:root {
    --ink: #172033;
    --muted: #6e7890;
    --line: #e7eaf1;
    --surface: #ffffff;
    --soft: #f6f7fb;
    --primary: #596fd3;
    --primary-dark: #4057bb;
    --primary-soft: #eef0ff;
    --success: #2da576;
    --success-soft: #e8f7f1;
    --warning: #c38425;
    --warning-soft: #fff5df;
    --danger: #d75963;
    --danger-soft: #fff0f1;
    --info: #497ec9;
    --shadow: 0 22px 60px rgba(35, 46, 85, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: #f4f5f9;
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }

.public-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 4%, rgba(98, 116, 215, .10), transparent 27rem),
        radial-gradient(circle at 96% 78%, rgba(73, 160, 193, .08), transparent 32rem),
        #f6f7fa;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: #fff;
    background: linear-gradient(145deg, #7488e3, #465cc1);
    border-radius: 13px 13px 13px 5px;
    box-shadow: 0 8px 20px rgba(78, 96, 194, .25);
    font: 800 22px/1 Georgia, serif;
}
.brand-mark-ai { font: 900 14px/1 Inter, ui-sans-serif, sans-serif; letter-spacing: -.5px; }
.brand > span:last-child { display: flex; flex-direction: column; }
.brand strong { font-size: 19px; letter-spacing: -.25px; }
.brand small { margin-top: 2px; color: #9299aa; font-size: 10px; letter-spacing: 1.3px; }

.site-header { height: 78px; background: rgba(255,255,255,.9); border-bottom: 1px solid rgba(224,227,235,.8); backdrop-filter: blur(16px); }
.site-header-inner { max-width: 1120px; height: 100%; margin: auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
.account-strip { display: flex; align-items: center; gap: 16px; }
.code-identity { padding-right: 17px; border-right: 1px solid var(--line); display: flex; flex-direction: column; text-align: right; }
.code-identity small { font-size: 10px; color: #969dae; }
.code-identity strong { margin-top: 2px; font: 600 12px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; color: #555f75; letter-spacing: .4px; }
.balance-pill { display: flex; align-items: baseline; gap: 5px; padding: 9px 14px; color: #4b60bd; background: var(--primary-soft); border: 1px solid #dfe3ff; border-radius: 12px; }
.balance-pill span { font-size: 11px; color: #6e79ad; }
.balance-pill strong { font-size: 22px; line-height: 1; }
.balance-pill em { font-style: normal; font-size: 11px; }
.icon-btn { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 11px; color: #7d8598; background: #fff; cursor: pointer; transition: .2s; }
.icon-btn:hover { border-color: #cbd1e0; color: var(--primary); background: #fafaff; }

.portal-shell { width: min(100% - 36px, 1050px); margin: 0 auto; padding: 36px 0; }
.hero-copy { text-align: center; margin-bottom: 30px; }
.eyebrow { display: inline-block; color: rgba(255,255,255,.72); text-transform: uppercase; font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.eyebrow.dark { color: var(--primary); }
.hero-copy h1 { margin: 10px 0 8px; font-size: clamp(27px, 4vw, 38px); letter-spacing: -1.2px; }
.hero-copy p { margin: 0; color: var(--muted); font-size: 14px; }
.portal-hero { margin-bottom: 24px; }
.portal-hero h1 { margin-top: 8px; }
.portal-proof { display: grid; max-width: 760px; margin: 22px auto 0; grid-template-columns: 1fr 1fr; gap: 10px; text-align: left; }
.portal-proof > div { position: relative; display: grid; padding: 15px 17px; grid-template-columns: 1fr auto; gap: 5px 14px; border: 1px solid #e1e5f7; border-radius: 13px; background: rgba(255,255,255,.8); box-shadow: 0 9px 25px rgba(44,57,112,.06); }
.portal-proof > div > span { grid-column: 1 / -1; color: #7d88ae; font-size: 10px; font-weight: 800; letter-spacing: .8px; text-transform: uppercase; }
.portal-proof strong { font-size: 13px; }
.portal-proof strong i { margin: 0 5px; color: #7484ce; font-style: normal; }
.portal-proof em { align-self: center; padding: 4px 7px; border-radius: 99px; color: #5368c6; background: #edf0ff; font-size: 10px; font-style: normal; font-weight: 800; white-space: nowrap; }
.portal-proof .portal-proof-zero { border-color: #d8ede5; background: rgba(248,253,251,.9); }
.portal-proof-zero em { color: #287f63; background: #e5f6ef; }

.portal-card { background: var(--surface); border: 1px solid #e9ebf2; border-radius: 19px; box-shadow: var(--shadow); overflow: hidden; }
.tabs { display: flex; height: 68px; padding: 0 28px; border-bottom: 1px solid var(--line); }
.tab { position: relative; min-width: 155px; padding: 0 20px; border: 0; color: #858da0; background: transparent; font-size: 14px; font-weight: 700; cursor: pointer; }
.tab > span { margin-right: 7px; font-size: 17px; }
.tab > em { margin-left: 5px; padding: 2px 7px; border-radius: 99px; color: #7f88a0; background: #eef0f4; font-size: 10px; font-style: normal; }
.tab::after { position: absolute; right: 16px; bottom: -1px; left: 16px; height: 3px; border-radius: 3px 3px 0 0; background: transparent; content: ""; }
.tab.active { color: var(--primary); }
.tab.active::after { background: var(--primary); }
.tab-panel { display: none; padding: 34px 40px 40px; }
.tab-panel.active { display: block; animation: panel-in .25s ease; }
@keyframes panel-in { from { opacity: 0; transform: translateY(4px); } }

.section-heading h2, .report-toolbar h2, .upload-block h2 { margin: 0; font-size: 16px; }
.section-heading p, .report-toolbar p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.version-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0 30px; }
.version-card { position: relative; display: flex; align-items: center; gap: 14px; padding: 16px; border: 1.5px solid var(--line); border-radius: 13px; background: #fff; cursor: pointer; transition: .2s; }
.version-card:hover { border-color: #cdd3eb; }
.version-card.selected { border-color: #8b9be3; background: #f8f9ff; box-shadow: 0 0 0 3px rgba(91,111,211,.07); }
.version-card input { position: absolute; opacity: 0; pointer-events: none; }
.version-card > i { position: absolute; top: 12px; right: 12px; display: none; width: 18px; height: 18px; place-items: center; border-radius: 50%; color: #fff; background: var(--primary); font-size: 10px; font-style: normal; }
.version-card.selected > i { display: grid; }
.version-icon { display: grid; place-items: center; width: 46px; height: 46px; flex: 0 0 46px; border-radius: 12px; color: #4e64c4; background: #e9edff; font-size: 11px; font-weight: 900; }
.version-icon.uk { color: #296d91; background: #e5f4f8; }
.version-card > span:nth-of-type(2) { display: flex; flex-direction: column; }
.version-card strong { font-size: 14px; }
.version-card small { margin-top: 4px; color: var(--muted); font-size: 11px; }
.upload-block h2 span { color: var(--danger); }
.drop-zone { position: relative; display: flex; min-height: 210px; margin-top: 13px; flex-direction: column; align-items: center; justify-content: center; border: 1.5px dashed #aeb9ea; border-radius: 14px; background: #fafbff; cursor: pointer; transition: .2s; }
.drop-zone:hover, .drop-zone.dragging { border-color: var(--primary); background: #f5f7ff; }
.drop-zone.has-file { border-style: solid; border-color: #88cfb4; background: #f5fcf9; }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload-orb { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 13px; border-radius: 15px; color: var(--primary); background: #e9edff; font-size: 24px; font-weight: 300; }
.drop-zone > strong { font-size: 14px; }
.drop-zone > small { margin-top: 6px; color: var(--muted); font-size: 11px; }
.select-file { margin-top: 15px; padding: 7px 14px; border: 1px solid #dfe3f1; border-radius: 8px; color: #5666b5; background: #fff; font-size: 11px; font-weight: 700; }
.submit-bar { display: flex; justify-content: space-between; align-items: center; margin-top: 25px; padding-top: 24px; border-top: 1px solid var(--line); }
.submit-bar > div { display: flex; align-items: center; gap: 10px; }
.mini-shield { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: var(--success); background: var(--success-soft); }
.submit-bar p { display: flex; margin: 0; flex-direction: column; }
.submit-bar p strong { font-size: 12px; }
.submit-bar p small { margin-top: 3px; color: var(--muted); font-size: 10px; }

.btn { display: inline-flex; min-height: 43px; padding: 0 20px; align-items: center; justify-content: center; gap: 14px; border: 0; border-radius: 10px; font-size: 13px; font-weight: 750; cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s; }
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn-primary { color: #fff; background: linear-gradient(100deg, #687ddd, #4c62c7); box-shadow: 0 8px 20px rgba(82,101,198,.18); }
.btn-primary:hover:not(:disabled) { box-shadow: 0 11px 24px rgba(82,101,198,.26); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-ghost { color: #566079; background: #f4f5f8; box-shadow: none; }
.btn-small { min-height: 34px; padding: 0 13px; border-radius: 8px; font-size: 11px; white-space: nowrap; }
.form-message { margin-top: 18px; padding: 12px 14px; border-radius: 10px; font-size: 12px; }
.form-message.success { color: #247557; background: var(--success-soft); }
.form-message.danger { color: #a93e49; background: var(--danger-soft); }

