:root {
  --green: #147d59;
  --green-dark: #096544;
  --green-light: #edf6ef;
  --ink: #22362f;
  --muted: #7c8781;
  --line: #e5ebe6;
  --paper: #fafbf8;
  --font: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body { margin: 0; color: var(--ink); background: #fff; font: 14px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button, a { touch-action: manipulation; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
button:disabled { cursor: not-allowed; opacity: .42; }
button, textarea, select { outline: none; }
:focus-visible { outline: 3px solid #69b999; outline-offset: 4px; }
textarea:focus-visible { outline: none; box-shadow: inset 0 0 0 2px #74bda2; border-radius: 5px; }
::selection { background: #d5ebda; color: #145238; }
h1, h2, h3, p { margin: 0; }
svg { flex-shrink: 0; }
[hidden] { display: none !important; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.container { width: min(1180px, calc(100% - 80px)); margin: 0 auto; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; border-radius: 8px; background: var(--green); color: #fff; padding: 12px 23px; font-weight: 600; font-size: 14px; transition: background .2s, transform .2s, box-shadow .2s; white-space: nowrap; }
.button:hover:not(:disabled) { background: var(--green-dark); box-shadow: 0 5px 16px #147d591a; transform: translateY(-2px); }
.button .icon { width: 18px; height: 18px; }
.button-small { padding: 9px 18px; font-size: 13px; }
.button-large { padding: 14px 26px; font-size: 15px; border-radius: 8px; }
.button-outline { background: #fff9; border-color: #d5dfd6; color: var(--ink); }
.button-outline:hover:not(:disabled) { background: #f0f6ef; color: var(--green); }
.icon-button { display: inline-flex; padding: 6px; border: 0; background: transparent; border-radius: 5px; align-items: center; justify-content: center; color: #8b958e; }
.icon-button .icon { width: 17px; height: 17px; }
.icon-button:hover:not(:disabled) { background: #e8f1e9; color: var(--green); }
.text-button { display: inline-flex; align-items: center; gap: 6px; background: transparent; border: 0; padding: 5px 0; font-size: 12px; color: var(--green); }
.text-button .icon { width: 15px; height: 15px; }
.text-button:hover:not(:disabled) { color: var(--green-dark); text-decoration: underline; text-underline-offset: 3px; }
.skip-link { position: fixed; top: -70px; left: 20px; z-index: 100; background: var(--green); color: white; padding: 12px; }
.skip-link:focus { top: 8px; }
.site-header { height: 80px; position: sticky; top: 0; z-index: 20; background: #ffffffed; border-bottom: 1px solid #e9ede7; backdrop-filter: blur(14px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 750; letter-spacing: -.6px; white-space: nowrap; }
.brand-mark { width: 37px; height: 39px; border-radius: 11px 11px 11px 3px; background: var(--green); color: #fff; display: inline-flex; align-items: center; justify-content: center; }
.brand-mark .icon { width: 26px; height: 26px; stroke-width: 1.45; }
.brand-light { font-weight: 500; margin-left: 6px; }
.main-nav { display: flex; align-items: center; gap: 35px; margin-left: 35px; font-size: 13px; color: #626d65; }
.main-nav a { position: relative; padding: 28px 0; }
.main-nav a:hover, .main-nav a.active { color: var(--green); }
.main-nav a.active::after { content: ""; position: absolute; width: 16px; height: 3px; background: var(--green); border-radius: 4px; bottom: 17px; left: calc(50% - 8px); }
.menu-button { display: none; }
.hero { position: relative; overflow: hidden; background: #f8faf5; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(#b4c6b513 1px, transparent 1px), linear-gradient(90deg, #b4c6b513 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right, transparent 8%, #000); pointer-events: none; }
.hero::before { content: ""; position: absolute; right: 1%; top: 30px; width: 600px; height: 510px; background: radial-gradient(ellipse, #dcecd4a8, transparent 68%); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 42px; padding-top: 66px; padding-bottom: 70px; min-height: 580px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; border: 1px solid #dce7d8; background: #edf4e9; border-radius: 30px; padding: 5px 12px; color: #4e7157; font-size: 11px; letter-spacing: .7px; }
.eyebrow .icon { width: 14px; height: 14px; margin-left: 4px; }
.status-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 3px #147d590c; }
h1 { font-size: clamp(38px, 4vw, 53px); font-weight: 750; letter-spacing: -1.5px; line-height: 1.47; margin: 22px 0 20px; }
.highlight { color: var(--green); position: relative; display: inline-block; }
.highlight svg { position: absolute; bottom: -3px; left: 0; width: 100%; height: 12px; fill: none; stroke: #a9c497; stroke-width: 2.5; stroke-linecap: round; }
