/* Fuzicha user-facing surface: a reading desk, ink brush and a vermilion seal. */
:root {
    --ink: #101b2b;
    --ink-soft: #21334b;
    --ink-faint: #5d6974;
    --paper: #f3eee3;
    --paper-raised: #fcf8ee;
    --paper-deep: #e7dece;
    --paper-warm: #eee5d5;
    --line: #d4c8b5;
    --line-strong: #b6a68e;
    --text: #1c2833;
    --muted: #6d6a62;
    --muted-light: #9c9486;
    --seal: #b3402e;
    --seal-dark: #8b2f22;
    --seal-wash: #f2ddd5;
    --gold: #a47b42;
    --gold-light: #d8bc8d;
    --human: #34705b;
    --uncertain: #9a6b22;
    --likely: #a9552e;
    --high: #963e36;
    --shadow: 0 22px 60px rgba(35, 27, 18, .12);
    --radius: 3px;
    --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
    --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    --latin: "Source Serif 4", Georgia, serif;
    --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--text);
    font: 15px/1.75 var(--sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .24;
    background-image:
        radial-gradient(rgba(79, 61, 41, .12) .6px, transparent .6px),
        radial-gradient(rgba(255, 255, 255, .7) .6px, transparent .6px);
    background-position: 0 0, 7px 9px;
    background-size: 13px 13px, 17px 17px;
}
h1, h2, h3, h4 { letter-spacing: 0; }
h1, h2, .serif { font-family: var(--serif); font-weight: 600; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--seal); outline-offset: 3px; }
[hidden] { display: none !important; }
::selection { background: #dfc7a4; color: var(--ink); }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.serif { font-family: var(--serif); }
.meta { color: var(--muted); font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.spacer { flex: 1; }
.mt { margin-top: 14px; }

/* Controls */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 17px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: transparent;
    color: var(--ink);
    text-decoration: none;
    white-space: nowrap;
    transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { color: var(--seal); border-color: var(--seal); background: rgba(163, 61, 47, .04); }
.btn.primary {
    color: #fffaf1;
    background: var(--seal);
    border-color: var(--seal);
    font-weight: 600;
}
.btn.primary:hover { background: var(--seal-dark); border-color: var(--seal-dark); color: #fff; }
.btn.ink { color: #fffaf1; background: var(--ink); border-color: var(--ink); }
.btn.ink:hover { background: var(--ink-soft); border-color: var(--ink-soft); color: #fff; }
.btn.ghost-dark { color: var(--ink); border-color: rgba(23, 38, 58, .32); background: transparent; }
.btn.ghost-dark:hover { color: var(--seal); border-color: var(--seal); background: transparent; }
.btn.small { min-height: 32px; padding: 5px 11px; font-size: 12.5px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .48; cursor: default; }
.btn svg { width: 16px; height: 16px; stroke-width: 1.7; }

/* Landing navigation */
header.nav {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(243, 238, 227, .94);
    border-bottom: 1px solid rgba(185, 173, 156, .65);
    backdrop-filter: blur(14px);
}
.nav-inner { display: flex; align-items: center; gap: 38px; height: 76px; }
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    text-decoration: none;
    font-family: var(--serif);
    font-weight: 600;
    font-size: 17px;
    line-height: 1;
}
.brand .brand-mark {
    width: 38px;
    height: 38px;
    flex: none;
    object-fit: contain;
    border-radius: 50%;
    background: #fbf6eb;
}
.brand small { color: var(--muted); font-family: var(--sans); font-size: 11px; font-weight: 400; }
nav.links { display: flex; align-items: center; gap: 30px; }
nav.links a {
    position: relative;
    color: var(--ink-faint);
    text-decoration: none;
    font-size: 13px;
}
nav.links a::after {
    content: "";
    position: absolute;
    left: 0; right: 100%; bottom: -9px;
    height: 1px;
    background: var(--seal);
    transition: right .2s ease;
}
nav.links a:hover { color: var(--ink); }
nav.links a:hover::after { right: 0; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-member { color: var(--muted); font-size: 12.5px; }
.nav-member b { color: var(--seal); font-family: var(--latin); font-size: 15px; font-weight: 600; }

/* Hero: the master, a marked manuscript and a desk lamp */
.hero {
    position: relative;
    overflow: hidden;
    padding: 66px 0 0;
    border-bottom: 0;
    color: #f7f0e3;
    background:
        radial-gradient(ellipse 52% 70% at 88% 4%, rgba(180, 140, 82, .25), transparent 68%),
        linear-gradient(112deg, #0d1726 0%, #132238 58%, #1b2c3e 100%);
}
.hero::after { display: none; }
.hero::before {
    content: "阅";
    position: absolute;
    top: -80px;
    left: max(18px, calc((100vw - var(--max)) / 2 - 120px));
    color: rgba(247, 240, 227, .032);
    font: 580px/1 var(--serif);
    pointer-events: none;
}
.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(340px, .72fr) minmax(0, 1.28fr);
    gap: clamp(40px, 6vw, 92px);
    align-items: center;
    min-height: 650px;
    padding-top: 0;
    padding-bottom: 76px;
}
.hero-copy { align-self: center; }
.hero-brand { display: none; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--seal);
    font-size: 12px;
    letter-spacing: .15em;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--seal); }
.eyebrow svg { display: none; }
.hero h1 {
    margin: 0;
    color: #f8f1e4;
    font-size: clamp(42px, 4.35vw, 62px);
    font-weight: 500;
    line-height: 1.3;
}
.hero h1 em {
    position: relative;
    color: #f0d5aa;
    font-style: normal;
}
.hero h1 em::after {
    content: "";
    position: absolute;
    left: -3%;
    right: -3%;
    bottom: 2px;
    height: 1px;
    background: rgba(240, 213, 170, .62);
    transform: none;
}
.hero p.lead {
    max-width: 22em;
    margin: 24px 0 0;
    color: #b9c0c3;
    font-family: var(--serif);
    font-size: 16px;
    line-height: 1.85;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero .btn.primary { background: #d6b376; border-color: #d6b376; color: #172333; }
.hero .btn.primary:hover { background: #e4c58f; border-color: #e4c58f; color: #101b2b; }
.hero .btn.ghost-dark { color: #e8e2d8; border-color: rgba(232, 226, 216, .36); }
.hero .btn.ghost-dark:hover { color: #fff; border-color: #d6b376; background: transparent; }
.hero-note {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 26px;
    padding-top: 17px;
    border-top: 1px solid rgba(232, 226, 216, .14);
    color: #8996a0;
    font-size: 12px;
}
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { width: 14px; height: 14px; color: #d6b376; stroke-width: 1.6; }
.consent-notice {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    max-width: 36em;
    margin-top: 20px;
    padding: 11px 14px;
    border: 1px solid #d9b7aa;
    border-left: 3px solid var(--seal);
    background: var(--seal-wash);
    color: #78352c;
    font-size: 13px;
}
.consent-notice svg { width: 16px; height: 16px; flex: none; margin-top: 2px; }