.report-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.search-box { display: flex; width: 280px; height: 40px; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: #fafbfc; }
.search-box span { color: #9aa1b2; }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 12px; }
.reports-list { display: grid; gap: 11px; }
.report-card { display: grid; grid-template-columns: 45px minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: #fff; transition: .2s; }
.report-card:hover { border-color: #d7dced; box-shadow: 0 7px 20px rgba(42,51,87,.06); }
.file-type { display: grid; place-items: center; width: 43px; height: 50px; border-radius: 7px 12px 7px 7px; color: #5268c8; background: #edf0ff; font-size: 9px; font-weight: 900; }
.report-main { min-width: 0; }
.report-title-row { display: flex; align-items: center; gap: 10px; }
.report-title-row h3 { max-width: 430px; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.status { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: 99px; font-size: 9px; font-weight: 700; white-space: nowrap; }
.status i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.status.success { color: var(--success); background: var(--success-soft); }
.status.info { color: var(--info); background: #edf5ff; }
.status.warning { color: var(--warning); background: var(--warning-soft); }
.status.danger { color: var(--danger); background: var(--danger-soft); }
.status.muted { color: var(--muted); background: #f0f1f4; }
.report-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 7px; color: #9299a9; font-size: 9px; }
.report-meta span:not(:last-child)::after { margin-left: 16px; color: #d4d7df; content: "·"; }
.report-action { min-width: 116px; text-align: right; }
.report-downloads { display: flex; align-items: stretch; justify-content: flex-end; gap: 7px; flex-wrap: wrap; }
.btn-ai { color: #fff; background: linear-gradient(100deg, #2e9d80, #247d68); box-shadow: 0 8px 20px rgba(41,139,113,.16); }
.no-report-badge { display: inline-flex; min-height: 38px; padding: 0 13px; align-items: center; justify-content: center; border: 1px solid #e1e4ea; border-radius: 8px; color: #8e96a7; background: #f5f6f8; font-size: 12px; white-space: nowrap; }
.hide-record-btn { min-height: 38px; padding: 0 11px; border: 1px solid #f0d9dc; border-radius: 8px; color: #c5545f; background: #fff7f8; font-size: 12px; font-weight: 700; white-space: nowrap; cursor: pointer; transition: .18s; }
.hide-record-btn:hover:not(:disabled) { color: #a73843; border-color: #e8c2c7; background: #fff0f1; }
.hide-record-btn:disabled { opacity: .55; cursor: wait; }
.report-card.removing { opacity: 0; transform: translateX(12px); }
.failure-note { margin-top: 8px; color: var(--danger); font-size: 10px; }
.muted-text { color: #999fad; font-size: 9px; }
.processing-dots { display: inline-flex; gap: 4px; }
.processing-dots i { width: 5px; height: 5px; border-radius: 50%; background: #8796dc; animation: dots 1.1s infinite; }
.processing-dots i:nth-child(2) { animation-delay: .15s; }
.processing-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes dots { 0%, 70%, 100% { opacity: .25; transform: translateY(0); } 35% { opacity: 1; transform: translateY(-3px); } }
.empty-state { padding: 62px 20px; text-align: center; color: var(--muted); }
.empty-state > span { display: grid; place-items: center; width: 58px; height: 58px; margin: 0 auto 13px; border-radius: 18px; color: #8190d5; background: var(--primary-soft); font-size: 26px; }
.empty-state h3 { margin: 0; color: var(--ink); font-size: 15px; }
.empty-state p { margin: 6px 0 0; font-size: 11px; }
.report-pagination { display: flex; min-height: 66px; margin-top: 18px; padding-top: 16px; align-items: center; justify-content: space-between; gap: 15px; border-top: 1px solid var(--line); }
.report-pagination[hidden] { display: none; }
.report-pagination-summary { color: var(--muted); font-size: 12px; }
.report-pagination-buttons { display: flex; align-items: center; gap: 6px; }
.report-pagination button, .report-pagination .ellipsis { display: grid; min-width: 36px; height: 36px; padding: 0 8px; place-items: center; border: 1px solid var(--line); border-radius: 8px; color: #5f687b; background: #fff; font-size: 12px; font-weight: 700; }
.report-pagination button:not(:disabled) { cursor: pointer; }
.report-pagination button:not(:disabled):hover { color: var(--primary); border-color: #bdc6ee; background: #f7f8ff; }
.report-pagination button.active { color: #fff; border-color: var(--primary); background: var(--primary); }
.report-pagination button:disabled:not(.active) { color: #bdc2cc; background: #f6f7f9; }
.report-pagination .ellipsis { min-width: 23px; padding: 0; border-color: transparent; background: transparent; }
.feature-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 24px; padding: 0 14px; }
.feature-row > div { display: flex; align-items: center; justify-content: center; gap: 11px; color: #7c859a; }
.feature-row > div:not(:last-child) { border-right: 1px solid #dfe2e9; }
.feature-row > div > span { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 10px; color: #6376ce; background: #eaedfb; }
.feature-row p { display: flex; margin: 0; flex-direction: column; }
.feature-row strong { color: #535d73; font-size: 11px; }
.feature-row small { margin-top: 2px; font-size: 9px; }
.site-footer { padding: 24px; text-align: center; color: #9ba1af; font-size: 10px; }

/* 登录与安装 */
.auth-page, .customer-login { min-height: 100vh; }
.auth-page { display: grid; place-items: center; padding: 28px; background: #eff1f7; }
.auth-shell { display: grid; width: min(100% - 40px, 1080px); min-height: 660px; margin: 38px auto; grid-template-columns: .96fr 1.04fr; border-radius: 24px; background: #fff; box-shadow: 0 30px 80px rgba(30,40,78,.16); overflow: hidden; }
.auth-panel { padding: 50px; }
.auth-copy { position: relative; display: flex; flex-direction: column; color: #fff; background: linear-gradient(145deg, #596dcc, #384b9d); overflow: hidden; }
.auth-copy::before, .auth-copy::after { position: absolute; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; content: ""; }
.auth-copy::before { width: 420px; height: 420px; right: -220px; bottom: -150px; }
.auth-copy::after { width: 260px; height: 260px; right: -125px; bottom: -68px; }
.brand-light small { color: rgba(255,255,255,.6); }
.brand-light .brand-mark, .auth-copy .brand-mark { color: #5166bd; background: #fff; box-shadow: 0 8px 24px rgba(25,37,91,.25); }
.auth-intro { position: relative; z-index: 1; margin: auto 0; }
.auth-intro h1 { margin: 14px 0 18px; font-size: clamp(31px, 4vw, 43px); line-height: 1.25; letter-spacing: -1.4px; }
.auth-intro h1 span { color: #c9d2ff; }
.auth-intro p { max-width: 390px; margin: 0; color: rgba(255,255,255,.68); font-size: 13px; line-height: 1.8; }
.auth-intro .eyebrow { display: inline-flex; align-items: center; gap: 8px; }
.auth-intro .eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: #93e0c3; box-shadow: 0 0 0 5px rgba(147,224,195,.12); }
.trust-row { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3,1fr); padding-top: 23px; border-top: 1px solid rgba(255,255,255,.14); }
.trust-row > div { display: flex; flex-direction: column; }
.trust-row strong { font-size: 18px; }
.trust-row span { margin-top: 4px; color: rgba(255,255,255,.55); font-size: 9px; }
.auth-form-panel { display: flex; flex-direction: column; justify-content: center; padding: 48px 58px; }
.auth-form-panel h2 { margin: 10px 0 8px; font-size: 27px; letter-spacing: -.6px; }
.form-lead { margin: 0 0 29px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.form-lead code { color: #4f61b9; }
.benchmark-card { margin: 0 0 22px; padding: 14px; border: 1px solid #e5e8f4; border-radius: 14px; background: #f8f9fd; }
.benchmark-head { display: flex; margin-bottom: 10px; align-items: center; justify-content: space-between; }
.benchmark-head strong { font-size: 12px; }
.benchmark-head span { color: #9299aa; font-size: 9px; }
.benchmark-row { display: grid; min-height: 56px; padding: 8px 10px; grid-template-columns: 74px 20px minmax(105px,1fr) auto; align-items: center; gap: 7px; border: 1px solid #e5e8f4; border-radius: 10px; background: #fff; }
.benchmark-row + .benchmark-row { margin-top: 7px; }
.benchmark-row > div { display: flex; min-width: 0; flex-direction: column; }
.benchmark-row small { color: #9199aa; font-size: 8px; }
.benchmark-row strong { margin-top: 2px; overflow: hidden; text-overflow: ellipsis; color: #4c5876; font-size: 12px; white-space: nowrap; }
.benchmark-arrow { color: #a2a9bb; text-align: center; }
.benchmark-row em { padding: 4px 7px; border-radius: 99px; color: #5166c2; background: #edf0ff; font-size: 9px; font-style: normal; font-weight: 800; white-space: nowrap; }
.benchmark-row-zero { border-color: #d9eee6; background: #fbfefc; }
.benchmark-row-zero em { color: #277c61; background: #e6f6ef; }
.stack-form { display: grid; gap: 17px; }
.stack-form label { display: grid; gap: 7px; color: #4a5368; font-size: 11px; font-weight: 700; }
.stack-form input, .stack-form select, .stack-form textarea { width: 100%; min-height: 45px; padding: 0 13px; outline: 0; border: 1px solid #dfe2e9; border-radius: 9px; color: var(--ink); background: #fbfbfd; font-size: 13px; transition: .2s; }
.stack-form textarea { min-height: 90px; padding-top: 12px; resize: vertical; }
.stack-form input:focus, .stack-form select:focus, .stack-form textarea:focus { border-color: #8393dd; box-shadow: 0 0 0 3px rgba(94,114,208,.09); background: #fff; }
.input-with-icon { position: relative; display: flex; align-items: center; }
.input-with-icon > span { position: absolute; left: 13px; z-index: 1; color: #8a94aa; font-size: 15px; }
.input-with-icon input { padding-left: 39px; text-transform: uppercase; letter-spacing: 1px; }
.code-login-form .btn { min-height: 48px; margin-top: 3px; }
.safe-note { display: flex; gap: 11px; margin-top: 25px; padding: 15px; border-radius: 11px; background: #f5f8f7; }
.safe-note > span { display: grid; place-items: center; width: 27px; height: 27px; flex: 0 0 27px; border-radius: 9px; color: #388d6c; background: #e1f3eb; font-size: 11px; }
.safe-note p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.safe-note strong { color: #4c5966; }
.alert { margin: 0 0 18px; padding: 12px 14px; border-radius: 10px; font-size: 11px; line-height: 1.55; }
.alert.danger { color: #a13d47; background: var(--danger-soft); border: 1px solid #f5d9dc; }
.alert.success { color: #237054; background: var(--success-soft); border: 1px solid #ccebdd; }
.install-shell { margin: 0; min-height: 590px; }
.install-steps { position: relative; z-index: 1; display: flex; align-items: center; }
.install-steps span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; color: rgba(255,255,255,.6); font-size: 10px; }
.install-steps span.done, .install-steps span.active { color: #4b5fb7; background: #fff; border-color: #fff; }
.install-steps b { height: 1px; flex: 1; background: rgba(255,255,255,.25); }
.install-labels { position: relative; z-index: 1; display: flex; justify-content: space-between; margin-top: 8px; color: rgba(255,255,255,.55); font-size: 8px; }
.success-orb { display: grid; place-items: center; width: 62px; height: 62px; margin-bottom: 10px; border-radius: 20px; color: var(--success); background: var(--success-soft); font-size: 28px; }
.seed-code { display: flex; margin-bottom: 18px; padding: 15px; flex-direction: column; align-items: center; border: 1px dashed #aab4e5; border-radius: 11px; background: #f8f9ff; }
.seed-code small { color: var(--muted); font-size: 9px; }
.seed-code strong { margin-top: 5px; color: #4d60ba; font: 700 18px/1 ui-monospace, monospace; letter-spacing: 1.5px; }
.auth-form-panel > .btn + .btn { margin-top: 10px; }