.hero-description { color: #768177; font-size: 14px; line-height: 2; letter-spacing: .35px; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; }
.play-icon { height: 18px; width: 18px; border: 1.3px solid #7d8e80; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.play-icon::after { content: ""; width: 0; height: 0; border: 3px solid transparent; border-left: 4px solid #586d5c; margin-left: 4px; }
.hero-assurances { display: flex; align-items: center; gap: 20px; color: #8c968d; font-size: 11px; margin-top: 23px; }
.hero-assurances span { display: inline-flex; align-items: center; gap: 5px; }
.hero-assurances .icon { width: 13px; height: 13px; color: #739178; }
.hero-visual { position: relative; height: 445px; margin-top: 16px; }
.orbit { position: absolute; width: 450px; height: 450px; border: 1px dashed #b3c7a840; border-radius: 50%; top: -4px; left: 37px; }
.orbit-two { width: 370px; height: 370px; top: 38px; left: 78px; }
.preview-card { position: absolute; border-radius: 12px; background: #fff; width: 425px; }
.original-card { top: 24px; left: 15px; transform: rotate(-4deg); border: 1px solid #e5e9df; padding: 20px 25px 19px; box-shadow: 0 8px 28px #31442408; }
.preview-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12px; font-weight: 600; margin-bottom: 15px; }
.preview-header > span { display: inline-flex; align-items: center; gap: 6px; }
.tiny-dot { width: 7px; height: 7px; display: inline-block; background: var(--green); border-radius: 50%; }
.tiny-dot.gray { background: #9eaba0; }
.muted-label { color: #9aa097; background: #f4f5f1; padding: 2px 7px; font-size: 9px; font-weight: 400; border-radius: 3px; }
.preview-card p { color: #8c9187; font-size: 12px; line-height: 2.05; text-align: justify; }
.preview-card mark { color: #8c9187; background: #f6f1e6; border-bottom: 1px dashed #ddd2b9; padding: 1px; }
.text-traits { display: flex; gap: 8px; margin-top: 12px; }
.text-traits span { font-size: 9px; color: #a0a598; background: #f7f7f3; border-radius: 3px; padding: 1px 6px; }
.rewritten-card { z-index: 2; top: 198px; left: 65px; transform: rotate(2deg); padding: 23px 25px 16px; border: 1px solid #b4d0ae; box-shadow: 0 16px 40px #334b2a10, 0 5px 10px #3b4a2d05; }
.rewritten-card .preview-header { color: var(--green-dark); }
.rewritten-card p { color: #4f6654; font-size: 13px; line-height: 2.1; }
.rewritten-card em { font-style: normal; background: linear-gradient(transparent 58%, #e7f1df 58%); }
.natural-label { font-size: 9px; font-weight: 400; padding: 2px 6px; background: #eff6e9; border-radius: 4px; }
.natural-label .icon { width: 12px; height: 12px; }
.rewritten-bottom { border-top: 1px solid #edf0e7; margin-top: 14px; padding-top: 11px; font-size: 9px; display: flex; justify-content: space-between; color: #a0a995; }
.rewritten-bottom > span:first-child { color: #809673; display: flex; align-items: center; gap: 5px; }
.rewritten-bottom .icon { width: 12px; height: 12px; }
.transform-badge { position: absolute; display: flex; align-items: center; justify-content: center; z-index: 3; top: 181px; left: 244px; width: 41px; height: 41px; color: #fff; background: var(--green); border: 5px solid #f6f9f0; border-radius: 50%; box-shadow: 0 3px 8px #2d5d2720; transform: rotate(4deg); }
.transform-badge .icon { width: 20px; height: 20px; }
.floating-tag { position: absolute; display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid #e7eee0; border-radius: 7px; box-shadow: 0 5px 18px #52603c08; }
.tag-original { top: -1px; right: 5px; z-index: 3; font-size: 10px; color: #758770; padding: 8px 13px; transform: rotate(5deg); }
.tag-original .icon { width: 14px; height: 14px; }
.tag-natural { left: -10px; top: 391px; z-index: 3; padding: 10px 14px; transform: rotate(-4deg); }
.tag-icon { color: var(--green); background: #eaf3df; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; }
.tag-natural strong { font-weight: 600; font-size: 11px; display: block; }
.tag-natural small { font-size: 8px; color: #94a18a; }
.visual-caption { position: absolute; right: 13px; bottom: -10px; color: #9ba88c; font-size: 8px; letter-spacing: 2px; }
.compatibility { position: relative; border-top: 1px solid #e4e9df; padding: 22px 0 25px; display: flex; align-items: center; gap: 32px; }
.compatibility-label { font-size: 10px; color: #97a08f; white-space: nowrap; }
.model-names { display: flex; flex: 1; align-items: center; justify-content: space-between; gap: 22px; color: #7e8b7a; }
.model-name { font-size: 18px; font-weight: 650; white-space: nowrap; letter-spacing: -.5px; }
.model-symbol { font-size: 26px; line-height: 1; vertical-align: middle; font-weight: 400; }