/* Manuscript inspection scene */
.reading-desk { position: relative; min-width: 0; padding: 64px 0 18px 36px; }
.reading-desk::before {
    content: "";
    position: absolute;
    left: 9px; right: 18px; top: 94px; bottom: 2px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .38);
    filter: blur(24px);
    transform: rotate(-1deg);
}
.master-portrait {
    position: absolute;
    z-index: 3;
    left: -12px;
    bottom: -3px;
    width: 176px;
    pointer-events: none;
    filter: drop-shadow(0 16px 22px rgba(0, 0, 0, .28));
}
.master-portrait img { display: block; width: 100%; height: auto; }
.master-portrait span {
    position: absolute;
    right: 15px;
    bottom: 23px;
    padding: 2px 7px;
    border: 1px solid rgba(179, 64, 46, .5);
    color: var(--seal);
    background: rgba(252, 248, 238, .9);
    font-family: var(--serif);
    font-size: 10px;
    writing-mode: vertical-rl;
}
.scene {
    position: relative;
    z-index: 2;
    min-width: 0;
    margin-left: 58px;
    padding: 25px 30px 27px 26px;
    background:
        repeating-linear-gradient(0deg, transparent 0, transparent 34px, rgba(109, 91, 64, .05) 35px),
        var(--paper-raised);
    border: 1px solid var(--line);
    box-shadow: 15px 18px 0 rgba(198, 164, 109, .18), var(--shadow);
    transform: rotate(.6deg);
}
.scene::before,
.scene::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border-color: var(--gold);
    pointer-events: none;
}
.scene::before { top: 12px; left: 12px; border-top: 1px solid; border-left: 1px solid; }
.scene::after { right: 13px; bottom: 13px; width: 38px; height: 38px; border: 1px solid rgba(179, 64, 46, .34); border-radius: 50%; }
.scene-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 0 13px 2px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 10.5px;
}
.scene-title { color: var(--ink); font-family: var(--serif); font-size: 13px; }
.scan-bar { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--seal); }
.scan-bar svg { width: 13px; height: 13px; }
.manuscript {
    position: relative;
    min-height: 260px;
    margin-top: 8px;
    padding: 9px 0 5px;
}
.ms-line {
    display: block;
    width: 100%;
    position: relative;
    margin: 0 0 5px;
    padding: 11px 66px 11px 12px;
    border: 0;
    border-bottom: 1px dotted rgba(182, 166, 142, .38);
    border-radius: 0;
    background: transparent;
    color: #46515b;
    font-family: var(--serif);
    font-size: 15.5px;
    line-height: 2.05;
    text-align: left;
    cursor: pointer;
    transition: color .18s ease, background .18s ease;
}
.ms-line:hover { color: var(--ink); background: rgba(231, 222, 206, .32); }
.ms-line.active { color: var(--ink); background: rgba(231, 222, 206, .46); }
.ms-copy { position: relative; }
.ms-line.active .ms-copy::after {
    content: "";
    position: absolute;
    left: -5px; right: -5px; bottom: -3px;
    height: 7px;
    border-top: 2px solid rgba(179, 64, 46, .7);
    border-radius: 50%;
    transform: rotate(-.7deg);
}
.ms-line b { font-weight: 500; background: linear-gradient(transparent 62%, var(--hl) 62%); }
.ms-line b.h-human { --hl: rgba(47, 107, 86, .18); }
.ms-line b.h-uncertain { --hl: rgba(154, 107, 34, .18); }
.ms-line b.h-likely { --hl: rgba(169, 85, 46, .2); }
.ms-line b.h-high { --hl: rgba(150, 62, 54, .2); }
.margin-note {
    position: absolute;
    right: 3px;
    top: 18px;
    color: var(--seal);
    font-family: var(--serif);
    font-size: 11px;
    line-height: 1.25;
    writing-mode: vertical-rl;
    letter-spacing: .08em;
    opacity: .38;
}
.ms-line.active .margin-note { opacity: 1; }
.sweep { display: none; }
.readout { position: relative; min-height: 126px; margin-top: 7px; padding: 15px 78px 15px 17px; border-left: 2px solid var(--seal); background: rgba(242, 221, 213, .42); }
.comment-heading { display: flex; align-items: center; gap: 10px; }
.comment-verdict { color: var(--seal); font-family: var(--serif); font-size: 13px; font-weight: 600; }
.master-signature {
    display: inline-grid;
    place-items: center;
    width: 39px;
    height: 39px;
    border: 2px solid currentColor;
    border-radius: 50%;
    color: var(--seal);
    font-family: var(--serif);
    font-size: 9px;
    line-height: 1.15;
    text-align: center;
    transform: rotate(-8deg);
}
.readout p { margin: 7px 0 0; color: #4a5054; font-family: var(--serif); font-size: 13.5px; line-height: 1.8; }
.readout .master-signature { position: absolute; right: 17px; top: 18px; }
.reading-desk .master-portrait { bottom: -48px; }
.scroll-hint {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 48px;
    border-top: 1px solid rgba(232, 226, 216, .13);
    color: #8f9ba4;
    font-size: 11px;
    letter-spacing: .08em;
    text-decoration: none;
}
.scroll-hint:hover { color: #f0d5aa; }
.scroll-hint svg { width: 13px; height: 13px; }