@media (max-width: 780px) {
    .site-header { height: auto; }
    .site-header-inner { padding: 14px 18px; gap: 15px; }
    .site-header .brand small, .code-identity { display: none; }
    .account-strip { gap: 8px; }
    .balance-pill { padding: 8px 10px; }
    .balance-pill span { display: none; }
    .portal-shell { width: min(100% - 24px, 1050px); padding-top: 36px; }
    .tab-panel { padding: 25px 18px 26px; }
    .tabs { height: 62px; padding: 0 5px; }
    .tab { min-width: 0; flex: 1; padding: 0 6px; }
    .version-grid { grid-template-columns: 1fr; }
    .submit-bar { align-items: stretch; gap: 18px; flex-direction: column; }
    .submit-bar .btn { width: 100%; }
    .report-toolbar { align-items: stretch; flex-direction: column; }
    .search-box { width: 100%; }
    .report-pagination { align-items: stretch; flex-direction: column; }
    .report-pagination-summary { text-align: center; }
    .report-pagination-buttons { justify-content: center; flex-wrap: wrap; }
    .report-card { grid-template-columns: 43px minmax(0,1fr) auto; }
    .report-action { grid-column: 3; grid-row: 1; }
    .feature-row { gap: 10px; padding: 0; }
    .feature-row > div { flex-direction: column; text-align: center; }
    .feature-row p small { display: none; }
    .auth-shell { width: min(100% - 24px, 620px); margin: 18px auto; grid-template-columns: 1fr; }
    .auth-panel { padding: 34px 28px; }
    .auth-copy { min-height: 315px; }
    .auth-intro { margin: 45px 0; }
    .auth-intro h1 { font-size: 30px; }
    .auth-form-panel { padding: 42px 28px; }
    .portal-proof { grid-template-columns: 1fr; }
    .install-shell .auth-copy { min-height: 365px; }
}

@media (max-width: 470px) {
    .site-header .brand strong { font-size: 15px; }
    .site-header .brand-mark { width: 34px; height: 34px; }
    .balance-pill strong { font-size: 18px; }
    .hero-copy h1 { font-size: 26px; }
    .drop-zone { min-height: 190px; }
    .report-card { grid-template-columns: 40px minmax(0,1fr); }
    .report-action { grid-column: 1 / -1; grid-row: auto; text-align: left; }
    .report-action .btn { width: 100%; }
    .report-meta span::after { display: none; }
    .feature-row strong { font-size: 9px; }
    .benchmark-row { grid-template-columns: 62px 16px minmax(90px,1fr) auto; padding: 8px; gap: 5px; }
    .benchmark-row strong { font-size: 11px; }
    .benchmark-row em { font-size: 8px; }
}

/* 可读性优化：统一放大主要文字层级 */
body { font-size: 15px; line-height: 1.5; }
.brand strong { font-size: 21px; }
.brand small { font-size: 11px; }
.code-identity small { font-size: 12px; }
.code-identity strong { font-size: 14px; }
.balance-pill span, .balance-pill em { font-size: 12px; }
.hero-copy .eyebrow { font-size: 12px; }
.hero-copy p { font-size: 15px; }
.tab { font-size: 16px; }
.tab > em { font-size: 11px; }
.section-heading h2, .report-toolbar h2, .upload-block h2 { font-size: 19px; }
.section-heading p, .report-toolbar p { font-size: 14px; }
.version-card { padding: 18px; }
.version-card strong { font-size: 16px; }
.version-card small { font-size: 13px; }
.version-icon { font-size: 12px; }
.drop-zone > strong { font-size: 16px; }
.drop-zone > small { font-size: 13px; }
.select-file { font-size: 13px; }
.submit-bar p strong { font-size: 14px; }
.submit-bar p small { font-size: 12px; }
.btn { min-height: 46px; font-size: 15px; }
.btn-small { min-height: 38px; font-size: 12px; }
.form-message { font-size: 14px; }
.search-box { height: 44px; }
.search-box input { font-size: 14px; }
.report-title-row h3 { font-size: 15px; }
.status { padding: 5px 9px; font-size: 11px; }
.report-meta { margin-top: 8px; font-size: 12px; }
.failure-note { font-size: 12px; }
.muted-text { font-size: 12px; }
.file-type { font-size: 10px; }
.feature-row strong { font-size: 14px; }
.feature-row small { font-size: 11px; }
.site-footer { font-size: 12px; }
.eyebrow { font-size: 12px; }
.auth-intro p { font-size: 15px; }
.trust-row strong { font-size: 21px; }
.trust-row span { font-size: 11px; }
.auth-form-panel h2 { font-size: 30px; }
.form-lead { font-size: 14px; }
.stack-form label { font-size: 13px; }
.stack-form input, .stack-form select, .stack-form textarea { min-height: 49px; font-size: 15px; }
.safe-note p { font-size: 12px; }
.alert { font-size: 13px; }
.seed-code small { font-size: 11px; }

@media (max-width: 780px) {
    .site-header .brand strong { font-size: 18px; }
    .tab { font-size: 15px; }
    .feature-row strong { font-size: 12px; }
}

@media (max-width: 470px) {
    .hero-copy p { font-size: 13px; }
    .section-heading h2, .report-toolbar h2, .upload-block h2 { font-size: 17px; }
    .version-card strong { font-size: 15px; }
    .version-card small, .drop-zone > small { font-size: 12px; }
    .report-meta { font-size: 11px; }
    .feature-row strong { font-size: 11px; }
}

/* 高端视觉重构：登录页与用户工作台 */
:root {
    --ink: #111827;
    --muted: #70798b;
    --line: #e5e8ee;
    --surface: #ffffff;
    --soft: #f5f6f8;
    --primary: #3155cf;
    --primary-dark: #1f3eaa;
    --primary-soft: #edf1ff;
    --success: #23866b;
    --success-soft: #e7f5f0;
    --luxury: #ccb37b;
    --night: #08111f;
    --night-soft: #101d31;
    --shadow: 0 28px 80px rgba(8, 17, 31, .14);
}

body { color: var(--ink); letter-spacing: -.01em; }

.brand { gap: 13px; }
.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    color: #0b1423;
    background: linear-gradient(145deg, #f0dfb9, #bea066);
    box-shadow: 0 10px 28px rgba(189, 158, 96, .2);
}
.brand-mark-ai { font-size: 13px; letter-spacing: .04em; }
.brand strong { font-size: 20px; font-weight: 760; letter-spacing: -.03em; }
.brand small { margin-top: 3px; font-size: 9px; font-weight: 650; letter-spacing: .18em; text-transform: uppercase; }

