-direction: column; }
.agent-identity strong { font-size: 16px; }
.online { margin-top: 8px; color: #a8c8ba; font-size: 11px; }
.online i { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: #47dd92; animation: slowPulse 2.2s infinite; }
.agent-meta { position: relative; z-index: 1; margin-top: 48px; display: grid; gap: 9px; }
.agent-meta span { margin-top: 7px; color: #88ab9c; font-size: 9px; letter-spacing: .12em; }
.agent-meta b { font-size: 12px; font-weight: 500; }
.conversation { padding: 32px; display: flex; flex-direction: column; min-width: 0; background: linear-gradient(#fbfdfc, #f5f9f7); }
.messages { flex: 1; max-height: 410px; overflow: auto; padding-right: 10px; }
.message { max-width: 82%; margin: 0 0 14px; padding: 14px 16px 9px; border: 1px solid #dce9e3; border-radius: 5px 16px 16px 16px; background: #fff; box-shadow: 0 8px 24px rgba(14,67,52,.055); animation: messageIn .35s ease both; }
@keyframes messageIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
.message p { margin: 0; color: #36584e; font-size: 13px; line-height: 1.8; }
.message time { display: block; margin-top: 5px; color: #9caaa5; font-size: 9px; text-align: right; }
.typing-status { padding-top: 14px; display: flex; align-items: center; gap: 4px; color: #7d918a; font-size: 10px; }
.typing-status i { width: 5px; height: 5px; border-radius: 50%; background: #38ad7c; animation: dot 1.4s infinite; }
.typing-status i:nth-child(2) { animation-delay: .18s; }.typing-status i:nth-child(3) { animation-delay: .36s; }
.typing-status span { margin-left: 7px; }
@keyframes dot { 0%,70%,100% { opacity: .25; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-3px); } }

.locked-result, .unlocked-result { padding: 34px; border: 1px solid #d7e5df; border-radius: 27px; background: #fff; box-shadow: var(--shadow); }
.result-summary-head { align-items: flex-start; }
.result-summary-head small { color: #769087; font-size: 9px; font-weight: 800; letter-spacing: .17em; }
.result-summary-head h2 { margin: 5px 0 0; font-size: 25px; }
.result-summary-head h2 em { color: var(--green); font-style: normal; font-size: 34px; }
.result-summary-head p { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.metric-grid { margin: 27px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.metric-grid > div { padding: 18px; border: 1px solid #deebe5; border-radius: 14px; background: #f8fbf9; }
.metric-grid span { display: block; color: #758a83; font-size: 10px; }
.metric-grid b { display: block; margin-top: 9px; font-size: 26px; }
.metric-grid b small { font-size: 11px; }.metric-grid .date-metric { font-size: 13px; line-height: 2; }
.authorization-warning { margin: 0 0 18px; padding: 12px 15px; border-radius: 10px; color: #9b5b17; background: #fff6e7; font-size: 12px; }
.locked-stack { position: relative; min-height: 370px; padding: 10px; overflow: hidden; border-radius: 20px; background: #f5f8f6; }
.locked-card { height: 100px; margin-bottom: 10px; padding: 18px; display: flex; align-items: center; gap: 14px; border: 1px solid #e3eae7; border-radius: 14px; background: #fff; filter: blur(calc(var(--delay) * .4px)); opacity: calc(1 - var(--delay) * .18); }
.lock-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: #4e7568; background: #e7f2ed; }
.locked-card div { flex: 1; }.locked-card div i { display: block; height: 7px; margin: 8px 0; border-radius: 9px; background: #e1e9e6; }.locked-card div i:nth-child(2) { width: 76%; }.locked-card div i:nth-child(3) { width: 45%; }
.locked-card b { color: #9aa9a4; font-size: 11px; }
.lock-overlay { position: absolute; inset: 0; padding: 36px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: linear-gradient(rgba(247,250,248,.2), rgba(247,250,248,.94) 28%, rgba(247,250,248,.98)); backdrop-filter: blur(3px); }
.shield { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 16px; color: #dff297; background: var(--green); transform: rotate(45deg); }.shield::first-letter { transform: rotate(-45deg); }
.lock-overlay h3 { margin: 18px 0 8px; font-size: 21px; }.lock-overlay p { max-width: 530px; margin: 0; color: #667a73; font-size: 12px; line-height: 1.8; }
.buy-button { max-width: 370px; margin: 20px auto 10px; }.lock-overlay > small { color: #93a19c; font-size: 9px; }
.update-note { margin: 18px 0 0; color: #8b9b95; font-size: 10px; text-align: center; }
.access-badge { margin-left: auto; padding: 8px 12px; border-radius: 99px; color: #08704f; background: #e6f6ed; font-size: 10px; font-weight: 700; }
.result-toolbar { margin: 25px 0 14px; padding: 12px 15px; display: flex; justify-content: space-between; border-radius: 12px; color: #5c756d; background: #f0f7f3; font-size: 11px; }