/* Editorial sections */
section.band { position: relative; padding: 100px 0; }
section.band.alt { background: rgba(231, 222, 206, .54); border-block: 1px solid rgba(182, 166, 142, .5); }
section.band.dark { background: var(--ink); color: #f7f4ed; }
.section-head { display: grid; grid-template-columns: 56px minmax(0, 1fr) minmax(230px, .52fr); gap: 24px; align-items: end; }
.chapter-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--seal);
    border-radius: 50%;
    color: var(--seal);
    font: 500 18px/1 var(--serif);
}
.section-head h2 { max-width: 15em; margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(31px, 3.4vw, 46px); font-weight: 500; line-height: 1.42; }
.section-head p { margin: 0 0 7px; color: var(--muted); font-family: var(--serif); font-size: 14px; line-height: 1.9; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .65fr); gap: 30px 70px; align-items: end; max-width: none; }
.sec-head .kicker {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: -6px;
    color: var(--seal);
    font-size: 11px;
    letter-spacing: .18em;
}
.sec-head .kicker::after { content: ""; width: 44px; height: 1px; background: currentColor; opacity: .6; }
.sec-head h2 {
    max-width: 15em;
    margin: 0;
    color: var(--ink);
    font-size: clamp(30px, 3.2vw, 43px);
    font-weight: 500;
    line-height: 1.42;
}
.sec-head p { margin: 0 0 5px; color: var(--muted); font-size: 14px; line-height: 1.95; }
section.band.dark .sec-head h2 { color: #f7f4ed; }
section.band.dark .sec-head p { color: #b9c0c4; }

.critique-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 58px; border-top: 1px solid var(--ink); }
.critique-item { min-width: 0; padding: 29px 30px 10px; border-right: 1px solid var(--line); }
.critique-item:first-child { padding-left: 0; }
.critique-item:last-child { padding-right: 0; border-right: 0; }
.critique-no { color: var(--seal); font: 500 11px/1 var(--latin); letter-spacing: .12em; }
.critique-item h3 { margin: 15px 0 8px; color: var(--ink); font-family: var(--serif); font-size: 25px; font-weight: 600; }
.critique-item p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.9; }
.critique-item blockquote {
    position: relative;
    margin: 26px 0 0;
    padding: 14px 0 0 17px;
    border-top: 1px dotted var(--line-strong);
    color: #596269;
    font-family: var(--serif);
    font-size: 13px;
    line-height: 1.8;
}
.critique-item blockquote::before { content: "朱"; position: absolute; left: 0; top: 13px; color: var(--seal); font-size: 10px; }

.cols { display: grid; gap: 0; margin-top: 54px; }
.cols.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 54px; }
.cols.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
.cols.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.feature {
    position: relative;
    min-width: 0;
    padding: 30px 28px 26px;
    border-top: 1px solid var(--ink);
    border-right: 1px solid var(--line);
}
.feature:first-child { padding-left: 0; }
.feature:last-child { padding-right: 0; border-right: 0; }
.feature .ico {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    margin-bottom: 21px;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--seal);
    background: var(--paper-raised);
}
.feature .ico svg { width: 17px; height: 17px; stroke-width: 1.5; }
.feature h3 { margin: 0 0 10px; color: var(--ink); font-family: var(--serif); font-size: 20px; font-weight: 600; }
.feature p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.9; }
.feature ul { margin: 17px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 12.5px; }
.feature li { position: relative; margin-bottom: 4px; padding-left: 13px; }
.feature li::before { content: "·"; position: absolute; left: 0; color: var(--seal); }
section.band > .wrap > .meta { max-width: 72em; }

/* Verdict legend */
.verdicts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 50px; border-block: 1px solid var(--line-strong); }
.verdict { position: relative; min-width: 0; padding: 22px 24px 23px; border-right: 1px solid var(--line); background: transparent; border-radius: 0; }
.verdict:last-child { border-right: 0; }
.verdict .bar { position: absolute; top: -1px; left: 0; width: 100%; height: 2px; margin: 0; border-radius: 0; }
.verdict.human .bar { background: var(--human); }
.verdict.uncertain .bar { background: var(--uncertain); }
.verdict.likely .bar { background: var(--likely); }
.verdict.high .bar { background: var(--high); }
.verdict h4 { margin: 0 0 5px; color: var(--ink); font-family: var(--serif); font-size: 17px; }
.verdict p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }

/* Interactive report specimen */
.demo {
    margin-top: 48px;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 0;
    background: var(--paper-raised);
    box-shadow: 12px 14px 0 rgba(200, 180, 146, .3), var(--shadow);
}
.demo-top {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 11.5px;
}
.demo-top svg { width: 14px; height: 14px; color: var(--seal); }
.demo-stamp { padding: 0 6px; border: 1px solid rgba(179, 64, 46, .46); color: var(--seal); font-family: var(--serif); font-size: 9px; line-height: 18px; transform: rotate(-4deg); }
.demo-top .spacer { flex: 1; }
.demo-body { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); }
.demo-text { padding: 33px 35px; border-right: 1px solid var(--line); background: repeating-linear-gradient(0deg, transparent 0, transparent 35px, rgba(109, 91, 64, .04) 36px); }
.demo-text .para {
    position: relative;
    margin: 0 0 6px;
    padding: 13px 16px 13px 20px;
    border-left: 2px solid var(--line);
    border-radius: 0;
    color: #3e4a53;
    font-family: var(--serif);
    font-size: 14.5px;
    line-height: 2;
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease;
}
.demo-text .para:hover { background: rgba(231, 222, 206, .36); }
.demo-text .para.sel { color: var(--ink); background: rgba(231, 222, 206, .58); border-left-color: var(--seal); }
.demo-text .para.HUMAN { border-left-color: var(--human); }
.demo-text .para.UNCERTAIN { border-left-color: var(--uncertain); }
.demo-text .para.LIKELY_AI { border-left-color: var(--likely); }
.demo-text .para.HIGH_CONFIDENCE_AI { border-left-color: var(--high); }
.demo-text .para .pid { display: block; margin-bottom: 3px; color: var(--muted-light); font: 10px/1.5 var(--latin); letter-spacing: .08em; }
.demo-side { position: relative; padding: 32px 32px; background: rgba(242, 234, 219, .54); }
.demo-side h4 { margin: 0 0 16px; color: var(--muted); font-family: var(--serif); font-size: 13px; font-weight: 500; }
.demo-verdict { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.demo-verdict .master-signature { width: 45px; height: 45px; font-size: 10px; }
.demo-comment { margin: 19px 0 0; color: var(--ink); font-family: var(--serif); font-size: 17px; line-height: 1.8; }
.demo-notes { margin: 21px 0 0; padding: 0; list-style: none; border-top: 1px dotted var(--line-strong); }
.demo-notes li { position: relative; padding: 11px 0 11px 21px; border-bottom: 1px dotted var(--line); color: var(--muted); font-family: var(--serif); font-size: 12.5px; line-height: 1.8; }
.demo-notes li::before { content: "批"; position: absolute; left: 0; top: 11px; color: var(--seal); font-size: 10px; }
.demo-quiet { margin: 20px 0 0; color: var(--muted); font-family: var(--serif); font-size: 13px; }
.chip {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    border: 1px solid currentColor;
    border-radius: 1px;
    font-size: 10.5px;
    line-height: 20px;
    white-space: nowrap;
}
.chip.HUMAN { color: var(--human); }
.chip.UNCERTAIN { color: var(--uncertain); }
.chip.LIKELY_AI { color: var(--likely); }
.chip.HIGH_CONFIDENCE_AI { color: var(--high); }
.chip.gray { color: var(--muted); }
.judgment-key { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 15px; margin-top: 28px; }
.judgment-key .key-item { padding: 1px 9px; border-bottom: 2px solid currentColor; font-family: var(--serif); font-size: 12px; }
.judgment-key .HUMAN { color: var(--human); }
.judgment-key .UNCERTAIN { color: var(--uncertain); }
.judgment-key .LIKELY_AI { color: var(--likely); }
.judgment-key .HIGH_CONFIDENCE_AI { color: var(--high); }
.judgment-key p { margin: 0 0 0 auto; color: var(--muted); font-size: 11.5px; }
.evcard { min-width: 0; margin-bottom: 12px; padding: 15px 16px; border: 1px solid var(--line); border-radius: 0; background: rgba(252, 250, 245, .8); }
.evcard:last-child { margin-bottom: 0; }
.evcard .top { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; }
.evcard .top code { min-width: 0; color: var(--ink); font: 12px/1.5 var(--serif); overflow-wrap: anywhere; }
.evcard p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.evcard .grid2 { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; color: var(--muted-light); font: 10.5px/1.5 var(--latin); }
.evcard .why { margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.75; }