/* 登录页 */
.login-page {
    position: relative;
    min-height: 100vh;
    padding: 1px 0;
    background:
        radial-gradient(circle at 15% 5%, rgba(62, 91, 150, .25), transparent 29rem),
        radial-gradient(circle at 85% 92%, rgba(184, 148, 80, .11), transparent 27rem),
        #060b13;
}
.login-page .auth-shell {
    width: min(100% - 64px, 1160px);
    min-height: 700px;
    margin: 42px auto;
    grid-template-columns: 1.08fr .92fr;
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 28px;
    background: #f8f8f6;
    box-shadow: 0 45px 120px rgba(0, 0, 0, .42);
}
.login-page .auth-copy {
    isolation: isolate;
    padding: 58px 60px;
    background: linear-gradient(150deg, #111e33 0%, #091321 62%, #0c1829 100%);
}
.login-page .auth-copy::before {
    z-index: -1;
    width: 520px;
    height: 520px;
    right: -240px;
    bottom: -240px;
    border: 0;
    background: radial-gradient(circle, rgba(204,179,123,.18), transparent 64%);
}
.login-page .auth-copy::after {
    z-index: -1;
    inset: 0;
    width: auto;
    height: auto;
    border: 0;
    border-radius: 0;
    opacity: .23;
    background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom right, #000, transparent 70%);
}
.login-page .brand-light .brand-mark { color: #0b1423; background: linear-gradient(145deg, #f3e4c3, #c4a56b); box-shadow: 0 12px 32px rgba(0,0,0,.3); }
.login-page .brand-light small { color: rgba(255,255,255,.46); }
.login-page .auth-intro { margin: auto 0 80px; }
.login-page .auth-intro .eyebrow { color: #d9c28f; font-size: 10px; letter-spacing: .19em; }
.login-page .auth-intro .eyebrow i { width: 5px; height: 5px; background: #d9c28f; box-shadow: 0 0 0 5px rgba(217,194,143,.1); }
.login-page .auth-intro h1 { max-width: 530px; margin: 22px 0 22px; font-size: clamp(40px, 4.4vw, 55px); line-height: 1.16; font-weight: 700; letter-spacing: -.055em; }
.login-page .auth-intro h1 span { color: #d9c28f; }
.login-page .auth-intro p { max-width: 470px; color: rgba(255,255,255,.61); font-size: 15px; line-height: 1.9; }
.login-page .trust-row { padding-top: 26px; border-color: rgba(255,255,255,.11); }
.login-page .trust-row > div { padding-left: 20px; }
.login-page .trust-row > div:first-child { padding-left: 0; }
.login-page .trust-row > div:not(:last-child) { border-right: 1px solid rgba(255,255,255,.1); }
.login-page .trust-row strong { color: #fff; font-size: 24px; font-weight: 650; letter-spacing: -.04em; }
.login-page .trust-row span { color: rgba(255,255,255,.42); font-size: 10px; letter-spacing: .03em; }
.login-page .auth-form-panel { padding: 52px 64px; background: #fafaf8; }
.login-page .auth-form-panel > .eyebrow { color: #9a7f49; font-size: 10px; letter-spacing: .18em; }
.login-page .auth-form-panel h2 { margin: 14px 0 8px; font-size: 31px; font-weight: 720; letter-spacing: -.045em; }
.login-page .form-lead { margin-bottom: 26px; color: #7c8492; font-size: 13px; }
.login-page .benchmark-card { margin-bottom: 22px; padding: 14px; border-color: #e6e5df; border-radius: 15px; background: #f3f3ef; }
.login-page .benchmark-head { padding: 0 2px 3px; }
.login-page .benchmark-head strong { color: #353c49; font-size: 12px; }
.login-page .benchmark-head span { color: #969a9f; font-size: 9px; }
.login-page .benchmark-row { border-color: #e4e3dc; border-radius: 11px; box-shadow: 0 4px 14px rgba(25,32,45,.035); }
.login-page .benchmark-row em { color: #273d76; background: #edf1fa; }
.login-page .benchmark-row-zero { border-color: #dce9e3; }
.login-page .benchmark-row-zero em { color: #21745c; background: #e7f4ee; }
.login-page .stack-form input { min-height: 54px; border-color: #dedfdc; border-radius: 11px; background: #fff; }
.login-page .stack-form input:focus { border-color: #a99365; box-shadow: 0 0 0 4px rgba(177,150,94,.1); }
.login-page .code-login-form .btn { min-height: 54px; border-radius: 11px; background: linear-gradient(135deg, #162640, #243a5e); box-shadow: 0 14px 30px rgba(14,28,49,.2); }
.login-page .code-login-form .btn:hover:not(:disabled) { box-shadow: 0 18px 38px rgba(14,28,49,.27); }
.login-page .safe-note { margin-top: 22px; border: 1px solid #e5e8e4; border-radius: 12px; background: #f1f5f2; }

/* 登录后的用户工作台 */
.portal-page {
    min-height: 100vh;
    background: linear-gradient(180deg, #08111f 0, #101d31 510px, #eef1f5 510px, #f3f5f8 100%);
}
.portal-page .site-header { height: 84px; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(8,17,31,.82); backdrop-filter: blur(20px); }
.portal-page .site-header-inner { max-width: 1180px; }
.portal-page .brand strong { color: #fff; }
.portal-page .brand small { color: rgba(255,255,255,.42); }
.portal-page .code-identity { border-color: rgba(255,255,255,.12); }
.portal-page .code-identity small { color: rgba(255,255,255,.42); }
.portal-page .code-identity strong { color: rgba(255,255,255,.76); }
.portal-page .balance-pill { color: #ead8ad; border-color: rgba(220,194,138,.2); background: rgba(204,179,123,.1); }
.portal-page .balance-pill span { color: rgba(255,255,255,.5); }
.portal-page .icon-btn { color: rgba(255,255,255,.58); border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.04); }
.portal-page .icon-btn:hover { color: #fff; border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.08); }
.portal-page .portal-shell { width: min(100% - 48px, 1160px); padding: 62px 0 40px; }
.portal-page .portal-hero { display: grid; margin: 0 0 38px; grid-template-columns: 1.08fr .92fr; align-items: end; gap: 70px; text-align: left; }
.portal-page .portal-hero-copy { padding-bottom: 6px; }
.portal-page .portal-hero .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #d7bd84; font-size: 10px; letter-spacing: .2em; }
.portal-page .portal-hero .eyebrow i { width: 5px; height: 5px; border-radius: 50%; background: #d7bd84; box-shadow: 0 0 0 5px rgba(215,189,132,.1); }
.portal-page .portal-hero h1 { margin: 15px 0 16px; color: #fff; font-size: clamp(36px, 4vw, 49px); line-height: 1.15; font-weight: 690; letter-spacing: -.055em; }
.portal-page .portal-hero h1 span { color: #d8c08d; }
.portal-page .portal-hero-copy > p { max-width: 570px; color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.8; }
.hero-chips { display: flex; margin-top: 22px; flex-wrap: wrap; gap: 8px; }
.hero-chips span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.1); border-radius: 99px; color: rgba(255,255,255,.56); background: rgba(255,255,255,.035); font-size: 10px; }
.portal-page .portal-proof { max-width: none; margin: 0; grid-template-columns: 1fr 1fr; gap: 12px; }
.portal-page .portal-proof > div { display: block; min-height: 164px; padding: 20px; border-color: rgba(255,255,255,.11); border-radius: 17px; background: rgba(255,255,255,.055); box-shadow: none; backdrop-filter: blur(12px); }
.portal-page .portal-proof > div > span { display: block; color: rgba(255,255,255,.46); font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.portal-page .portal-proof strong { display: block; margin: 10px 0 11px; color: #fff; font-size: 42px; font-weight: 620; line-height: 1; letter-spacing: -.06em; }
.portal-page .portal-proof strong sup { margin-left: 2px; color: #d7bd84; font-size: 16px; }
.portal-page .portal-proof p { margin: 0; color: rgba(255,255,255,.52); font-size: 10px; line-height: 1.6; }
.portal-page .portal-proof p i { margin: 0 3px; color: #d7bd84; font-style: normal; }
.portal-page .portal-proof .portal-proof-zero { border-color: rgba(114,204,175,.18); background: rgba(77,158,133,.075); }
.portal-page .portal-proof { position: relative; }
.portal-page .portal-proof > .ai-brain-visual {
    position: absolute;
    right: 0;
    bottom: calc(100% + 16px);
    left: 0;
    display: block;
    min-height: 0;
    height: 152px;
    padding: 0;
    overflow: hidden;
    border: 1px solid rgba(215,189,132,.12);
    border-radius: 18px;
    background:
        radial-gradient(circle at 50% 54%, rgba(201,169,101,.12), transparent 31%),
        linear-gradient(135deg,rgba(255,255,255,.026),rgba(255,255,255,.008));
    box-shadow: inset 0 0 40px rgba(16,39,64,.28);
    pointer-events: none;
}
.ai-brain-visual::before {
    position: absolute;
    inset: 0;
    opacity: .32;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
    content: "";
}
.brain-status {
    position: absolute;
    top: 14px;
    left: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 7px;
    color: rgba(234,213,167,.7);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .16em;
}
.brain-status i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #65d2b0;
    box-shadow: 0 0 0 4px rgba(101,210,176,.1),0 0 12px #65d2b0;
    animation: brain-status-pulse 1.8s ease-in-out infinite;
}
.ai-brain-svg { position: absolute; inset: 3px 0 0; width: 100%; height: 146px; }
.brain-orbits { fill: none; stroke: rgba(215,189,132,.16); stroke-width: .8; stroke-dasharray: 3 7; transform-origin: 250px 77px; animation: brain-orbit 18s linear infinite; }
.brain-orbits ellipse:last-child { stroke: rgba(102,205,176,.13); stroke-dasharray: 2 8; animation: brain-dash 9s linear infinite reverse; }
.brain-outline { fill: rgba(18,42,67,.72); stroke: url(#brainStroke); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.neural-line { fill: none; stroke: rgba(226,201,145,.58); stroke-width: 1; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 5 5; animation: brain-dash 3.8s linear infinite; }
.neural-line.line-b { stroke: rgba(105,213,181,.52); animation-duration: 4.6s; animation-direction: reverse; }
.neural-line.line-c { opacity: .6; animation-duration: 6s; }
.brain-nodes circle { fill: #e1c681; stroke: rgba(255,255,255,.55); stroke-width: .6; transform-box: fill-box; transform-origin: center; animation: brain-node 2.4s ease-in-out infinite; }
.brain-nodes circle:nth-child(3n+2) { fill: #6dd2b5; animation-delay: -.8s; }
.brain-nodes circle:nth-child(3n) { animation-delay: -1.6s; }
.data-lines { fill: none; stroke: rgba(122,159,180,.28); stroke-width: .8; stroke-dasharray: 4 5; animation: brain-dash 7s linear infinite; }
.data-nodes circle { fill: #d8bc7d; filter: drop-shadow(0 0 4px rgba(216,188,125,.75)); animation: data-node 2.2s ease-in-out infinite; }
.data-nodes circle:nth-child(even) { fill: #69cdae; animation-delay: -1.1s; }
.brain-readout {
    position: absolute;
    right: 16px;
    bottom: 12px;
    z-index: 2;
    display: grid;
    text-align: right;
}
.brain-readout span { color: rgba(255,255,255,.28); font-size: 7px; letter-spacing: .14em; }
.brain-readout strong { margin: 2px 0 0 !important; color: rgba(112,213,184,.75) !important; font-size: 9px !important; font-weight: 800 !important; letter-spacing: .1em !important; }
.brain-readout i { margin-top: 2px; color: rgba(255,255,255,.2); font: normal 7px/1 ui-monospace,SFMono-Regular,Consolas,monospace; letter-spacing: .12em; }
.brain-scan {
    position: absolute;
    top: 22px;
    bottom: 16px;
    left: 30%;
    z-index: 1;
    width: 1px;
    background: linear-gradient(transparent,rgba(104,214,182,.7),transparent);
    box-shadow: 0 0 13px rgba(104,214,182,.45);
    animation: brain-scan 4.8s ease-in-out infinite;
}
@keyframes brain-status-pulse { 0%,100% { opacity: .55; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.18); } }
@keyframes brain-dash { to { stroke-dashoffset: -40; } }
@keyframes brain-orbit { to { transform: rotate(360deg); } }
@keyframes brain-node { 0%,100% { opacity: .45; transform: scale(.75); } 50% { opacity: 1; transform: scale(1.35); } }
@keyframes data-node { 0%,100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes brain-scan { 0%,100% { left: 30%; opacity: 0; } 18%,82% { opacity: .9; } 50% { left: 70%; } }

