:root {
    --ink: #2d1635;
    --muted: #786a7d;
    --paper: #fff7fa;
    --card: #fffdfd;
    --primary: #7c2b8f;
    --primary-2: #9d2f74;
    --highlight: #ffd6e7;
    --accent: #cf2f5d;
    --line: #eadce7;
    --shadow: 0 22px 55px rgba(91, 36, 93, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", sans-serif; line-height: 1.65; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
.is-hidden { display: none !important; }

.topbar { height: 78px; display: flex; align-items: center; gap: 46px; padding: 0 5vw; border-bottom: 1px solid var(--line); background: rgba(255,247,250,.94); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; color: white; background: var(--primary); border-radius: 4px 14px 4px 4px; font-family: serif; font-size: 22px; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 11px; letter-spacing: .16em; }
nav { display: flex; gap: 30px; }
nav a { color: #49394f; text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--primary-2); }
.status-dot { color: var(--primary); font-size: 12px; }
.status-dot i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #45a86e; box-shadow: 0 0 0 4px rgba(69,168,110,.14); }

main { width: min(1380px, 92vw); margin: 0 auto; }
.hero { min-height: 510px; display: grid; grid-template-columns: 1.55fr .75fr; align-items: center; gap: 9vw; padding: 74px 2vw 62px; position: relative; }
.hero:before { content: ""; position: absolute; z-index: -1; width: 360px; height: 360px; border-radius: 50%; right: 17%; top: 35px; background: radial-gradient(circle, rgba(224,183,238,.68), rgba(255,214,231,0) 68%); }
.eyebrow { color: var(--accent); font: 700 11px/1.2 Arial, sans-serif; letter-spacing: .22em; }
.hero h1 { margin: 20px 0 24px; font: 500 clamp(48px, 6vw, 84px)/1.07 Georgia, "Songti SC", serif; letter-spacing: -.04em; }
.hero h1 em { color: var(--primary); font-style: normal; }
.hero-copy > p { max-width: 650px; color: var(--muted); font-size: 17px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.hero-pills span { padding: 7px 13px; border: 1px solid #dec6da; border-radius: 99px; color: #65465f; font-size: 12px; background: rgba(255,255,255,.55); }
.principle-card { background: linear-gradient(145deg, #6f2a8c 0%, #9d2f74 58%, #d83b68 100%); color: white; padding: 34px; border-radius: 4px 34px 4px 4px; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.principle-card h2 { margin: 3px 0 8px; font: 500 23px Georgia, "Songti SC", serif; }
.principle-card p { margin: 0; color: #f1dfee; font-size: 13px; }
.card-number { color: var(--highlight); font: 700 11px Arial; letter-spacing: .14em; }
.principle-card .line { height: 1px; background: rgba(255,255,255,.18); margin: 24px 0; }

.panel, .workspace { margin: 30px 0 68px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.panel { padding: 38px 44px; }
.panel-heading { display: flex; gap: 22px; align-items: flex-start; margin-bottom: 28px; }
.panel-heading h2, .workspace-head h2 { margin: 0; font: 500 32px Georgia, "Songti SC", serif; }
.panel-heading p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.step, .section-label span { color: var(--accent); font: 700 11px Arial; letter-spacing: .12em; }
.login-panel { max-width: 860px; margin-left: auto; margin-right: auto; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 24px; padding: 5px; background: #f7eaf3; border: 1px solid var(--line); }
.auth-tab { border: 0; padding: 10px 15px; color: var(--muted); background: transparent; cursor: pointer; font-weight: 700; transition: .2s; }
.auth-tab:hover { color: var(--primary); }
.auth-tab.is-active { color: white; background: linear-gradient(115deg, var(--primary), var(--primary-2)); box-shadow: 0 7px 18px rgba(91,36,93,.16); }
.login-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.login-form .consents, .login-form > button { grid-column: 1 / -1; }
.consents { display: grid; gap: 5px; }
.consents label { display: block; font-size: 12px; font-weight: 400; }
.consents input { width: auto; margin-right: 7px; }
.consents a { color: var(--primary-2); }

label { display: grid; gap: 7px; color: #49394f; font-size: 13px; font-weight: 700; }
label b { color: var(--accent); }
input, textarea, select { width: 100%; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 4px; padding: 12px 13px; outline: none; transition: .2s; }
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(124,43,143,.14); }
.primary-button, .secondary-button { border: 0; cursor: pointer; padding: 13px 19px; border-radius: 3px; font-weight: 700; transition: .2s; }
.primary-button { background: linear-gradient(115deg, var(--primary), var(--primary-2)); color: white; }
.primary-button:hover { background: linear-gradient(115deg, #682179, #b22f70); transform: translateY(-1px); }
.primary-button:disabled { opacity: .55; cursor: wait; transform: none; }
.secondary-button { background: var(--highlight); color: #6b214a; }
.form-message { min-height: 24px; margin: 12px 0 0; color: var(--accent); font-size: 13px; }
.form-message.success { color: var(--primary-2); }