/* Tables and pricing */
table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 13px; }
th, td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: .06em; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-scroll { max-width: 100%; overflow-x: auto; }
.table-scroll table { min-width: 560px; }
.price-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 49px; border-top: 1px solid var(--ink); }
.price-card {
    position: relative;
    min-width: 0;
    padding: 31px 29px 12px;
    border-top: 0;
    border-right: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
}
.price-card:first-child { padding-left: 0; }
.price-card:last-child { padding-right: 0; border-right: 0; }
.price-card.feature-card { background: rgba(252, 248, 238, .7); }
.price-card.feature-card::before { content: "先试"; position: absolute; top: 13px; right: 20px; color: var(--seal); font-family: var(--serif); font-size: 10px; }
.price-card h3 { margin: 0 0 5px; color: var(--ink); font-family: var(--serif); font-size: 22px; font-weight: 600; }
.price-card .sub { margin: 0 0 25px; color: var(--muted); font-size: 12px; }
.price-card .amount { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.price-card .amount b { color: var(--ink); font: 600 38px/1 var(--latin); }
.price-card .amount span { color: var(--muted); font-size: 11px; }
.price-card ul { margin: 20px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); list-style: none; }
.price-card li { display: flex; gap: 7px; align-items: flex-start; margin-bottom: 8px; color: var(--muted); font-size: 12.5px; }
.price-card li svg { width: 14px; height: 14px; flex: none; margin-top: 4px; color: var(--seal); }
.price-note { max-width: 55em; margin: 20px 0 0; padding-top: 16px; border-top: 1px dotted var(--line-strong); color: var(--muted); font-size: 11.5px; line-height: 1.9; }
.product-note { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 35px; padding: 17px 0; border-block: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.product-note strong { color: var(--ink); font-family: var(--serif); font-size: 14px; font-weight: 600; }
.product-note a { margin-left: auto; color: var(--seal); text-underline-offset: 3px; }

/* Closing call and footer */
.cta {
    position: relative;
    padding: 95px 0;
    overflow: hidden;
    background: var(--ink);
    color: #f7f4ed;
    text-align: center;
}
.cta::before {
    content: "批";
    position: absolute;
    top: 50%;
    left: 50%;
    color: rgba(247, 244, 237, .035);
    font: 350px/1 var(--serif);
    transform: translate(-50%, -50%);
}
.cta .wrap { position: relative; }
.cta-seal { display: inline-grid; place-items: center; width: 48px; height: 48px; margin-bottom: 20px; border: 2px solid #d6b376; border-radius: 50%; color: #d6b376; font-family: var(--serif); font-size: 12px; transform: rotate(-7deg); }
.cta h2 { max-width: 22em; margin: 0 auto; color: #f7f4ed; font-size: clamp(30px, 3.5vw, 44px); font-weight: 500; line-height: 1.45; }
.cta p { max-width: 34em; margin: 16px auto 0; color: #b9c0c4; font-size: 13.5px; }
.cta .hero-cta { justify-content: center; margin-top: 29px; }
.cta .btn.ghost-dark { color: #e7e0d5; border-color: #697581; }
.cta .btn.ghost-dark:hover { color: #fff; border-color: #d2c2aa; }
footer.site { padding: 48px 0 34px; background: #111d2b; color: #88949e; font-size: 12px; }
.foot-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 38px; }
footer.site .brand { color: #f7f4ed; }
footer.site .brand .brand-mark { width: 34px; height: 34px; }
footer.site a { color: #aab3ba; text-decoration: none; }
footer.site a:hover { color: #fff; }
.foot-links { display: flex; flex-wrap: wrap; gap: 24px; padding-top: 10px; }
.copyright { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(247, 244, 237, .1); color: #6f7c87; font-size: 10.5px; line-height: 1.8; }