.portal-page .portal-card {
    display: grid;
    min-height: 610px;
    grid-template-columns: 218px minmax(0, 1fr);
    border: 1px solid rgba(255,255,255,.72);
    border-radius: 22px;
    background: rgba(255,255,255,.97);
    box-shadow: 0 30px 80px rgba(18,29,49,.16);
}
.portal-page .tabs {
    display: flex;
    height: auto;
    min-height: 610px;
    padding: 26px 17px;
    grid-column: 1;
    grid-row: 1;
    flex-direction: column;
    border: 0;
    color: #fff;
    background: linear-gradient(160deg, #101e33, #0b1627);
}
.workspace-brand { display: flex; margin: 0 8px 30px; padding-bottom: 23px; align-items: center; gap: 11px; border-bottom: 1px solid rgba(255,255,255,.1); }
.workspace-brand > span { display: grid; width: 35px; height: 35px; place-items: center; border-radius: 10px; color: #102038; background: linear-gradient(145deg,#ead8ae,#bfa064); font-size: 10px; font-weight: 900; }
.workspace-brand > div { display: flex; flex-direction: column; }
.workspace-brand small { color: rgba(255,255,255,.38); font-size: 8px; font-weight: 750; letter-spacing: .16em; }
.workspace-brand strong { margin-top: 2px; font-size: 13px; }
.portal-page .tab { width: 100%; min-width: 0; min-height: 52px; padding: 0 15px; border-radius: 11px; color: rgba(255,255,255,.48); text-align: left; }
.portal-page .tab:hover { color: rgba(255,255,255,.78); background: rgba(255,255,255,.035); }
.portal-page .tab.active { color: #fff; background: rgba(255,255,255,.085); }
.portal-page .tab::after { top: 13px; right: auto; bottom: 13px; left: 0; width: 2px; height: auto; border-radius: 0 3px 3px 0; }
.portal-page .tab.active::after { background: #d6ba7f; }
.portal-page .tab > em { float: right; margin: 2px 0 0; color: #dfc78f; background: rgba(215,189,132,.12); }
.sidebar-note { display: flex; margin: auto 7px 0; padding: 15px 12px; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.08); border-radius: 11px; background: rgba(255,255,255,.035); }
.sidebar-note > span { width: 6px; height: 6px; flex: 0 0 6px; border-radius: 50%; background: #67c69f; box-shadow: 0 0 0 5px rgba(103,198,159,.09); }
.sidebar-note > div { display: flex; flex-direction: column; }
.sidebar-note strong { font-size: 9px; font-weight: 650; }
.sidebar-note small { margin-top: 2px; color: rgba(255,255,255,.38); font-size: 8px; }
.portal-page .tab-panel { padding: 48px 54px; grid-column: 2; grid-row: 1; }
.portal-page .section-heading { display: flex; margin-bottom: 30px; align-items: flex-start; justify-content: space-between; gap: 20px; }
.section-kicker { display: block; margin-bottom: 7px; color: #a18651; font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.portal-page .section-heading h2, .portal-page .report-toolbar h2 { font-size: 25px; font-weight: 700; letter-spacing: -.04em; }
.portal-page .section-heading p, .portal-page .report-toolbar p { margin-top: 7px; font-size: 12px; }
.model-ready { display: inline-flex; margin-top: 5px; padding: 8px 11px; align-items: center; gap: 7px; border: 1px solid #dbece5; border-radius: 99px; color: #397a64; background: #f1f8f5; font-size: 9px; font-weight: 750; white-space: nowrap; }
.model-ready i { width: 5px; height: 5px; border-radius: 50%; background: #38a178; box-shadow: 0 0 0 4px rgba(56,161,120,.1); }
.upload-label { display: flex; margin-bottom: 11px; align-items: center; justify-content: space-between; }
.upload-label h2 { font-size: 13px; }
.upload-label small { color: #9aa1ad; font-size: 10px; }
.portal-page .drop-zone { min-height: 242px; margin: 0; border-color: #b8c2db; border-radius: 16px; background: radial-gradient(circle at 50% 0, rgba(49,85,207,.055), transparent 55%), #f9faff; }
.portal-page .drop-zone:hover, .portal-page .drop-zone.dragging { border-color: #6d84d7; background: #f4f6fd; box-shadow: inset 0 0 0 1px rgba(49,85,207,.08); }
.portal-page .drop-zone.has-file { border-color: #6db99d; background: #f3faf7; }
.portal-page .upload-orb { width: 58px; height: 58px; margin-bottom: 16px; border: 1px solid #dfe4f3; border-radius: 18px; color: #2548bd; background: #fff; box-shadow: 0 10px 28px rgba(33,59,141,.1); }
.portal-page .drop-zone > strong { font-size: 15px; font-weight: 670; }
.portal-page .drop-zone > small { margin-top: 7px; color: #969eac; font-size: 11px; }
.portal-page .select-file { margin-top: 16px; padding: 8px 13px; border-color: #d9deeb; border-radius: 9px; color: #304dab; font-size: 10px; }
.portal-page .select-file i { margin-left: 5px; font-style: normal; }
.process-flow { display: grid; margin: 18px 0 0; padding: 16px 18px; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 12px; border: 1px solid #eceef2; border-radius: 13px; background: #fafaf9; }
.process-flow > div { display: flex; align-items: center; gap: 9px; }
.process-flow > div > span { display: grid; width: 30px; height: 30px; flex: 0 0 30px; place-items: center; border-radius: 9px; color: #8d7443; background: #f0eadc; font-size: 8px; font-weight: 850; }
.process-flow p { display: flex; margin: 0; flex-direction: column; }
.process-flow strong { font-size: 10px; }
.process-flow small { margin-top: 2px; color: #999fab; font-size: 8px; }
.process-flow > i { color: #c2c6ce; font-size: 10px; font-style: normal; }
.portal-page .submit-bar { margin-top: 22px; padding-top: 21px; }
.portal-page .mini-shield { border: 1px solid #dcebe5; background: #f0f7f4; }
.portal-page .btn-primary { border-radius: 10px; background: linear-gradient(135deg,#2849bd,#183791); box-shadow: 0 10px 24px rgba(33,65,170,.2); }
.portal-page .btn-primary:hover:not(:disabled) { box-shadow: 0 14px 30px rgba(33,65,170,.28); }
.portal-page .report-toolbar { align-items: flex-end; margin-bottom: 28px; }
.portal-page .search-box { border-radius: 10px; background: #f7f8fa; }
.portal-page .report-card { padding: 18px; border-radius: 14px; }
.portal-page .file-type { border-radius: 9px 13px 9px 9px; }
.portal-page .feature-row { gap: 12px; margin-top: 17px; padding: 0; }
.portal-page .feature-row > div { padding: 17px 20px; justify-content: flex-start; border: 1px solid #e3e6ec !important; border-radius: 13px; background: rgba(255,255,255,.75); box-shadow: 0 8px 24px rgba(20,32,53,.045); }
.portal-page .feature-row > div > span { color: #917744; background: #eee7d8; }
.portal-page .feature-row strong { color: #3b4452; }
.portal-page .site-footer { padding: 30px 24px 35px; color: #8a919d; }

@media (max-width: 980px) {
    .login-page .auth-shell { grid-template-columns: 1fr 1fr; }
    .login-page .auth-copy { padding: 46px 42px; }
    .login-page .auth-form-panel { padding: 46px 42px; }
    .portal-page .portal-hero { gap: 30px; }
    .portal-page .portal-card { grid-template-columns: 190px minmax(0,1fr); }
    .portal-page .tab-panel { padding: 42px 38px; }
    .process-flow { gap: 7px; padding: 14px 12px; }
}