.workspace { padding: 0; overflow: hidden; }
.workspace-head { padding: 31px 36px 23px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.text-button { border: 0; border-bottom: 1px solid currentColor; padding: 3px 0; color: var(--primary-2); background: none; cursor: pointer; font-size: 12px; }
.text-button:disabled { color: #9aa09d; cursor: default; }
.workspace-grid { display: grid; grid-template-columns: 1.12fr .88fr; }
.editor-card { padding: 34px 36px; border-right: 1px solid var(--line); }
.section-label { margin: 0 0 18px; color: var(--primary); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.section-label:not(:first-child) { margin-top: 32px; padding-top: 25px; border-top: 1px solid var(--line); }
.section-label span { margin-right: 8px; }
.field-grid { display: grid; gap: 18px; margin-bottom: 18px; }
.field-grid.two { grid-template-columns: 1fr 1fr; }
.provider-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.provider-option { position: relative; display: block; }
.provider-option input { position: absolute; opacity: 0; pointer-events: none; }
.provider-option span { display: block; padding: 13px; border: 1px solid var(--line); background: #fff; border-radius: 4px; cursor: pointer; }
.provider-option strong, .provider-option small { display: block; }
.provider-option small { color: var(--muted); font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.provider-option input:checked + span { border-color: var(--primary); box-shadow: inset 4px 0 0 var(--primary); background: #fff0f7; }
.provider-option input:disabled + span { opacity: .55; cursor: not-allowed; }
.provider-option em { color: var(--accent); font-size: 10px; font-style: normal; }
.submit-row { display: flex; align-items: center; gap: 18px; justify-content: space-between; margin-top: 28px; }
.safety-note { max-width: 380px; color: var(--muted); font-size: 11px; }
.safety-note span { display: inline-grid; place-items: center; margin-right: 5px; width: 25px; height: 25px; border-radius: 50%; background: #f5e7fb; color: var(--primary); }

.result-card { padding: 34px; background: #faf0f6; min-height: 640px; }
.result-head { display: flex; justify-content: space-between; align-items: flex-start; }
.result-head h3 { margin: 7px 0 0; font: 500 27px Georgia, "Songti SC", serif; }
.ai-label { display: inline-block; padding: 4px 9px; color: white; background: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.empty-result { min-height: 430px; display: grid; place-content: center; justify-items: center; color: #9a8998; text-align: center; }
.empty-result span { display: grid; place-items: center; width: 70px; height: 70px; border: 1px solid #d4bfd0; border-radius: 50%; font-family: serif; font-size: 26px; }
.empty-result p { max-width: 220px; font-size: 13px; }
#adContent { min-height: 250px; margin: 24px 0; padding: 24px; white-space: pre-wrap; word-break: break-word; border: 1px solid #e4d4df; background: var(--card); font: 15px/1.9 "Microsoft YaHei", sans-serif; }
.provenance { margin: 0; padding: 15px; background: #f1e2ec; font-size: 11px; }
.provenance div { display: grid; grid-template-columns: 82px 1fr; gap: 8px; padding: 4px; }
.provenance dt { color: var(--muted); }
.provenance dd { margin: 0; word-break: break-all; }
.review-box { margin-top: 14px; padding: 16px; border-left: 3px solid var(--accent); background: #fff0f3; font-size: 12px; }
.review-box ul { margin: 7px 0 0; padding-left: 18px; color: #77505f; }

.complaint-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.complaint-form .wide { grid-column: 1 / -1; }
.complaint-form button { align-self: end; }
footer { padding: 35px 5vw; background: #28122f; color: #f5e7f2; display: grid; grid-template-columns: auto 1fr; gap: 16px 50px; font-size: 12px; }
footer strong, footer span { display: block; }
footer > div > span { color: #c2a8c0; }
.footer-links { display: flex; justify-content: flex-end; gap: 20px; flex-wrap: wrap; }
.footer-links span { color: #c2a8c0; }
footer p { grid-column: 1 / -1; margin: 0; color: #a98aa8; }

.document-shell { width: min(900px, 90vw); margin: 60px auto; padding: 55px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.document-shell h1 { font: 500 42px Georgia, "Songti SC", serif; color: var(--primary); }
.document-shell h2 { margin-top: 34px; font-size: 22px; }
.document-shell p, .document-shell li { color: #5f4f63; }
.notice { padding: 15px; background: #fff1f4; border-left: 3px solid var(--accent); }

@media (max-width: 900px) {
    .topbar { gap: 18px; padding: 0 4vw; }
    nav { display: none; }
    .status-dot { display: none; }
    .hero { grid-template-columns: 1fr; gap: 30px; }
    .principle-card { transform: none; }
    .workspace-grid { grid-template-columns: 1fr; }
    .editor-card { border-right: 0; border-bottom: 1px solid var(--line); }
    .result-card { min-height: 520px; }
}

@media (max-width: 620px) {
    main { width: 94vw; }
    .hero { padding-top: 50px; }
    .hero h1 { font-size: 45px; }
    .panel, .editor-card, .result-card, .document-shell { padding: 25px 20px; }
    .login-form, .field-grid.two, .provider-options, .complaint-form { grid-template-columns: 1fr; }
    .login-form .consents, .login-form > button { grid-column: auto; }
    .complaint-form .wide { grid-column: auto; }
    .submit-row { align-items: stretch; flex-direction: column; }
    .primary-button { width: 100%; }
    footer { grid-template-columns: 1fr; }
    .footer-links { justify-content: flex-start; }
    footer p { grid-column: auto; }
}