/* Agreement and sign-in */
.overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 22px;
    background: rgba(17, 29, 43, .82);
    backdrop-filter: blur(5px);
    animation: fade .18s ease;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
    width: 100%;
    max-width: 430px;
    max-height: calc(100vh - 40px);
    overflow: auto;
    border: 1px solid var(--line-strong);
    border-top: 3px solid var(--seal);
    border-radius: 0;
    background: var(--paper-raised);
    box-shadow: 0 28px 80px rgba(8, 15, 24, .32);
    animation: rise .2s ease;
}
@keyframes rise { from { transform: translateY(8px); opacity: .7; } to { transform: none; opacity: 1; } }
.modal-head { display: flex; align-items: flex-start; gap: 14px; padding: 25px 25px 0; }
.modal-head h3 { margin: 0 0 6px; color: var(--ink); font-family: var(--serif); font-size: 22px; font-weight: 600; }
.modal-head p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.modal-close { display: grid; place-items: center; width: 30px; height: 30px; margin-left: auto; border: 0; border-radius: 50%; background: none; color: var(--muted); }
.modal-close:hover { background: var(--paper-deep); color: var(--ink); }
.modal-close svg { width: 17px; height: 17px; }
.tabs { display: flex; gap: 0; margin: 21px 25px 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 0; }
.tabs button { flex: 1; padding: 9px 0; border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); font-size: 13px; }
.tabs button.active { color: var(--ink); border-bottom-color: var(--seal); background: transparent; font-weight: 600; }
.modal form { padding: 20px 25px 25px; }
.field { display: block; margin-bottom: 15px; }
.field > span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 11.5px; }
.field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    background: var(--paper);
    font-size: 14px;
}
.field input:focus, textarea:focus, select:focus { outline: 2px solid rgba(163, 61, 47, .16); outline-offset: 0; border-color: var(--seal); }
.modal-foot { margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.75; text-align: center; }
.modal-foot a, .consent-body a { color: var(--seal); }
.consent-modal { max-width: 590px; }
.consent-body { max-height: 46vh; overflow-y: auto; padding: 5px 25px 0; }
.consent-body p { margin: 0 0 13px; color: var(--text); font-size: 13px; line-height: 1.85; }
.consent-body ul { margin: 0 0 14px; padding-left: 20px; }
.consent-body li { margin: 4px 0; color: var(--text); font-size: 13px; line-height: 1.8; }
.consent-check { display: flex; align-items: flex-start; gap: 9px; margin: 16px 25px 0; padding: 12px 14px; border-left: 2px solid var(--gold); background: var(--paper-warm); font-size: 12.5px; }
.consent-check input { flex: none; margin-top: 4px; accent-color: var(--seal); }
.consent-actions { display: flex; gap: 10px; padding: 17px 25px 25px; }
.consent-actions .btn { flex: 1; }
.alert {
    margin-bottom: 14px;
    padding: 11px 13px;
    border: 1px solid #d9b7aa;
    border-left: 3px solid var(--seal);
    border-radius: 0;
    background: var(--seal-wash);
    color: #74382f;
    font-size: 12.5px;
    line-height: 1.75;
}
.alert.info { border-color: #b9c9c4; border-left-color: var(--human); background: #eaf1ed; color: #305849; }
.alert strong { display: block; margin-bottom: 2px; font-weight: 600; }

/* Workbench shell */
.app { min-height: 100vh; display: flex; flex-direction: column; background: var(--paper); }
.app-top {
    position: sticky;
    top: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
    align-items: center;
    gap: 22px;
    min-height: 70px;
    padding: 10px 30px;
    border-bottom: 1px solid var(--line-strong);
    background: rgba(247, 244, 237, .95);
    backdrop-filter: blur(14px);
}
.app-top .brand { flex: none; white-space: nowrap; }
.app-top .brand small { color: var(--muted); }
.app-tabs { display: flex; align-items: center; gap: 28px; margin: 0; }
.app-tabs button {
    position: relative;
    padding: 9px 0;
    border: 0;
    border-radius: 0;
    background: none;
    color: var(--muted);
    font-size: 13px;
}
.app-tabs button::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 0; height: 1px; background: var(--seal); transition: left .18s ease, right .18s ease; }
.app-tabs button:hover { color: var(--ink); }
.app-tabs button.active { color: var(--ink); font-weight: 600; }
.app-tabs button.active::after { left: 0; right: 0; }
.app-who { justify-self: end; display: flex; align-items: center; gap: 13px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.app-who .bal { color: var(--seal); font: 600 16px/1 var(--latin); }
.app-main { flex: 1; padding: 36px 30px 72px; }
.app-wrap { width: 100%; max-width: 1180px; margin: 0 auto; }

.panel {
    min-width: 0;
    padding: 27px 29px;
    border: 1px solid var(--line);
    border-top: 2px solid var(--ink);
    border-radius: 0;
    background: rgba(252, 250, 245, .76);
    box-shadow: 0 12px 32px rgba(46, 37, 26, .035);
}
.panel h2 { margin: 0 0 15px; color: var(--ink); font-family: var(--serif); font-size: 22px; font-weight: 600; }
.panel h3 { margin: 21px 0 8px; color: var(--ink-faint); font-family: var(--serif); font-size: 16px; font-weight: 600; }
.panel h4 { margin: 14px 0 6px; color: var(--ink); font-size: 13px; }
.app-grid { display: grid; grid-template-columns: minmax(320px, .9fr) minmax(340px, 1.1fr); gap: 18px; align-items: start; }
.seg { display: inline-flex; gap: 0; padding: 0; border: 1px solid var(--line-strong); border-radius: 0; background: transparent; }
.seg button { padding: 6px 13px; border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--muted); font-size: 12px; }
.seg button:last-child { border-right: 0; }
.seg button.active { color: #fffaf1; background: var(--ink); font-weight: 500; box-shadow: none; }
textarea {
    width: 100%;
    min-height: clamp(350px, 49vh, 630px);
    padding: 22px 25px;
    border: 1px solid var(--line);
    border-radius: 0;
    background:
        repeating-linear-gradient(0deg, transparent 0, transparent 32px, rgba(109, 91, 64, .06) 33px),
        var(--paper-raised);
    color: var(--ink);
    font-family: var(--serif);
    font-size: 15px;
    line-height: 2.2;
    resize: vertical;
}
textarea::placeholder { color: var(--muted-light); }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 11px; }
.row.between { justify-content: space-between; }
.row.mt { margin-top: 17px; }
.empty { padding: 34px 8px; color: var(--muted); font-family: var(--serif); font-size: 14px; text-align: center; }
.quote-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 16px;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--gold);
    border-radius: 0;
    background: var(--paper-raised);
}
.quote-summary > div { min-width: 0; padding: 12px 15px; background: transparent; border-right: 1px solid var(--line); }
.quote-summary > div:last-child { border-right: 0; }
.quote-summary > div[style*="grid-column"] { border-top: 1px solid var(--line); border-right: 0; }
.quote-summary b { display: block; color: var(--ink); font: 600 20px/1.35 var(--latin); overflow-wrap: anywhere; }
.quote-summary span { color: var(--muted); font-size: 11px; }
.quote-summary.blocked { border-left-color: var(--seal); }
.metrics { display: flex; flex-wrap: wrap; gap: 0; margin: 15px 0 20px; border-block: 1px solid var(--line); }
.metric { min-width: 135px; flex: 1; padding: 14px 19px; border-right: 1px solid var(--line); }
.metric:first-child { padding-left: 0; }
.metric:last-child { border-right: 0; }
.metric .v { color: var(--ink); font: 600 28px/1.25 var(--latin); }
.metric .k { color: var(--muted); font-size: 11px; }
.metric .meta { margin-top: 3px; font-size: 10px; }
.queue-list { display: grid; gap: 8px; }
.queue-item { display: flex; align-items: center; gap: 11px; padding: 12px 13px; border: 1px solid var(--line); border-radius: 0; background: var(--paper-raised); }
.queue-item.active { border-color: var(--gold); background: #fbf5e8; box-shadow: none; }
.queue-dot { width: 7px; height: 7px; flex: none; border-radius: 50%; background: var(--muted-light); }
.queue-dot.QUEUED { background: var(--uncertain); }
.queue-dot.RUNNING { background: var(--gold); animation: queuePulse 1.3s ease-in-out infinite; }
.queue-dot.COMPLETED { background: var(--human); }
.queue-dot.FAILED { background: var(--high); }
@keyframes queuePulse { 50% { opacity: .35; } }
.queue-main { min-width: 0; }
.queue-title { color: var(--ink); font-size: 12.5px; font-weight: 600; }
.queue-title code { color: var(--muted); font-size: 10.5px; font-weight: 400; }
.queue-detail { margin-top: 1px; color: var(--muted); font-size: 11.5px; }