@media (max-width: 780px) {
    .login-page .auth-shell { width: min(100% - 24px, 620px); margin: 12px auto; grid-template-columns: 1fr; }
    .login-page .auth-copy { min-height: 430px; padding: 38px 32px; }
    .login-page .auth-intro { margin: 62px 0 54px; }
    .login-page .auth-intro h1 { font-size: 37px; }
    .login-page .auth-form-panel { padding: 42px 32px; }
    .portal-page { background: linear-gradient(180deg, #08111f 0, #101d31 720px, #eef1f5 720px); }
    .portal-page .site-header { height: auto; }
    .portal-page .portal-shell { width: min(100% - 24px, 680px); padding-top: 44px; }
    .portal-page .portal-hero { grid-template-columns: 1fr; align-items: stretch; gap: 28px; }
    .portal-page .portal-proof { grid-template-columns: 1fr 1fr; }
    .portal-page .portal-proof > .ai-brain-visual { display: none; }
    .portal-page .portal-card { display: block; min-height: 0; }
    .portal-page .tabs { height: 64px; min-height: 0; padding: 0 8px; flex-direction: row; border-radius: 20px 20px 0 0; }
    .workspace-brand, .sidebar-note { display: none; }
    .portal-page .tab { min-height: 64px; text-align: center; }
    .portal-page .tab::after { top: auto; right: 18px; bottom: 0; left: 18px; width: auto; height: 2px; }
    .portal-page .tab > em { float: none; margin-left: 6px; }
    .portal-page .tab-panel { padding: 34px 26px; }
    .portal-page .section-heading { margin-bottom: 25px; }
    .process-flow { grid-template-columns: 1fr 1fr 1fr; }
    .process-flow > i { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .ai-brain-visual * { animation-play-state: paused !important; }
}

@media (max-width: 520px) {
    .login-page .auth-shell { border-radius: 21px; }
    .login-page .auth-copy { min-height: 410px; padding: 30px 24px; }
    .login-page .auth-intro { margin: 55px 0 45px; }
    .login-page .auth-intro h1 { font-size: 32px; }
    .login-page .trust-row > div { padding-left: 10px; }
    .login-page .trust-row strong { font-size: 20px; }
    .login-page .trust-row span { font-size: 8px; }
    .login-page .auth-form-panel { padding: 36px 22px; }
    .login-page .auth-form-panel h2 { font-size: 27px; }
    .login-page .benchmark-row { grid-template-columns: 54px 13px minmax(78px,1fr) auto; gap: 4px; }
    .login-page .benchmark-row em { padding: 4px 5px; font-size: 7px; }
    .portal-page .portal-hero h1 { font-size: 34px; }
    .portal-page .portal-proof { grid-template-columns: 1fr; }
    .portal-page .portal-proof > div { min-height: 140px; }
    .portal-page .tab-panel { padding: 28px 18px; }
    .portal-page .section-heading { flex-direction: column; gap: 8px; }
    .portal-page .drop-zone { min-height: 218px; padding: 20px; text-align: center; }
    .process-flow { padding: 12px 8px; gap: 4px; }
    .process-flow > div { flex-direction: column; text-align: center; }
    .process-flow small { display: none; }
    .portal-page .feature-row { grid-template-columns: 1fr; }
    .portal-page .feature-row > div { flex-direction: row; text-align: left; }
    .portal-page .feature-row p small { display: block; }
}

/* 统一入口、上传组件与报告列表精修 */
.header-activation-wrap { position: relative; }
.header-activation-form {
    display: flex;
    height: 48px;
    align-items: stretch;
    gap: 8px;
}
.header-activation-form label {
    display: flex;
    width: 238px;
    padding: 0 14px;
    align-items: center;
    gap: 11px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 11px;
    background: rgba(255,255,255,.055);
    transition: border-color .2s, background .2s, box-shadow .2s;
}
.header-activation-form label:focus-within {
    border-color: rgba(220,194,138,.55);
    background: rgba(255,255,255,.08);
    box-shadow: 0 0 0 4px rgba(204,179,123,.08);
}
.header-activation-form label > span {
    color: #d7bd84;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}
.header-activation-form input {
    width: 100%;
    min-width: 0;
    padding: 0;
    outline: 0;
    border: 0;
    color: #fff;
    background: transparent;
    font-size: 14px;
    font-weight: 650;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.header-activation-form input::placeholder { color: rgba(255,255,255,.38); font-weight: 500; letter-spacing: 0; }
.header-activation-form button {
    display: inline-flex;
    min-width: 86px;
    padding: 0 15px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid #d8c18d;
    border-radius: 11px;
    color: #101a29;
    background: linear-gradient(145deg,#ead8ae,#c1a267);
    box-shadow: 0 10px 22px rgba(0,0,0,.16);
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: transform .18s, box-shadow .18s;
}
.header-activation-form button:hover { transform: translateY(-1px); box-shadow: 0 13px 27px rgba(0,0,0,.23); }
.header-activation-form button span { font-size: 15px; }
.header-code-error {
    position: absolute;
    top: calc(100% + 9px);
    right: 0;
    z-index: 10;
    width: max-content;
    max-width: 340px;
    padding: 9px 12px;
    border: 1px solid rgba(238,143,151,.24);
    border-radius: 9px;
    color: #ffd7da;
    background: rgba(91,27,37,.94);
    box-shadow: 0 12px 30px rgba(0,0,0,.2);
    font-size: 12px;
}

/* 更清晰、更有层次的文件上传框 */
.portal-page .upload-label { margin-bottom: 13px; }
.portal-page .upload-label h2 { font-size: 15px; }
.portal-page .upload-label small { font-size: 12px; }
.portal-page .drop-zone {
    isolation: isolate;
    display: grid;
    min-height: 188px;
    padding: 30px 32px 20px;
    grid-template-columns: 72px minmax(0,1fr) auto;
    grid-template-rows: 1fr auto;
    align-items: center;
    gap: 20px;
    overflow: hidden;
    border-style: solid;
    border-color: #d9deea;
    background:
        radial-gradient(circle at 12% 20%, rgba(49,85,207,.08), transparent 25%),
        linear-gradient(135deg,#fafbff,#f6f8fc);
    text-align: left;
}
.portal-page .drop-zone::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: .45;
    background-image: radial-gradient(#cbd2e4 .7px, transparent .7px);
    background-size: 15px 15px;
    mask-image: linear-gradient(90deg,#000,transparent 70%);
    content: "";
}
.portal-page .drop-zone::after {
    position: absolute;
    top: 0;
    right: 32px;
    left: 32px;
    height: 2px;
    background: linear-gradient(90deg,transparent,#bda066,transparent);
    content: "";
}
.portal-page .upload-orb {
    width: 64px;
    height: 64px;
    margin: 0;
    grid-column: 1;
    grid-row: 1;
    border-color: #d6dbea;
    border-radius: 19px;
    color: #2447b7;
    font-size: 26px;
    box-shadow: 0 13px 30px rgba(28,54,132,.11);
}
.upload-copy { display: flex; min-width: 0; grid-column: 2; grid-row: 1; flex-direction: column; }
.portal-page .upload-copy strong { color: #222c3d; font-size: 18px; font-weight: 720; letter-spacing: -.025em; }
.portal-page .upload-copy small { margin-top: 8px; color: #7f8999; font-size: 13px; }
.portal-page .select-file {
    display: inline-flex;
    min-width: 112px;
    min-height: 44px;
    margin: 0;
    padding: 0 16px;
    grid-column: 3;
    grid-row: 1;
    align-items: center;
    justify-content: center;
    border-color: #ccd4e7;
    color: #233f9c;
    background: #fff;
    box-shadow: 0 8px 20px rgba(28,46,94,.07);
    font-size: 13px;
}
.upload-spec {
    display: flex;
    padding-top: 16px;
    grid-column: 1 / -1;
    grid-row: 2;
    align-items: center;
    justify-content: flex-end;
    gap: 9px;
    border-top: 1px solid rgba(211,216,228,.7);
    color: #8992a1;
    font-size: 11px;
    font-weight: 650;
    letter-spacing: .07em;
}
.upload-spec i { width: 3px; height: 3px; border-radius: 50%; background: #b9a16f; }
.upload-spec b { color: #8b7345; font-size: inherit; font-weight: 800; }
.portal-page .drop-zone.has-file .upload-orb { color: #23775d; border-color: #cfe5dc; }
.portal-page .drop-zone.is-locked {
    border-color: #e0e2e7;
    background: linear-gradient(135deg,#f8f8f7,#f3f3f1);
    cursor: default;
}
.portal-page .drop-zone.is-locked::before { opacity: .22; }
.portal-page .drop-zone.is-locked .upload-orb { color: #937b4d; border-color: #e2dccf; background: #faf8f2; box-shadow: none; }
.portal-page .drop-zone.is-locked .select-file { color: #92866d; border-color: #ded9cf; background: #f7f5ef; box-shadow: none; }
.needs-activation .model-ready { color: #8b7447; border-color: #e7dfcf; background: #faf7f0; }
.needs-activation .model-ready i { background: #c0a464; box-shadow: 0 0 0 4px rgba(192,164,100,.1); }
.activation-jump { cursor: pointer; }
.activation-jump:hover { border-color: #c8ad73 !important; color: #725a2d !important; background: #fffaf0 !important; }
.activation-jump:focus-visible { outline: 2px solid #c8ad73; outline-offset: 3px; }