.deepseek { font-size: 20px; letter-spacing: -1px; font-weight: 600; }
.claude { font-family: Georgia, serif; font-size: 22px; font-weight: 500; }
.claude > span { font-size: 25px; vertical-align: middle; }
.kimi-dot { color: #91a180; }
.doubao { font-size: 18px; font-weight: 500; letter-spacing: 2px; }
.qwen { font-size: 16px; font-weight: 600; letter-spacing: 1px; }
.compatibility-note { color: #a0a896; font-size: 8px; max-width: 95px; line-height: 1.7; }
.section { padding: 78px 0; }
.section-kicker { font-size: 9px; font-weight: 600; color: var(--green); letter-spacing: 2.2px; margin-bottom: 12px; }
.section-heading h2, .faq-heading h2, .scenes-copy h2 { font-size: 29px; line-height: 1.6; font-weight: 650; letter-spacing: -.5px; }
.section-heading p { margin-top: 9px; font-size: 13px; color: #8a938c; }
.centered { text-align: center; }
.workspace-heading { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; }
.privacy-note { color: #809181; font-size: 10px; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.privacy-note .icon { width: 14px; height: 14px; }
.editor-shell { border: 1px solid #dce5dc; border-radius: 13px; overflow: hidden; box-shadow: 0 8px 36px #23492b05; }
.editor-settings { background: #f7f9f5; border-bottom: 1px solid var(--line); padding: 15px 22px; display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.mode-group { display: flex; align-items: center; gap: 8px; }
.setting-label { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; color: #748171; margin-right: 12px; }
.setting-label .icon { width: 16px; height: 16px; }
.mode-button { display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border: 1px solid transparent; background: transparent; border-radius: 6px; font-size: 11px; color: #83907e; }
.mode-button .icon { width: 14px; height: 14px; }
.mode-button.selected { background: #fff; color: var(--green); border-color: #dbe8d8; box-shadow: 0 2px 4px #293d2310; }
.mode-button:hover:not(:disabled) { background: #edf3e9; }
.strength-control { display: flex; align-items: center; gap: 10px; color: #84917d; font-size: 11px; }
.strength-control select { background: #fff; color: #62755b; border: 1px solid #dce5d6; border-radius: 5px; padding: 5px 22px 5px 10px; font-size: 11px; cursor: pointer; }
.editor-panels { display: grid; grid-template-columns: 1fr 1fr; }
.editor-panel { min-width: 0; display: flex; flex-direction: column; }
.input-panel { border-right: 1px solid var(--line); }
.output-panel { background: #fcfdfa; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; padding: 18px 23px 10px; min-height: 57px; gap: 10px; }
.panel-heading label { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.panel-heading label > .icon { color: #7f8e79; width: 16px; height: 16px; }
.output-panel .panel-heading label > .icon { color: var(--green); }
.result-badge { color: #8c9a7b; background: #eff5e8; font-weight: 400; font-size: 9px; border-radius: 4px; padding: 2px 6px; margin-left: 4px; }
textarea { resize: vertical; width: 100%; min-height: 285px; border: 0; padding: 15px 24px; background: transparent; line-height: 2; color: #455c4b; font-size: 13px; }
textarea::placeholder { color: #a7aea3; font-size: 12px; line-height: 2.15; }
#source-text { flex: 1; }
.output-body { position: relative; flex: 1; display: flex; min-height: 285px; }
#result-text { resize: none; flex: 1; }
.empty-result, .loading-result { width: 100%; min-height: 285px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px; text-align: center; }
.empty-icon { position: relative; width: 61px; height: 61px; border-radius: 17px; background: #f0f5e8; border: 1px solid #e7eedf; display: grid; place-items: center; color: #a5b697; margin-bottom: 18px; transform: rotate(-6deg); }
.empty-icon > .icon { width: 30px; height: 30px; stroke-width: 1.2; }
.empty-icon > span { position: absolute; right: -6px; top: -5px; width: 23px; height: 23px; border: 3px solid #fcfdfa; background: #e1ead6; border-radius: 50%; display: grid; place-items: center; }
.empty-icon span .icon { width: 12px; height: 12px; }
.empty-result strong { color: #95a18b; font-size: 12px; font-weight: 500; }
.empty-result p { color: #b4bbaa; font-size: 10px; margin-top: 5px; }
.empty-line { width: 25px; height: 2px; background: #e3ebd9; margin-top: 18px; }
.panel-footer { min-height: 49px; padding: 10px 23px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.upload-button { color: #8a9781; }
.count-actions { display: flex; align-items: center; font-size: 10px; gap: 5px; color: #77866e; }
.count-max { color: #a9b09f; }
.divider { height: 12px; width: 1px; background: #e3e8dc; margin-left: 10px; margin-right: 5px; }
.result-note { display: inline-flex; align-items: center; gap: 4px; color: #a4af99; font-size: 9px; }