/* Report as a marked-up manuscript */
.report-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 14px; }
.report-actions .spacer { flex: 1; }
.report-panel { padding: 32px 34px; }
.report-title { margin: 30px 0 4px; color: var(--ink); font-family: var(--serif); font-size: 30px; font-weight: 500; }
.report-sub { margin: 0 0 22px; color: var(--muted); font-size: 11px; }
.report-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr); gap: 33px; align-items: start; }
.report-layout .doc-text { padding-right: 10px; }
.report-toc { position: sticky; top: 94px; max-height: calc(100vh - 120px); overflow-y: auto; overscroll-behavior: contain; padding-left: 19px; border-left: 1px solid var(--line); }
.report-toc h3 { margin: 0 0 10px; }
.toc-item { display: block; width: 100%; margin-bottom: 9px; padding: 11px 12px; border: 1px solid var(--line); border-left: 2px solid var(--muted); border-radius: 0; background: var(--paper-raised); text-align: left; }
.toc-item.active { border-color: var(--gold); border-left-color: var(--seal); box-shadow: none; background: #fbf5e8; }
.toc-item .toc-head { display: flex; align-items: center; gap: 7px; margin-bottom: 5px; }
.toc-item .toc-text { display: -webkit-box; overflow: hidden; color: var(--muted); font: 12px/1.7 var(--serif); -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.toc-item .toc-rule { display: block; margin-bottom: 2px; color: var(--ink); font-size: 11px; font-weight: 600; }
.toc-item.LIKELY_AI { border-left-color: var(--likely); }
.toc-item.HIGH_CONFIDENCE_AI { border-left-color: var(--high); }
.toc-item.UNCERTAIN { border-left-color: var(--uncertain); }
.toc-item.HUMAN { border-left-color: var(--human); }
.doc { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.doc-text { white-space: pre-wrap; color: #303d47; font: 15px/2.15 var(--serif); }
.mark { padding: 1px 0; border-radius: 0; background: transparent; box-decoration-break: clone; cursor: pointer; transition: background .15s ease; }
.mark.LIKELY_AI { background: rgba(169, 85, 46, .11); box-shadow: inset 0 -1px 0 var(--likely); }
.mark.HIGH_CONFIDENCE_AI { background: rgba(150, 62, 54, .13); box-shadow: inset 0 -1px 0 var(--high); }
.mark.UNCERTAIN { background: rgba(154, 107, 34, .1); box-shadow: inset 0 -1px 0 var(--uncertain); }
.mark.HUMAN { background: rgba(47, 107, 86, .08); box-shadow: inset 0 -1px 0 var(--human); }
.mark.active { outline: 1px solid var(--seal); outline-offset: 2px; }
.doc-notes { position: sticky; top: 94px; display: grid; gap: 10px; max-height: 70vh; overflow: auto; }
.note { padding: 12px 13px; border: 1px solid var(--line); border-left: 2px solid var(--muted); border-radius: 0; background: var(--paper-raised); cursor: pointer; font-size: 12px; }
.note.LIKELY_AI { border-left-color: var(--likely); }
.note.HIGH_CONFIDENCE_AI { border-left-color: var(--high); }
.note.UNCERTAIN { border-left-color: var(--uncertain); }
.note.HUMAN { border-left-color: var(--human); }
.note.active { border-color: var(--gold); border-left-color: var(--seal); box-shadow: none; background: #fbf5e8; }
.note .head { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.note .pid { color: var(--muted-light); font: 10px/1.5 var(--latin); }
.note ul { margin: 6px 0 0; padding: 0; list-style: none; }
.note li { padding: 7px 0; border-top: 1px dotted var(--line); }
.note li:first-child { border-top: 0; }
.note li .rule { color: var(--ink); font-weight: 600; }
.note li .why { margin-top: 2px; color: var(--muted); }
.note li .num { color: var(--muted-light); font-size: 10.5px; font-variant-numeric: tabular-nums; }
ul.evidence { margin: 0; padding: 0; list-style: none; }
ul.evidence li { margin-bottom: 8px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 0; }
ul.evidence li p { margin: 5px 0 0; color: var(--muted); }
.content-review .top { flex-wrap: wrap; }
.content-review .top strong { min-width: 0; }
.content-review blockquote { margin: 10px 0 0; padding: 10px 13px; border-left: 2px solid var(--gold); background: var(--paper-warm); color: var(--muted); font-family: var(--serif); }
.keybox { margin-top: 12px; padding: 12px 13px; border: 1px solid var(--gold-light); border-radius: 0; background: #fbf4e7; color: var(--ink); word-break: break-all; font: 12px/1.7 ui-monospace, Menlo, monospace; }