/* 报告记录改为更精致的文件列表卡片 */
.portal-page .reports-list { gap: 14px; }
.portal-page .report-card {
    position: relative;
    grid-template-columns: 56px minmax(0,1fr) minmax(160px,auto);
    gap: 18px;
    min-height: 96px;
    padding: 20px 22px;
    overflow: hidden;
    border-color: #e1e5ec;
    border-radius: 16px;
    background: linear-gradient(135deg,#fff,#fafbfc);
    box-shadow: 0 7px 22px rgba(24,37,62,.035);
}
.portal-page .report-card::before {
    position: absolute;
    top: 17px;
    bottom: 17px;
    left: 0;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: #bda269;
    content: "";
}
.portal-page .report-card:hover { border-color: #cbd3e2; box-shadow: 0 14px 34px rgba(24,37,62,.085); transform: translateY(-1px); }
.portal-page .file-type {
    width: 54px;
    height: 58px;
    border: 1px solid #dce2f0;
    border-radius: 12px 17px 12px 12px;
    color: #2949ad;
    background: linear-gradient(145deg,#f1f4ff,#e9edfa);
    font-size: 12px;
    letter-spacing: .04em;
}
.portal-page .report-title-row { gap: 12px; flex-wrap: wrap; }
.portal-page .report-title-row h3 { max-width: 470px; color: #222b39; font-size: 17px; font-weight: 700; }
.portal-page .status { padding: 6px 10px; font-size: 12px; }
.portal-page .status i { width: 6px; height: 6px; }
.portal-page .report-meta { gap: 7px 17px; margin-top: 10px; color: #7f8897; font-size: 13px; }
.portal-page .report-meta span:not(:last-child)::after { margin-left: 17px; }
.portal-page .report-meta .model-chip {
    display: inline-flex;
    min-height: 24px;
    margin: -3px 0;
    padding: 0 9px 0 6px;
    align-items: center;
    gap: 6px;
    border: 1px solid #d9c28f;
    border-radius: 999px;
    color: #755727;
    background: linear-gradient(145deg,#fffaf0,#f4ead3);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .02em;
}
.portal-page .report-meta .model-chip i {
    display: grid;
    width: 16px;
    height: 16px;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: #173252;
    font-size: 7px;
    font-style: normal;
    letter-spacing: 0;
}
.portal-page .report-meta .model-chip b { color: #173252; font-size: 12px; font-weight: 900; }
.portal-page .report-meta .model-chip::after { display: none !important; content: none !important; }
.portal-page .report-action { min-width: 160px; }
.portal-page .report-downloads { gap: 8px; }
.portal-page .btn-small, .portal-page .no-report-badge, .portal-page .hide-record-btn { min-height: 41px; padding: 0 14px; border-radius: 9px; font-size: 13px; }
.portal-page .report-downloads .btn-primary {
    color: #fff;
    border: 1px solid #223d70;
    background: linear-gradient(135deg,#182d4d,#294875);
    box-shadow: 0 9px 20px rgba(19,42,76,.16);
}
.portal-page .report-downloads .btn-primary:hover {
    border-color: #315784;
    background: linear-gradient(135deg,#20395f,#315784);
    box-shadow: 0 12px 25px rgba(19,42,76,.22);
}
.portal-page .report-downloads .btn-ai {
    color: #162033;
    border: 1px solid #ccb176;
    background: linear-gradient(145deg,#ead9b0,#c8aa6d);
    box-shadow: 0 9px 20px rgba(174,143,81,.16);
}
.portal-page .report-downloads .btn-ai:hover {
    border-color: #d3b978;
    background: linear-gradient(145deg,#f0dfb8,#d0b271);
    box-shadow: 0 12px 25px rgba(174,143,81,.23);
}
.portal-page .hide-record-btn {
    color: #875765;
    border-color: #e5d7dc;
    background: #faf6f7;
}
.portal-page .hide-record-btn:hover:not(:disabled) {
    color: #6f3f4e;
    border-color: #d9c3ca;
    background: #f5ecef;
}
.portal-page .failure-note { margin-top: 9px; font-size: 13px; }
.portal-page .muted-text { font-size: 13px; }
.portal-page .empty-state {
    min-height: 360px;
    padding: 82px 24px;
    border: 1px dashed #d6dce7;
    border-radius: 17px;
    background: linear-gradient(145deg,#fafbfc,#f6f8fb);
}
.portal-page .empty-state > span { width: 66px; height: 66px; border: 1px solid #dde2ef; border-radius: 20px; background: #fff; box-shadow: 0 10px 24px rgba(32,52,104,.07); }
.portal-page .empty-state h3 { font-size: 18px; }
.portal-page .empty-state p { margin-top: 8px; font-size: 14px; }
.portal-page .activation-empty > span { color: #9a804c; border-color: #e4dece; background: #faf7f0; }
.portal-page .search-box.is-disabled { opacity: .55; cursor: not-allowed; }

/* 统一提升页面中偏小的说明文字 */
.portal-page .portal-hero .eyebrow { font-size: 11px; }
.portal-page .portal-hero-copy > p { font-size: 16px; }
.hero-chips span { padding: 8px 12px; font-size: 12px; }
.portal-page .portal-proof > div > span { font-size: 11px; }
.portal-page .portal-proof p { font-size: 12px; }
.workspace-brand small { font-size: 9px; }
.workspace-brand strong { font-size: 15px; }
.sidebar-note strong { font-size: 11px; }
.sidebar-note small { font-size: 10px; }
.section-kicker { font-size: 10px; }
.portal-page .section-heading p, .portal-page .report-toolbar p { font-size: 14px; }
.model-ready { font-size: 11px; }
.process-flow > div > span { font-size: 10px; }
.process-flow strong { font-size: 13px; }
.process-flow small { font-size: 11px; }
.process-flow > i { font-size: 12px; }
.portal-page .submit-bar p strong { font-size: 15px; }
.portal-page .submit-bar p small { font-size: 13px; }
.portal-page .feature-row small { font-size: 12px; }
.portal-page .site-footer { font-size: 13px; line-height: 1.75; }
.portal-page .site-footer p { margin: 0; }
.beian-link { display: inline-flex; margin-top: 8px; align-items: center; gap: 6px; color: #9b7b40; font-weight: 650; transition: color .2s; }
.beian-link::before { width: 4px; height: 4px; border-radius: 50%; background: #b99c62; content: ""; }
.beian-link:hover { color: #715626; }

@media (max-width: 780px) {
    .portal-page .site-header-inner { padding: 12px; }
    .portal-page .site-header .brand { gap: 9px; }
    .portal-page .site-header .brand-mark { width: 38px; height: 38px; }
    .portal-page .site-header .brand strong { font-size: 16px; }
    .header-activation-form { height: 42px; gap: 6px; }
    .header-activation-form label { width: 154px; padding: 0 10px; }
    .header-activation-form label > span { display: none; }
    .header-activation-form input { font-size: 13px; }
    .header-activation-form button { min-width: 68px; padding: 0 10px; font-size: 12px; }
    .header-code-error { right: 0; max-width: min(320px, calc(100vw - 24px)); }
    .portal-page .drop-zone { min-height: 206px; padding: 26px 24px 18px; grid-template-columns: 62px minmax(0,1fr); gap: 16px; }
    .portal-page .upload-orb { width: 56px; height: 56px; }
    .portal-page .upload-copy strong { font-size: 16px; }
    .portal-page .select-file { min-width: 0; grid-column: 1 / -1; grid-row: 2; justify-self: stretch; }
    .upload-spec { padding-top: 13px; grid-row: 3; }
    .portal-page .report-card { grid-template-columns: 52px minmax(0,1fr); padding: 18px; }
    .portal-page .report-action { min-width: 0; grid-column: 1 / -1; grid-row: auto; text-align: left; }
    .portal-page .report-downloads { justify-content: flex-start; }
}

@media (max-width: 470px) {
    .portal-page .site-header .brand strong { font-size: 14px; }
    .header-activation-form label { width: 112px; }
    .header-activation-form button { min-width: 58px; padding: 0 8px; }
    .header-activation-form button span { display: none; }
    .portal-page .drop-zone { display: flex; min-height: 268px; padding: 26px 20px 18px; flex-direction: column; gap: 0; text-align: center; }
    .portal-page .upload-orb { margin-bottom: 16px; }
    .portal-page .upload-copy small { margin-top: 6px; }
    .portal-page .select-file { width: 100%; margin-top: 18px; }
    .upload-spec { width: 100%; margin-top: 16px; padding-top: 13px; justify-content: center; }
    .portal-page .report-title-row h3 { font-size: 16px; }
    .portal-page .report-meta { font-size: 12px; }
}