.result-note .icon { width: 12px; height: 12px; }
.output-actions { display: flex; align-items: center; gap: 14px; }
.output-actions .text-button { color: #7d8e72; font-size: 10px; }
.output-counter { color: #90a080; font-size: 10px; }
.editor-bottom { display: flex; align-items: center; justify-content: space-between; background: #f8faf5; padding: 16px 23px; border-top: 1px solid var(--line); gap: 16px; }
.editor-bottom > div { display: flex; align-items: center; gap: 6px; color: #9ca791; font-size: 10px; }
.editor-bottom > div .icon { width: 13px; height: 13px; }
.rewrite-button { min-width: 195px; font-size: 13px; padding: 11px 20px; }
.rewrite-button > .icon:last-child { margin-left: 10px; }
.editor-disclaimer { text-align: center; font-size: 10px; color: #a1aa9a; margin-top: 15px; }
.loading-result strong { font-weight: 500; font-size: 13px; margin-top: 18px; color: var(--green); }
.loading-result p { font-size: 11px; color: var(--muted); margin: 8px 0; }
.spinner { width: 32px; height: 32px; border: 2px solid #dbe9d6; border-top-color: var(--green); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.features-section { background: #f9faf7; border-top: 1px solid #f0f2ec; border-bottom: 1px solid #f0f2ec; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.feature-card { padding: 28px; border: 1px solid #e6eadf; border-radius: 10px; background: #fff; transition: transform .2s, border-color .2s; display: flex; align-items: flex-start; flex-direction: column; }
.feature-card:hover { transform: translateY(-3px); border-color: #bad0b4; }
.feature-large { grid-column: span 2; background: #edf4e8; border-color: #dfe8d8; position: relative; overflow: hidden; }
.feature-large::after { content: ""; width: 200px; height: 200px; border: 1px solid #dae7d1; border-radius: 50%; position: absolute; top: -90px; right: -40px; box-shadow: 0 0 0 30px #e4eddd, 0 0 0 31px #dae7d1; pointer-events: none; }
.feature-icon { width: 39px; height: 39px; background: #e9f2e2; color: #699455; border-radius: 9px; display: grid; place-items: center; margin-bottom: 17px; }
.feature-icon .icon { width: 20px; height: 20px; }
.feature-icon.blue { background: #edf3f8; color: #739bb7; }
.feature-icon.amber { background: #faf2e3; color: #c3a062; }
.feature-icon.violet { background: #f1eef8; color: #9a89b4; }
.feature-icon.rose { background: #f8efec; color: #bb9387; }
.feature-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; z-index: 1; }
.feature-card p { color: #8a9483; font-size: 12px; line-height: 1.95; max-width: 440px; z-index: 1; }
.feature-index { font-size: 8px; color: #a4af99; letter-spacing: 1.2px; padding-top: 24px; margin-top: auto; }
.phrase-demo { display: flex; align-items: center; gap: 16px; margin-top: 22px; padding: 10px 16px; border: 1px solid #e0e8d8; background: #ffffff85; border-radius: 6px; z-index: 1; }
.old-phrase { color: #a9af9f; font-size: 11px; text-decoration: line-through; }
.new-phrase { color: #648658; font-size: 12px; font-weight: 500; }
.phrase-demo .icon { color: #a9b89b; width: 16px; height: 16px; }
.demo-label { color: #b2bba8; font-size: 8px; }
.steps-section { padding-top: 84px; padding-bottom: 66px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 80px; margin: 42px 44px 0; }
.step { text-align: center; position: relative; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 62px; width: 88px; height: 1px; border-top: 1px dashed #d9e1d1; right: -84px; }
.step-visual { width: 210px; height: 130px; background: #f8faf4; border: 1px solid #edf0e5; border-radius: 10px; margin: 0 auto 24px; position: relative; display: flex; align-items: center; justify-content: center; }
.step-number { position: absolute; font-size: 10px; color: #92a180; top: 9px; left: 12px; letter-spacing: 1px; }
.mini-document { width: 94px; height: 87px; background: #fff; border: 1px solid #dfe7d5; border-radius: 5px; padding: 11px; box-shadow: 0 3px 7px #29451504; transform: rotate(-5deg); text-align: left; }
.mini-document > .icon { color: #b6c6a3; width: 16px; height: 16px; display: block; margin-bottom: 8px; }
.mini-document > span:not(.mini-cursor) { display: block; height: 3px; background: #e6ebdf; margin: 6px 0; width: 100%; }
.mini-document > span:nth-child(4) { width: 55%; }
.mini-document .mini-cursor { width: 1px; height: 8px; background: #7aa164; display: block; position: absolute; right: 28px; bottom: 20px; }
.mini-options { width: 134px; display: flex; flex-direction: column; gap: 8px; }
.mini-options > span { display: flex; justify-content: space-between; align-items: center; font-size: 10px; color: #6c885a; padding: 7px 12px; background: #fff; border: 1px solid #d5e3c9; border-radius: 5px; }