/* Responsive */
@media (max-width: 1060px) {
    .nav-inner { gap: 24px; }
    nav.links { gap: 20px; }
    .hero-grid { grid-template-columns: minmax(290px, .8fr) minmax(0, 1.2fr); gap: 38px; min-height: 620px; }
    .hero h1 { font-size: clamp(40px, 4.8vw, 51px); }
    .reading-desk { padding-left: 22px; }
    .scene { margin-left: 42px; padding-left: 22px; }
    .master-portrait { width: 155px; }
    .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .price-card:nth-child(2) { border-right: 0; padding-right: 0; }
    .price-card:nth-child(n+3) { border-top: 1px solid var(--line); }
    .cols.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .feature:nth-child(2) { border-right: 0; padding-right: 0; }
    .feature:nth-child(3) { padding-left: 0; }
    .feature:nth-child(n+3) { border-top: 1px solid var(--line); }
    .app-top { grid-template-columns: auto 1fr auto; }
    .app-tabs { justify-self: center; }
}
@media (max-width: 820px) {
    .wrap { padding-inline: 22px; }
    .nav-inner { height: 68px; }
    nav.links { display: none; }
    .nav-actions .nav-member { display: none; }
    .hero { padding-top: 48px; }
    .hero-grid { grid-template-columns: 1fr; gap: 38px; min-height: 0; padding-bottom: 46px; }
    .hero-copy { max-width: 620px; }
    .hero h1 { font-size: clamp(40px, 7.6vw, 58px); }
    .reading-desk { width: 100%; max-width: 760px; margin: 0 auto; padding: 54px 0 16px 28px; }
    .master-portrait { width: 180px; left: -4px; }
    .scene { max-width: none; margin-left: 44px; padding-left: 22px; }
    .section-head { grid-template-columns: 42px minmax(0, 1fr); gap: 16px 20px; align-items: start; }
    .section-head p { grid-column: 2; }
    .critique-grid { grid-template-columns: 1fr; margin-top: 42px; }
    .critique-item, .critique-item:first-child, .critique-item:last-child { padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .critique-item:last-child { border-bottom: 0; }
    section.band { padding: 78px 0; }
    .sec-head { grid-template-columns: 1fr; gap: 16px; }
    .sec-head .kicker { grid-column: auto; }
    .cols.c3, .cols.c4 { grid-template-columns: 1fr; }
    .cols.c2 { grid-template-columns: 1fr; gap: 28px; }
    .feature, .feature:first-child, .feature:nth-child(2), .feature:nth-child(3), .feature:last-child { padding: 25px 0; border-right: 0; border-top: 1px solid var(--line); }
    .feature:first-child { border-top-color: var(--ink); }
    .verdicts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .verdict:nth-child(2) { border-right: 0; }
    .verdict:nth-child(n+3) { border-top: 1px solid var(--line); }
    .demo-body { grid-template-columns: 1fr; }
    .demo-text { border-right: 0; border-bottom: 1px solid var(--line); }
    .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .price-card, .price-card:first-child, .price-card:last-child { padding: 27px 20px 18px; border-right: 1px solid var(--line); border-top: 1px solid var(--line); }
    .price-card:nth-child(2n) { border-right: 0; padding-right: 0; }
    .price-card:nth-child(2n+1) { padding-left: 0; }
    .price-card:nth-child(-n+2) { border-top: 0; }
    .app-top { grid-template-columns: 1fr auto; gap: 4px 14px; padding: 9px 18px; }
    .app-top .brand { grid-column: 1; }
    .app-who { grid-column: 2; grid-row: 1; }
    .app-tabs { grid-column: 1 / -1; grid-row: 2; justify-self: stretch; justify-content: space-around; gap: 0; border-top: 1px solid var(--line); }
    .app-tabs button { flex: 1; padding: 7px 5px 6px; }
    .app-main { padding: 26px 18px 55px; }
    .app-grid { grid-template-columns: 1fr; }
    .report-layout { grid-template-columns: 1fr; }
    .report-toc { position: static; order: -1; max-height: none; padding-left: 0; border-left: 0; }
    .doc { grid-template-columns: 1fr; }
    .doc-notes { position: static; max-height: none; }
}
@media (max-width: 560px) {
    .wrap { padding-inline: 18px; }
    .nav-inner { height: 62px; }
    .brand { font-size: 15px; }
    .brand .brand-mark { width: 33px; height: 33px; }
    .brand small { display: none; }
    .nav-actions { gap: 7px; }
    .nav-actions .btn { min-height: 34px; padding: 6px 10px; font-size: 12px; }
    .nav-actions .btn svg { display: none; }
    .hero { padding-top: 28px; }
    .hero-grid { gap: 20px; padding-bottom: 30px; }
    .eyebrow { font-size: 10.5px; letter-spacing: .11em; }
    .hero h1 { margin-top: 0; font-size: clamp(32px, 9.4vw, 38px); line-height: 1.38; }
    .hero p.lead { margin-top: 12px; font-size: 13px; line-height: 1.8; }
    .hero-cta { display: grid; grid-template-columns: 1fr; gap: 8px; margin-top: 18px; }
    .hero-cta .btn { width: 100%; }
    .hero-note { display: flex; gap: 5px 14px; margin-top: 17px; padding-top: 13px; font-size: 10px; }
    .reading-desk { padding: 28px 0 10px 13px; }
    .master-portrait { width: 96px; left: -8px; bottom: 4px; }
    .master-portrait span { right: 4px; bottom: 12px; font-size: 8px; }
    .scene { margin: 0; padding: 19px 14px 18px 17px; box-shadow: 7px 8px 0 rgba(198, 164, 109, .18); }
    .scene-head { gap: 7px; font-size: 9px; }
    .scan-bar { font-size: 9px; }
    .manuscript { min-height: 0; padding: 7px 0 4px; }
    .ms-line { margin-bottom: 3px; padding: 8px 42px 9px 8px; font-size: 13px; line-height: 1.92; }
    .margin-note { right: 0; top: 13px; font-size: 9px; }
    .readout { min-height: 126px; padding: 13px 54px 13px 13px; }
    .readout .master-signature { right: 11px; top: 15px; width: 34px; height: 34px; font-size: 8px; }
    .readout p { font-size: 12.5px; }
    .reading-desk .master-portrait { bottom: 4px; }
    .price-grid { grid-template-columns: 1fr; }
    .price-card, .price-card:first-child, .price-card:last-child { padding: 25px 0; border-right: 0; border-top: 1px solid var(--line); }
    .price-card:first-child { border-top: 0; }
    .scroll-hint { height: 42px; font-size: 10px; }
    section.band { padding: 64px 0; }
    .section-head { grid-template-columns: 35px minmax(0, 1fr); gap: 12px 14px; }
    .chapter-mark { width: 32px; height: 32px; font-size: 15px; }
    .section-head h2 { font-size: 29px; line-height: 1.48; }
    .section-head p { font-size: 13px; }
    .cols { margin-top: 34px; }
    .feature .ico { margin-bottom: 16px; }
    .feature h3 { font-size: 18px; }
    .verdicts { margin-top: 32px; }
    .verdict { padding: 18px 14px; }
    .verdict h4 { font-size: 15px; }
    .demo { margin-top: 27px; }
    .demo-top { flex-wrap: wrap; gap: 4px 7px; padding: 11px 13px; font-size: 10px; }
    .demo-top #demoHint { width: 100%; margin-top: 3px; }
    .demo-text { padding: 19px 13px; }
    .demo-text .para { padding: 10px 10px 10px 13px; font-size: 13px; line-height: 1.95; }
    .demo-side { padding: 22px 15px; }
    .demo-comment { font-size: 16px; }
    .judgment-key { gap: 9px 10px; }
    .judgment-key p { width: 100%; margin: 4px 0 0; }
    .price-card .amount b { font-size: 34px; }
    .cta { padding: 72px 0; }
    .cta h2 { font-size: 29px; }
    .foot-grid { display: block; }
    .foot-links { margin-top: 26px; gap: 18px; }
    .modal { max-height: calc(100vh - 24px); }
    .overlay { padding: 12px; }
    .modal-head { padding: 21px 19px 0; }
    .modal-head h3 { font-size: 20px; }
    .tabs { margin: 17px 19px 0; }
    .modal form { padding: 17px 19px 21px; }
    .consent-body { padding-inline: 19px; max-height: 43vh; }
    .consent-check { margin-inline: 19px; }
    .consent-actions { padding: 15px 19px 21px; }
    .app-top { padding-inline: 13px; }
    .app-who { gap: 7px; }
    .app-who #appUser { display: none; }
    .app-who .btn { min-height: 30px; padding: 4px 9px; }
    .app-main { padding: 23px 13px 48px; }
    .panel { padding: 21px 17px; }
    .panel h2 { font-size: 20px; }
    .row.between { align-items: flex-start; }
    .seg { max-width: 100%; overflow-x: auto; }
    .seg button { padding: 6px 9px; font-size: 11.5px; }
    textarea { min-height: 360px; padding: 16px 15px; font-size: 14px; }
    .quote-summary { grid-template-columns: 1fr; }
    .quote-summary > div { border-right: 0; border-bottom: 1px solid var(--line); }
    .metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .metric, .metric:first-child { padding: 12px 10px; border-bottom: 1px solid var(--line); }
    .metric:nth-child(2n) { border-right: 0; }
    .metric:nth-last-child(-n+2) { border-bottom: 0; }
    .metric .v { font-size: 24px; }
    .queue-item { flex-wrap: wrap; }
    .queue-main { flex: 1 1 65%; }
    .queue-item .btn { margin-left: auto; }
    .report-actions { gap: 7px; }
    .report-actions .spacer { display: none; }
    .report-actions .btn { flex: 1 1 calc(50% - 7px); padding-inline: 8px; font-size: 11px; }
    .report-actions #reportBack { flex-basis: 100%; }
    .report-panel { padding: 22px 17px; }
    .report-title { font-size: 26px; }
    .doc-text { font-size: 14px; line-height: 2.05; }
    .keybox { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