/* 模型训练与准确性内容区 */
.model-training-section { margin: 78px 0 24px; }
.training-heading { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.training-kicker { display: inline-flex; align-items: center; gap: 9px; color: #9a7d46; font-size: 11px; font-weight: 850; letter-spacing: .18em; }
.training-kicker i { width: 6px; height: 6px; border-radius: 50%; background: #b99c62; box-shadow: 0 0 0 5px rgba(185,156,98,.1); }
.training-heading h2 { margin: 13px 0 12px; color: #152033; font-size: clamp(30px,3.4vw,42px); line-height: 1.22; letter-spacing: -.05em; }
.training-heading h2 span { color: #9b7b40; }
.training-heading > p { margin: 0; color: #6f7888; font-size: 16px; line-height: 1.85; }
.training-showcase { display: grid; grid-template-columns: 1.03fr .97fr; gap: 16px; }
.training-overview { position: relative; min-height: 480px; padding: 42px; overflow: hidden; border: 1px solid rgba(255,255,255,.08); border-radius: 22px; color: #fff; background: linear-gradient(150deg,#111f35,#091423); box-shadow: 0 24px 60px rgba(16,29,49,.16); }
.training-overview::before { position: absolute; width: 380px; height: 380px; right: -180px; bottom: -200px; border: 1px solid rgba(216,192,141,.15); border-radius: 50%; box-shadow: 0 0 0 55px rgba(216,192,141,.035),0 0 0 115px rgba(216,192,141,.02); content: ""; }
.overview-label { color: #d5bb82; font-size: 11px; font-weight: 850; letter-spacing: .19em; }
.training-overview h3 { max-width: 470px; margin: 17px 0 17px; font-size: clamp(28px,3vw,36px); line-height: 1.28; letter-spacing: -.045em; }
.training-overview > p { max-width: 480px; margin: 0; color: rgba(255,255,255,.59); font-size: 15px; line-height: 1.9; }
.training-metrics { position: absolute; right: 42px; bottom: 38px; left: 42px; display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid rgba(255,255,255,.11); border-left: 1px solid rgba(255,255,255,.11); }
.training-metrics > div { display: flex; min-height: 82px; padding: 15px 17px; flex-direction: column; justify-content: center; border-right: 1px solid rgba(255,255,255,.11); border-bottom: 1px solid rgba(255,255,255,.11); }
.training-metrics strong { font-size: 22px; font-weight: 680; letter-spacing: -.04em; }
.training-metrics strong sup { color: #d3b777; font-size: 11px; }
.training-metrics span { margin-top: 4px; color: rgba(255,255,255,.45); font-size: 12px; }
.training-pipeline { padding: 36px 38px; border: 1px solid #e0e4eb; border-radius: 22px; background: rgba(255,255,255,.92); box-shadow: 0 18px 48px rgba(25,39,62,.07); }
.pipeline-head { display: flex; padding-bottom: 24px; align-items: flex-start; justify-content: space-between; border-bottom: 1px solid #e6e9ef; }
.pipeline-head > div { display: flex; flex-direction: column; }
.pipeline-head > div > span { color: #9a7d46; font-size: 10px; font-weight: 850; letter-spacing: .17em; }
.pipeline-head h3 { margin: 7px 0 0; font-size: 23px; letter-spacing: -.035em; }
.pipeline-head em { padding: 7px 10px; border: 1px solid #dae9e3; border-radius: 99px; color: #397a64; background: #f1f8f5; font-size: 11px; font-style: normal; font-weight: 750; }
.pipeline-track { position: relative; display: grid; margin-top: 17px; gap: 2px; }
.pipeline-track::before { position: absolute; top: 33px; bottom: 33px; left: 22px; width: 1px; background: linear-gradient(#c9ae73,#ced6e4); content: ""; }
.pipeline-step { position: relative; display: grid; min-height: 83px; padding: 13px 10px; grid-template-columns: 45px 1fr; align-items: center; gap: 15px; border-radius: 13px; transition: background .2s,transform .2s; }
.pipeline-step:hover { background: #f7f8fa; transform: translateX(3px); }
.pipeline-step > span { z-index: 1; display: grid; width: 45px; height: 45px; place-items: center; border: 1px solid #dfd7c5; border-radius: 13px; color: #8d713b; background: #faf7f0; font-size: 11px; font-weight: 850; }
.pipeline-step p { display: flex; margin: 0; flex-direction: column; }
.pipeline-step strong { color: #283242; font-size: 15px; }
.pipeline-step small { margin-top: 5px; color: #7e8796; font-size: 13px; }
.accuracy-evidence { display: grid; margin-top: 16px; padding: 28px; grid-template-columns: .85fr 1fr 1fr; align-items: stretch; gap: 14px; border: 1px solid #e1e5ec; border-radius: 20px; background: rgba(255,255,255,.8); box-shadow: 0 14px 38px rgba(25,39,62,.055); }
.evidence-intro { padding: 8px 16px 8px 4px; }
.evidence-intro > span { color: #9a7d46; font-size: 10px; font-weight: 850; letter-spacing: .15em; }
.evidence-intro h3 { margin: 9px 0 8px; font-size: 22px; letter-spacing: -.035em; }
.evidence-intro p { margin: 0; color: #747d8c; font-size: 13px; line-height: 1.75; }
.evidence-card { display: flex; min-height: 145px; padding: 21px; flex-direction: column; justify-content: space-between; border: 1px solid #dce2ef; border-radius: 15px; background: linear-gradient(145deg,#f8faff,#f1f4fb); }
.evidence-card > small { color: #74809a; font-size: 12px; font-weight: 700; }
.evidence-card p { display: flex; margin: 13px 0; align-items: center; gap: 9px; }
.evidence-card p strong { color: #263650; font-size: 14px; }
.evidence-card p i { color: #aa8e55; font-style: normal; }
.evidence-card > span { align-self: flex-start; padding: 6px 9px; border-radius: 99px; color: #2948a6; background: #e7ecfc; font-size: 11px; font-weight: 800; }
.evidence-card-zero { border-color: #d8e9e3; background: linear-gradient(145deg,#f6fbf9,#eff7f4); }
.evidence-card-zero > span { color: #28765e; background: #dff1ea; }
.training-disclaimer { display: flex; margin: 16px 0 0; padding: 0 5px; align-items: flex-start; justify-content: center; gap: 9px; color: #7d8695; font-size: 12px; line-height: 1.7; text-align: center; }
.training-disclaimer span { display: grid; width: 18px; height: 18px; flex: 0 0 18px; place-items: center; border: 1px solid #d3d8e1; border-radius: 50%; color: #977b46; font-family: Georgia,serif; font-size: 11px; font-weight: 700; }

@media (max-width: 900px) {
    .model-training-section { margin-top: 60px; }
    .training-showcase { grid-template-columns: 1fr; }
    .training-overview { min-height: 470px; }
    .accuracy-evidence { grid-template-columns: 1fr 1fr; }
    .evidence-intro { grid-column: 1 / -1; padding: 5px 4px 12px; }
}

@media (max-width: 600px) {
    .model-training-section { margin-top: 48px; }
    .training-heading { margin-bottom: 25px; text-align: left; }
    .training-heading h2 { font-size: 29px; }
    .training-heading > p { font-size: 14px; }
    .training-overview { min-height: 590px; padding: 30px 24px; }
    .training-overview h3 { font-size: 28px; }
    .training-overview > p { font-size: 14px; }
    .training-metrics { right: 24px; bottom: 26px; left: 24px; grid-template-columns: 1fr; }
    .training-metrics > div { min-height: 62px; padding: 10px 13px; }
    .training-metrics strong { font-size: 19px; }
    .training-pipeline { padding: 28px 20px; }
    .pipeline-head h3 { font-size: 21px; }
    .pipeline-step { padding-right: 0; padding-left: 4px; }
    .pipeline-step small { font-size: 12px; }
    .accuracy-evidence { padding: 18px; grid-template-columns: 1fr; }
    .evidence-intro { grid-column: auto; }
    .training-disclaimer { text-align: left; }
}

/* 匿名用户评价 */
.user-review-section { margin: 84px 0 34px; }
.review-heading { display: flex; margin-bottom: 28px; align-items: flex-end; justify-content: space-between; gap: 30px; }
.review-kicker { display: inline-flex; align-items: center; gap: 9px; color: #9a7d46; font-size: 11px; font-weight: 850; letter-spacing: .18em; }
.review-kicker i { width: 6px; height: 6px; border-radius: 50%; background: #b99c62; box-shadow: 0 0 0 5px rgba(185,156,98,.1); }
.review-heading h2 { margin: 12px 0 10px; color: #152033; font-size: clamp(30px,3.2vw,40px); line-height: 1.2; letter-spacing: -.05em; }
.review-heading h2 span { margin-left: 8px; color: #9b7b40; }
.review-heading p { margin: 0; color: #737c8b; font-size: 15px; }
.review-tags { display: flex; padding-bottom: 4px; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.review-tags span { padding: 8px 12px; border: 1px solid #e0e3e9; border-radius: 99px; color: #687181; background: rgba(255,255,255,.72); font-size: 12px; font-weight: 650; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.review-card { position: relative; display: flex; min-height: 292px; padding: 27px 27px 23px; flex-direction: column; overflow: hidden; border: 1px solid #e0e4eb; border-radius: 19px; background: linear-gradient(145deg,#fff,#f8f9fb); box-shadow: 0 14px 38px rgba(25,39,62,.055); transition: transform .22s,border-color .22s,box-shadow .22s; }
.review-card::before { position: absolute; top: 0; right: 27px; left: 27px; height: 2px; background: linear-gradient(90deg,transparent,#c2a467,transparent); content: ""; }
.review-card:hover { border-color: #ccd3df; box-shadow: 0 20px 48px rgba(25,39,62,.1); transform: translateY(-3px); }
.review-card-head { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 13px; }
.review-avatar { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid #ded7c8; border-radius: 14px; color: #826a3b; background: linear-gradient(145deg,#faf6ed,#eee6d6); font-size: 12px; font-weight: 850; letter-spacing: .04em; }
.review-card-head > div { display: flex; flex-direction: column; }
.review-card-head strong { color: #273141; font-size: 15px; }
.review-card-head small { margin-top: 4px; color: #8a92a0; font-size: 12px; }
.review-card-head > i { align-self: start; color: #d2b87f; font-family: Georgia,serif; font-size: 38px; font-style: normal; line-height: 1; }
.review-card blockquote { margin: 25px 0 27px; color: #4d5767; font-size: 15px; line-height: 1.9; }
.review-card footer { display: flex; margin-top: auto; gap: 7px; }
.review-card footer span { padding: 6px 9px; border-radius: 99px; color: #727c8e; background: #eef1f5; font-size: 11px; font-weight: 650; }
.review-card-featured { border-color: rgba(214,188,132,.2); color: #fff; background: linear-gradient(150deg,#122138,#091525); box-shadow: 0 20px 50px rgba(13,27,48,.16); }
.review-card-featured::before { background: linear-gradient(90deg,transparent,#dbc58f,transparent); }
.review-card-featured .review-avatar { color: #101c2f; border-color: rgba(255,255,255,.16); background: linear-gradient(145deg,#ead8ae,#c1a267); }
.review-card-featured .review-card-head strong { color: #fff; }
.review-card-featured .review-card-head small { color: rgba(255,255,255,.46); }
.review-card-featured blockquote { color: rgba(255,255,255,.72); }
.review-card-featured footer span { color: #dcc58e; background: rgba(216,192,141,.1); }

@media (max-width: 900px) {
    .user-review-section { margin-top: 66px; }
    .review-heading { align-items: flex-start; flex-direction: column; gap: 18px; }
    .review-tags { justify-content: flex-start; }
    .review-grid { grid-template-columns: 1fr; }
    .review-card { min-height: 245px; }
}

@media (max-width: 520px) {
    .user-review-section { margin-top: 52px; }
    .review-heading h2 { font-size: 29px; }
    .review-heading h2 span { margin-left: 0; }
    .review-heading p { font-size: 14px; line-height: 1.7; }
    .review-card { min-height: 270px; padding: 24px 21px 21px; }
    .review-card blockquote { font-size: 14px; }
}