.mini-options > span + span { color: #9da78f; border-color: #e4e9dc; }
.mini-options .icon { width: 13px; height: 13px; }
.mini-result { width: 111px; height: 92px; background: #fff; border: 1px solid #dce7cf; border-radius: 5px; transform: rotate(4deg); padding: 14px; position: relative; }
.mini-check { position: absolute; right: -8px; top: -8px; display: grid; place-items: center; width: 25px; height: 25px; background: #c7dbb5; border: 3px solid #f8faf4; color: #618946; border-radius: 50%; }
.mini-check .icon { width: 12px; height: 12px; }
.mini-result > span:not(.mini-check) { height: 4px; width: 100%; background: #e6efdf; display: block; margin: 8px 0; }
.mini-result > span:nth-child(3) { width: 70%; }
.mini-result > div { font-size: 8px; color: #8ca276; margin-top: 13px; }
.mini-result > div .icon { width: 10px; height: 10px; margin-right: 3px; }
.step h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.step p { font-size: 11px; line-height: 1.9; color: #96a08c; }
.center-action { text-align: center; margin-top: 36px; }
.center-action .button { font-size: 12px; padding: 10px 20px; border-color: #dbe4d2; color: #628552; }
.scenes-section { background: #f7f9f3; padding: 66px 0; }
.scenes-inner { display: grid; grid-template-columns: .85fr 1.4fr; gap: 65px; align-items: center; }
.scenes-copy h2 { font-size: 26px; line-height: 1.7; }
.scenes-copy p { color: #8e9a82; font-size: 12px; line-height: 1.9; margin-top: 18px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--green); font-size: 12px; margin-top: 24px; }
.text-link .icon { width: 16px; height: 16px; transition: transform .2s; }
.text-link:hover .icon { transform: translateX(4px); }
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.scene-card { background: #fff; border: 1px solid #e4eadc; border-radius: 8px; padding: 23px; text-align: left; transition: box-shadow .2s, transform .2s, border-color .2s; }
.scene-card:hover { transform: translateY(-3px); border-color: #c4d4b7; box-shadow: 0 6px 20px #4d68300a; }
.scene-card > .icon { color: #839f70; width: 22px; height: 22px; margin-bottom: 12px; }
.scene-card h3 { font-size: 14px; font-weight: 600; }
.scene-card p { color: #97a08e; font-size: 10px; margin-top: 6px; }
.scene-card > span { display: flex; gap: 5px; align-items: center; justify-content: space-between; color: #a7b099; font-size: 9px; padding-top: 17px; border-top: 1px solid #f0f2ea; margin-top: 15px; }
.scene-card > span .icon { width: 13px; height: 13px; color: #a1b291; }
.faq-section { padding: 84px 0 88px; }
.faq-inner { display: grid; grid-template-columns: .85fr 1.4fr; gap: 65px; }
.faq-heading h2 { font-size: 27px; }
.faq-heading > p { color: #919d86; font-size: 12px; margin-top: 13px; }
.faq-note { display: flex; align-items: center; gap: 8px; color: #a0ad93; font-size: 10px; margin-top: 28px; }
.faq-note .icon { width: 17px; height: 17px; }
.faq-list details { border-bottom: 1px solid #e7edde; }
.faq-list details:first-child { border-top: 1px solid #e7edde; }
.faq-list summary { list-style: none; font-size: 13px; font-weight: 500; padding: 19px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list details[open] summary { color: var(--green); padding-bottom: 12px; }
.faq-list p { font-size: 11px; color: #929e88; line-height: 2; padding: 0 35px 20px 0; }
.faq-plus { position: relative; width: 14px; height: 14px; flex-shrink: 0; }
.faq-plus::before, .faq-plus::after { content: ""; position: absolute; height: 1px; width: 10px; background: #819672; left: 2px; top: 6px; }
.faq-plus::after { transform: rotate(90deg); transition: transform .2s; }
details[open] .faq-plus::after { transform: rotate(0); }
.final-cta { padding: 0 0 62px; }
.final-cta-inner { position: relative; overflow: hidden; padding: 40px 48px; background: #196a4e; border: 1px solid #236f54; border-radius: 12px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #fff; }
.final-cta-inner > div:first-child, .final-cta-inner > a { z-index: 1; }
.cta-kicker { display: flex; align-items: center; gap: 7px; font-size: 10px; color: #b9d7b9; }
.cta-kicker .icon { width: 17px; height: 17px; }
.final-cta h2 { font-size: 27px; letter-spacing: .3px; font-weight: 550; margin-top: 12px; }
.final-cta p { font-size: 12px; color: #a8caae; margin-top: 10px; }
.button-white { background: #f7faf0; color: #226549; font-size: 13px; border: 1px solid #fcfff6; padding: 14px 21px; }
.button-white:hover:not(:disabled) { background: #e0ecd4; }
.cta-decoration { position: absolute; width: 390px; height: 390px; border: 1px solid #8eb48d20; border-radius: 50%; right: 50px; top: -80px; box-shadow: 0 0 0 38px #88b68d09, 0 0 0 39px #8eb48d18, 0 0 0 78px #88b68d05, 0 0 0 79px #8eb48d10; transform: rotate(20deg); }