.policy-list { display: grid; gap: 14px; }
.policy-card { padding: 22px; border: 1px solid #dde8e3; border-radius: 18px; background: #fff; }
.policy-card-head { display: flex; justify-content: space-between; align-items: center; }.policy-card-head time { color: #8b9c96; font-size: 10px; }
.level-tag, .active-tag, .expired-tag { display: inline-block; margin-right: 7px; padding: 4px 8px; border-radius: 6px; font-size: 9px; font-weight: 700; }.level-tag { color: #356657; background: #e7f1ed; }.active-tag { color: #13724f; background: #e2f8ec; }.expired-tag { color: #845e43; background: #f4ece7; }
.policy-card h3 { margin: 15px 0 18px; font-size: 17px; line-height: 1.65; }
.policy-card dl { margin: 0; display: grid; gap: 10px; }.policy-card dl div { padding-top: 10px; display: grid; grid-template-columns: 125px 1fr; border-top: 1px dashed #e2eae6; }.policy-card dt { color: #7a8e87; font-size: 10px; }.policy-card dd { margin: 0; color: #36564c; font-size: 12px; line-height: 1.8; white-space: pre-wrap; }
.policy-source { margin-top: 19px; padding-top: 13px; display: flex; justify-content: space-between; border-top: 1px solid #e6eeea; color: #71867e; font-size: 10px; }.policy-source a { color: var(--green); font-weight: 700; text-decoration: none; }
.missing-fields { color: #73867f; font-size: 11px; }.empty-result { padding: 70px 20px; text-align: center; }.empty-result span { color: #d5e6de; font-size: 72px; font-weight: 800; }.empty-result h3 { margin: 0; }.empty-result p { color: #71847d; font-size: 12px; }

.method-section { margin-top: 115px; }
.section-title span { color: var(--green); font-size: 9px; font-weight: 800; letter-spacing: .16em; }.section-title h2 { margin: 10px 0 25px; font-size: 28px; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.method-grid article { padding: 26px; border: 1px solid #dee9e4; border-radius: 18px; background: rgba(255,255,255,.76); }.method-grid article > span { color: #8bad79; font-size: 11px; font-weight: 800; }.method-grid b { display: block; margin: 17px 0 10px; font-size: 16px; }.method-grid p { margin: 0; color: #6a7f78; font-size: 11px; line-height: 1.85; }
footer { max-width: 1180px; margin: 0 auto; padding: 40px 30px 55px; display: grid; grid-template-columns: 220px 1fr auto; gap: 25px; align-items: center; border-top: 1px solid #dfe8e4; }.footer-brand { transform: scale(.85); transform-origin: left; }footer p { max-width: 650px; margin: 0; color: #7a8c86; font-size: 10px; line-height: 1.8; }footer > a { color: #71847d; font-size: 10px; text-decoration: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 42px; padding-top: 34px; }.hero-copy { text-align: center; }.hero-copy > p { margin-inline: auto; }.eyebrow, .hero-points { justify-content: center; }
  .chat-shell { grid-template-columns: 220px 1fr; }.metric-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 650px) {
  .topbar { height: 70px; padding: 0 18px; }.official-chip { display: none; }.brand b { font-size: 19px; }.brand-mark { width: 37px; height: 37px; }.hero { padding: 35px 18px 55px; }.hero h1 { font-size: 45px; }.hero h1 .headline-line { display: inline-block; font-size: clamp(29px, 9.2vw, 40px); letter-spacing: -.055em; }.hero-copy > p { font-size: 14px; }.hero-points { gap: 18px; flex-wrap: wrap; }.query-card { padding: 22px 17px; border-radius: 22px; }.secure-label { display: none; }
  .field-row.three, .field-row.two { grid-template-columns: 1fr; }.trust-line { margin-bottom: 60px; padding: 16px 20px; flex-direction: column; gap: 12px; }.chat-section, .result-section, .method-section { padding: 0 16px; margin-bottom: 70px; }.chat-shell { grid-template-columns: 1fr; }.agent-panel { padding: 25px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 16px; }.agent-avatar { width: 65px; height: 65px; }.agent-identity { margin: 0; }.agent-meta { grid-column: 1 / -1; margin: 8px 0 0; grid-template-columns: auto 1fr; }.conversation { min-height: 360px; padding: 20px 16px; }.message { max-width: 94%; }.locked-result, .unlocked-result { padding: 22px 16px; }.result-summary-head h2 { font-size: 19px; }.result-summary-head h2 em { font-size: 27px; }.metric-grid { grid-template-columns: 1fr 1fr; }.metric-grid > div { padding: 14px; }.locked-stack { min-height: 420px; }.lock-overlay { padding: 25px 17px; }.access-badge { display: none; }.result-toolbar { align-items: flex-start; flex-direction: column; gap: 5px; }.policy-card dl div { grid-template-columns: 1fr; gap: 6px; }.policy-source { align-items: flex-start; flex-direction: column; gap: 9px; }.method-grid { grid-template-columns: 1fr; }footer { padding: 32px 18px; grid-template-columns: 1fr; }.footer-brand { margin-bottom: -8px; }
}