/* Entrance page parity with the official site: brush 批, ruler mark, limits.
   Scoped to #landing so the same stylesheet can be shared with the site. */
@font-face {
    font-family: "FuzichaBrush";
    src: url("/brand/mashanzheng-mark.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    unicode-range: U+50CF, U+6279;
}

#landing .hero h1 em { background: none; }
#landing .master-signature {
    display: inline-block;
    width: auto;
    height: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    color: #b3402e;
    font-family: "FuzichaBrush", "Xingkai SC", "STXingkai", "Kaiti SC", "STKaiti", "KaiTi", serif;
    font-size: 52px;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0;
    text-align: left;
    transform: rotate(-7deg);
    opacity: .92;
}
#landing .demo-verdict .master-signature {
    width: auto;
    height: auto;
    margin-right: 4px;
    font-size: 32px;
}
#landing .comment-verdict {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
}
#landing .comment-verdict::before {
    content: "";
    width: 24px;
    height: 24px;
    flex: none;
    background: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23c8994b%22%20stroke-width%3D%222.4%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cg%20transform%3D%22rotate%28-42%2012%2012%29%22%3E%3Crect%20x%3D%222.6%22%20y%3D%228.9%22%20width%3D%2217.2%22%20height%3D%226.2%22%20rx%3D%221.5%22%2F%3E%3Cpath%20d%3D%22M6.2%208.9v2.6M9%208.9v2.6M11.8%208.9v2.6M14.6%208.9v2.6M17.4%208.9v2.6%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E") center / contain no-repeat;
}
#landing .demo-verdict .chip::before {
    content: "";
    width: 22px;
    height: 22px;
    flex: none;
    margin-right: 6px;
    background: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23c8994b%22%20stroke-width%3D%222.4%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cg%20transform%3D%22rotate%28-42%2012%2012%29%22%3E%3Crect%20x%3D%222.6%22%20y%3D%228.9%22%20width%3D%2217.2%22%20height%3D%226.2%22%20rx%3D%221.5%22%2F%3E%3Cpath%20d%3D%22M6.2%208.9v2.6M9%208.9v2.6M11.8%208.9v2.6M14.6%208.9v2.6M17.4%208.9v2.6%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E") center / contain no-repeat;
}

#landing .demo-verdict .chip {
    border: 0;
    padding: 0;
    font-family: "FuzichaBrush", var(--serif);
    font-size: 16px;
}

/* 边界与限制列表（首页与官网保持一致） */
.limits { margin: 44px 0 0; border-top: 1px solid var(--ink); }
.limit {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 30px;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}
.limit dt {
    margin: 0;
    color: var(--ink);
    font-family: var(--serif);
    font-size: 15.5px;
    font-weight: 600;
}
.limit dd { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.9; }
@media (max-width: 900px) {
    .limit { grid-template-columns: 1fr; gap: 6px; }
}