.site-footer { background: #fafbf8; border-top: 1px solid #eaf0e3; padding: 36px 0 20px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 27px; }
.footer-top .brand { font-size: 17px; gap: 8px; }
.footer-top .brand-mark { width: 29px; height: 31px; border-radius: 8px 8px 8px 2px; }
.footer-top .brand-mark .icon { width: 21px; height: 21px; }
.footer-top p { font-size: 10px; color: #9ca68e; margin-top: 12px; }
.footer-links { display: flex; gap: 28px; align-items: center; font-size: 11px; color: #8e9b80; }
.site-footer button { border: 0; padding: 0; background: transparent; color: inherit; font-size: inherit; }
.site-footer a:hover, .site-footer button:hover { color: var(--green); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid #e7edde; padding-top: 18px; color: #a5ae98; font-size: 9px; }
.footer-legal { display: flex; align-items: center; gap: 13px; }
.footer-motto { color: #a2ae93; }
.toast { position: fixed; z-index: 60; bottom: 30px; left: 50%; transform: translateX(-50%); border-radius: 8px; background: #244737; color: #fff; padding: 13px 21px; font-size: 13px; box-shadow: 0 8px 30px #15332330; max-width: min(540px, calc(100% - 32px)); width: max-content; text-align: center; }
dialog { padding: 28px; width: min(510px, calc(100% - 32px)); border: 1px solid #dce8d5; border-radius: 14px; color: var(--ink); box-shadow: 0 20px 80px #12322030; }
dialog::backdrop { background: #142c2060; backdrop-filter: blur(4px); }
.dialog-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.dialog-header h2 { font-size: 20px; font-weight: 600; }
#dialog-content { font-size: 13px; color: #72826a; line-height: 1.95; }
#dialog-content p + p { margin-top: 12px; }
#dialog-content code { background: #edf3e8; padding: 2px 5px; border-radius: 4px; font-size: 11px; overflow-wrap: anywhere; }
#dialog-confirm { margin-top: 22px; padding: 9px 20px; font-size: 12px; }

@media (min-width: 1500px) {
  .hero-inner { min-height: 630px; padding-top: 84px; padding-bottom: 90px; }
}
@media (max-width: 1150px) {
  .container { width: calc(100% - 56px); }
  .main-nav { margin-left: 0; gap: 23px; }
  .hero-inner { gap: 15px; min-height: 550px; }
  h1 { font-size: 43px; }
  .hero-visual { transform: scale(.87); transform-origin: left center; width: 500px; margin-right: -65px; }
  .hero-copy { z-index: 4; }
  .hero-actions { gap: 10px; }
  .hero-actions .button { padding: 13px 19px; font-size: 13px; }
  .compatibility { gap: 25px; }
  .compatibility-note { display: none; }
  .steps-grid { gap: 50px; margin-inline: 0; }
  .step:not(:last-child)::after { width: 55px; right: -53px; }
  .scenes-inner, .faq-inner { gap: 35px; }
  .scene-card { padding: 20px; }
  .result-badge { font-size: 8px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 40px); }
  .site-header { height: 70px; }
  .brand { font-size: 18px; }
  .brand-mark { width: 32px; height: 34px; }
  .main-nav { gap: 19px; font-size: 12px; }
  .header-inner { gap: 20px; }
  .header-cta { font-size: 11px; padding: 8px 13px; }
  .hero-inner { min-height: 525px; padding-top: 40px; padding-bottom: 35px; grid-template-columns: 1fr 1fr; }
  h1 { font-size: 36px; }
  .hero-description { font-size: 12px; }
  .eyebrow { font-size: 9px; padding-inline: 9px; gap: 6px; letter-spacing: .2px; }
  .hero-actions .button { font-size: 12px; padding-inline: 15px; }
  .hero-assurances { gap: 11px; font-size: 9px; }
  .hero-visual { transform: scale(.71); margin-right: -145px; }
  .compatibility { gap: 20px; padding-block: 18px; }
  .compatibility-label { font-size: 9px; max-width: 70px; white-space: normal; }
  .model-names { gap: 14px; }
  .model-name { font-size: 15px; }
  .deepseek { font-size: 18px; }
  .claude { font-size: 19px; }
  .qwen { font-size: 13px; }
  .section { padding-block: 60px; }
  .section-heading h2 { font-size: 25px; }
  .editor-settings { padding: 13px 16px; gap: 10px; }
  .setting-label { margin-right: 3px; font-size: 10px; }
  .mode-group { gap: 3px; }
  .mode-button { font-size: 10px; padding-inline: 8px; }
  .strength-control { gap: 6px; font-size: 10px; }
  .strength-control select { font-size: 10px; padding-right: 12px; }
  .panel-heading { padding-inline: 17px; }
  textarea { padding-inline: 17px; }
  .panel-footer { padding-inline: 17px; }
  .result-badge { display: none; }
  .result-note { font-size: 8px; max-width: 170px; }
  .features-grid { gap: 14px; }
  .feature-card { padding: 23px; }
  .feature-card h3 { font-size: 14px; }
  .feature-card p { font-size: 11px; }
  .phrase-demo { gap: 10px; padding-inline: 10px; }
  .demo-label { display: none; }
  .steps-grid { gap: 24px; }
  .step-visual { width: 190px; }
  .step:not(:last-child)::after { width: 30px; right: -28px; }
  .step p { font-size: 10px; }
  .scenes-inner { grid-template-columns: .75fr 1.3fr; gap: 25px; }
  .scenes-copy h2 { font-size: 23px; }
  .scene-card { padding: 17px; }
  .scene-card p { font-size: 9px; }
  .scene-card > span { font-size: 8px; }
  .faq-inner { gap: 35px; }
  .faq-heading h2 { font-size: 24px; }
  .faq-heading > p { font-size: 11px; }
  .final-cta-inner { padding: 32px; }
  .final-cta h2 { font-size: 23px; }
  .button-white { font-size: 12px; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 85px; }
  .container { width: calc(100% - 36px); }
  .site-header { height: 66px; }
  .brand { font-size: 17px; gap: 8px; }
  .brand-light { margin-left: 4px; }
  .brand-mark { width: 30px; height: 32px; border-radius: 9px 9px 9px 2px; }
  .brand-mark .icon { width: 22px; height: 22px; }
  .header-inner { gap: 10px; }
  .header-cta { margin-left: auto; font-size: 10px; padding: 7px 11px; gap: 5px; }
  .header-cta .icon { width: 14px; height: 14px; }
  .menu-button { display: inline-flex; padding: 5px; color: #5d755f; }
  .menu-button .icon { width: 21px; height: 21px; }
  .main-nav { display: none; position: absolute; top: 65px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 20px; box-shadow: 0 8px 18px #1b422810; margin: 0; }
  .main-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
  .main-nav a { padding: 10px 15px; }
  .main-nav a.active::after { display: none; }
  .hero-inner { display: flex; flex-direction: column; padding-top: 43px; padding-bottom: 22px; gap: 18px; }
  .hero-copy { text-align: center; width: 100%; }
  .eyebrow { font-size: 9px; padding: 5px 10px; }
  h1 { font-size: clamp(35px, 8.7vw, 48px); line-height: 1.5; margin-top: 20px; margin-bottom: 15px; letter-spacing: -1px; }
  .hero-description { font-size: 12px; }
  .hero-actions { justify-content: center; gap: 12px; margin-top: 23px; }
  .hero-actions .button { font-size: 12px; padding: 12px 18px; }
  .hero-assurances { justify-content: center; font-size: 9px; gap: 18px; margin-top: 18px; }
  .hero-visual { width: 345px; height: 320px; transform: none; margin: 15px auto 0; }
  .preview-card { width: 290px; border-radius: 9px; padding: 14px 17px; }
  .original-card { top: 14px; left: 9px; }
  .rewritten-card { top: 151px; left: 43px; padding-top: 15px; }
  .preview-header { font-size: 9px; margin-bottom: 9px; }
  .preview-card p { font-size: 9px; line-height: 2; }
  .text-traits { margin-top: 9px; gap: 6px; }
  .text-traits span { font-size: 7px; padding: 1px 4px; }
  .muted-label, .natural-label { font-size: 7px; }
  .natural-label .icon { width: 9px; height: 9px; }
  .rewritten-card p { font-size: 9px; line-height: 2.15; }
  .rewritten-bottom { font-size: 6px; margin-top: 8px; padding-top: 8px; }
  .rewritten-bottom .icon { width: 9px; height: 9px; }
  .transform-badge { width: 34px; height: 34px; border-width: 4px; top: 135px; left: 175px; }
  .transform-badge .icon { width: 15px; height: 15px; }
  .tag-original { top: -7px; right: 8px; font-size: 8px; padding: 6px 9px; }
  .tag-original .icon { width: 11px; height: 11px; }
  .tag-natural { top: 286px; left: 2px; padding: 7px 9px; gap: 6px; }
  .tag-icon { width: 26px; height: 26px; border-radius: 6px; }
  .tag-icon .icon { width: 16px; height: 16px; }
  .tag-natural strong { font-size: 8px; }
  .tag-natural small { font-size: 6px; }
  .visual-caption { font-size: 5px; letter-spacing: 1px; bottom: -9px; right: 4px; }
  .orbit { width: 310px; height: 310px; top: 0; left: 10px; }
  .orbit-two { width: 265px; height: 265px; top: 25px; left: 35px; }
  .compatibility { display: block; padding: 20px 0; margin-top: 15px; text-align: center; }
  .compatibility-label { max-width: none; font-size: 8px; letter-spacing: 1px; }
  .model-names { justify-content: center; flex-wrap: wrap; column-gap: 23px; row-gap: 7px; margin-top: 12px; }
  .model-name { font-size: 14px; }
  .model-symbol { font-size: 19px; }
  .deepseek, .claude { font-size: 17px; }
  .claude > span { font-size: 19px; }
  .qwen { font-size: 12px; }
  .compatibility-note { display: block; font-size: 7px; max-width: none; margin-top: 10px; }
  .section { padding-block: 46px; }
  .section-kicker { font-size: 8px; letter-spacing: 1.7px; margin-bottom: 9px; }
  .section-heading h2 { font-size: 23px; }
  .section-heading p { font-size: 11px; margin-top: 8px; }
  .workspace-heading { display: block; margin-bottom: 19px; }
  .workspace-heading h2 { font-size: 22px; }
  .privacy-note { margin-top: 14px; margin-bottom: 0; font-size: 9px; }
  .editor-shell { border-radius: 9px; }
  .editor-settings { flex-wrap: wrap; padding: 13px 14px; gap: 12px; }
  .mode-group { width: 100%; justify-content: space-between; gap: 2px; }
  .setting-label { font-size: 9px; gap: 4px; }
  .setting-label .icon { width: 12px; height: 12px; }
  .mode-button { font-size: 9px; padding: 5px 6px; gap: 4px; }
  .mode-button .icon { width: 12px; height: 12px; }
  .strength-control { font-size: 10px; gap: 13px; }
  .strength-control select { padding-block: 4px; }
  .editor-panels { grid-template-columns: 1fr; }
  .input-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .panel-heading { padding: 13px 16px 7px; min-height: 47px; }
  .panel-heading label { font-size: 11px; }
  .panel-heading .text-button { font-size: 10px; }
  textarea { min-height: 215px; padding: 12px 16px; font-size: 12px; }
  textarea::placeholder { font-size: 11px; }
  .panel-footer { padding: 8px 16px; min-height: 43px; }
  .output-body { min-height: 240px; }
  .empty-result, .loading-result { min-height: 240px; }
  .result-badge { display: inline; font-size: 8px; }
  .result-note { max-width: none; }
  .editor-bottom { flex-direction: column-reverse; align-items: stretch; padding: 14px 16px; gap: 11px; }
  .rewrite-button { width: 100%; font-size: 12px; }
  .editor-bottom > div { justify-content: center; font-size: 9px; }
  .editor-disclaimer { font-size: 9px; line-height: 1.8; padding: 0 5px; margin-top: 12px; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }
  .feature-card { padding: 19px 16px; }
  .feature-large { grid-column: span 2; padding: 23px; }
  .feature-icon { width: 33px; height: 33px; margin-bottom: 13px; }
  .feature-icon .icon { width: 18px; height: 18px; }
  .feature-card h3 { font-size: 13px; line-height: 1.8; }
  .feature-card p { font-size: 10px; }
  .feature-index { font-size: 7px; padding-top: 18px; }
  .phrase-demo { gap: 11px; margin-top: 18px; width: 100%; justify-content: space-between; }
  .old-phrase { font-size: 9px; }
  .new-phrase { font-size: 11px; }
  .steps-grid { grid-template-columns: 1fr; gap: 25px; margin-top: 30px; }
  .step { display: grid; grid-template-columns: 130px 1fr; column-gap: 20px; text-align: left; align-items: center; }
  .step-visual { grid-row: span 2; width: 130px; height: 119px; margin: 0; }
  .step-number { top: 4px; left: 7px; font-size: 8px; }
  .step h3 { align-self: end; font-size: 14px; margin-bottom: 9px; }
  .step p { align-self: start; font-size: 10px; }
  .step p br { display: none; }
  .mini-options { width: 103px; }
  .mini-options > span { font-size: 8px; padding: 6px 8px; }
  .mini-document { width: 80px; height: 82px; }
  .mini-result { width: 86px; height: 88px; padding: 12px; }
  .step:not(:last-child)::after { display: none; }
  .center-action { margin-top: 28px; }
  .scenes-inner { grid-template-columns: 1fr; gap: 28px; }
  .scenes-copy { text-align: center; }
  .scenes-copy h2 { font-size: 24px; }
  .scenes-copy p { font-size: 11px; margin-top: 12px; }
  .text-link { margin-top: 16px; font-size: 11px; }
  .scene-grid { gap: 12px; }
  .scene-card { padding: 17px 14px; }
  .scene-card h3 { font-size: 13px; }
  .scene-card p { font-size: 9px; }
  .scene-card > span { font-size: 8px; line-height: 1.8; }
  .scene-card > span .icon { width: 12px; height: 12px; }
  .faq-inner { grid-template-columns: 1fr; gap: 26px; }
  .faq-heading { text-align: center; }
  .faq-heading h2 { font-size: 24px; }
  .faq-heading > p { margin-top: 8px; }
  .faq-note { display: none; }
  .faq-list summary { font-size: 12px; padding-block: 17px; }
  .faq-list p { font-size: 11px; padding-right: 20px; }
  .final-cta { padding-bottom: 38px; }
  .final-cta-inner { flex-direction: column; text-align: center; gap: 22px; padding: 29px 20px; border-radius: 9px; }
  .cta-kicker { justify-content: center; font-size: 9px; }
  .final-cta h2 { font-size: 23px; }
  .final-cta p { font-size: 11px; }
  .button-white { font-size: 11px; padding: 11px 20px; }
  .footer-top { flex-direction: column; text-align: center; gap: 23px; padding-bottom: 23px; }
  .footer-top .brand { font-size: 16px; }
  .footer-links { gap: 24px; font-size: 10px; }
  .footer-bottom { flex-direction: column; gap: 8px; padding-top: 17px; font-size: 8px; }
  .footer-motto { display: none; }
  .toast { bottom: 18px; font-size: 12px; }
}
@media (max-width: 370px) {
  .container { width: calc(100% - 28px); }
  .hero-visual { margin-inline: -8px; transform: scale(.91); transform-origin: top center; margin-bottom: -28px; }
  .brand { font-size: 15px; }
  .header-cta { padding-inline: 8px; }
  .hero-actions .button { padding-inline: 14px; }
  .mode-button { padding-inline: 4px; gap: 3px; font-size: 8px; }
  .setting-label { font-size: 8px; }
  .feature-card { padding: 16px 13px; }
  .feature-card h3 { font-size: 12px; }
  .step { column-gap: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}