:root {
  --ink: #11110f;
  --paper: #f4f2e9;
  --white: #fffefa;
  --lime: #d8ff3e;
  --coral: #ff644d;
  --blue: #58a6ff;
  --line: 2px solid var(--ink);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: clip; background: var(--paper); color: var(--ink); font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 21px; font-weight: 950; }
.brand > span:last-child > span { color: #8baa00; margin: 0 3px; }
.brand-mark { width: 42px; height: 42px; display: block; flex: none; overflow: hidden; background: var(--lime); transform: rotate(-3deg); }
.site-header { height: 76px; padding: 0 max(28px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: var(--line); background: rgba(244,242,233,.94); position: sticky; top: 0; z-index: 30; backdrop-filter: blur(14px); }
.header-cta { min-height: 42px; padding: 0 18px; border: var(--line); background: var(--lime); box-shadow: 4px 4px 0 var(--ink); font-weight: 900; cursor: pointer; white-space: nowrap; }
.header-cta:active, .primary-button:active, .round-button:active { transform: translate(3px,3px); box-shadow: 1px 1px 0 var(--ink); }

.hero { max-width: var(--max); margin: 0 auto; padding: 64px 28px 72px; position: relative; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(400px, .97fr); align-items: center; gap: 72px; }
.hero-copy { position: relative; z-index: 2; order: -1; container-type: inline-size; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; font: 800 12px/1.2 Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow i { width: 30px; height: 4px; background: var(--coral); display: inline-block; }
.hero h1 { margin: 23px 0 23px; font-size: clamp(40px, 14.2cqi, 76px); line-height: .98; letter-spacing: 0; font-weight: 950; }
.hero h1 span { white-space: nowrap; }
.hero-copy > p { max-width: 590px; margin: 0; color: #595850; font-size: 18px; line-height: 1.8; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 30px; }
.ghost-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 900; color: var(--ink); }
.ghost-link span { font-size: 18px; }
.primary-button { min-height: 58px; padding: 0 25px; border: var(--line); background: var(--lime); box-shadow: 5px 5px 0 var(--ink); font-weight: 900; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 25px; }
.primary-button span:last-child { font-size: 22px; }
.hero-proof { margin-top: 38px; padding-top: 22px; max-width: 560px; display: flex; gap: 0; border-top: 1px solid #c8c5b9; }
.hero-proof span { padding: 0 22px; font-size: 13px; color: #67665e; border-right: 1px solid #c8c5b9; }
.hero-proof span:first-child { padding-left: 0; }
.hero-proof span:last-child { border: 0; }
.hero-proof b { color: var(--ink); font-size: 22px; margin-right: 4px; }
.scroll-cue { display: none; }

.hero-scene { min-height: 585px; position: relative; display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 1fr .68fr; transform: rotate(1deg); filter: drop-shadow(12px 12px 0 var(--ink)); }
.scene-frame { overflow: hidden; border: 3px solid var(--ink); position: relative; background: var(--ink); }
.scene-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.frame-one { grid-row: span 2; }
.frame-one img { object-position: 62% 28%; }
.frame-two img { object-position: 82% 42%; }
.frame-three img { object-position: 32% 45%; }
.panel-no { position: absolute; z-index: 4; right: 12px; bottom: 10px; color: var(--lime); font: 950 44px/1 Arial Black, sans-serif; -webkit-text-stroke: 1.5px var(--ink); }
.frame-two .panel-no { color: var(--white); }
.frame-three .panel-no { color: var(--coral); }
.speech { width: 195px; padding: 15px 16px; border: 3px solid var(--ink); background: var(--white); border-radius: 20px 20px 20px 3px; box-shadow: 4px 4px 0 var(--ink); position: absolute; z-index: 5; top: 25px; left: 20px; margin: 0; font: 800 18px/1.35 Arial, sans-serif; }
mark { background: var(--lime); padding: 0 3px; }
.sfx { position: absolute; left: 10px; top: 14px; z-index: 2; font: italic 950 31px/1 Arial Black, sans-serif; color: white; -webkit-text-stroke: 1.5px var(--ink); transform: rotate(-8deg); }
.speech-dark { width: auto; right: 15px; left: 15px; top: 18px; background: var(--ink); color: var(--white); border-radius: 0; box-shadow: none; font-family: inherit; font-size: 16px; }
.word-chip { position: absolute; left: 15px; bottom: 18px; padding: 8px 10px; background: var(--lime); border: var(--line); font-size: 12px; font-weight: 900; transform: rotate(-2deg); }

.problem-band { min-height: 270px; padding: 52px max(28px, calc((100vw - var(--max)) / 2)); display: flex; justify-content: space-between; align-items: center; background: var(--ink); color: var(--white); }
.problem-band > p { margin: 0; max-width: 880px; font-size: clamp(32px, 4vw, 60px); line-height: 1.18; font-weight: 900; }
.problem-band em { color: var(--lime); font-style: normal; }
.crossed-list { min-width: 260px; display: grid; gap: 13px; color: #96958d; font-size: 14px; }
.crossed-list span { text-decoration: line-through; text-decoration-color: var(--coral); text-decoration-thickness: 2px; }

.exam-section { max-width: var(--max); margin: 0 auto; padding: 96px 28px 24px; scroll-margin-top: 90px; }
.exam-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 42px; }
.exam-card { min-height: 318px; padding: 22px; border: 3px solid var(--ink); display: flex; flex-direction: column; align-items: stretch; text-align: left; cursor: pointer; box-shadow: 4px 4px 0 transparent; transition: transform .15s, box-shadow .15s, background .15s, color .15s; }
.exam-card:hover { transform: translate(-3px, -3px); box-shadow: 4px 4px 0 var(--ink); }
.exam-card-cet4 { background: var(--lime); }
.exam-card-cet6 { background: var(--white); }
.exam-card-ielts { background: var(--coral); }
.exam-card-toefl { background: var(--blue); }
.exam-card.active { background: var(--ink); color: var(--white); box-shadow: 4px 4px 0 var(--lime); }
.exam-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.exam-card-top span { width: 42px; height: 42px; display: grid; place-items: center; border: var(--line); background: var(--white); color: var(--ink); font: 900 15px/1 Arial, sans-serif; }
.exam-card-top small { font: 800 11px/1 Arial, sans-serif; letter-spacing: .12em; }
.exam-card h3 { margin: 28px 0 10px; font-size: 36px; line-height: 1; }
.exam-card p { margin: 0; color: inherit; font-size: 14px; line-height: 1.6; opacity: .88; }
.exam-card-meta { margin-top: auto; padding-top: 22px; font-size: 12px; font-weight: 800; }
.exam-card-meta b { font-size: 18px; }
.exam-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.exam-chips span { padding: 5px 8px; border: 1.5px solid var(--ink); background: var(--white); color: var(--ink); font-size: 11px; font-weight: 800; }
.exam-card.active .exam-chips span { background: var(--lime); }
.exam-filter-bar { margin: 28px 0 -18px; padding: 12px 14px; border: 2px solid var(--ink); background: var(--lime); display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 14px; font-weight: 800; }
.exam-filter-bar[hidden] { display: none; }
.exam-filter-bar button { border: 0; background: transparent; font: inherit; font-weight: 900; text-decoration: underline; cursor: pointer; }
.exam-mini-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.exam-mini-pills button { padding: 8px 10px; border: 2px solid var(--ink); background: var(--white); font-size: 13px; font-weight: 850; cursor: pointer; }
.exam-mini-pills button.active { background: var(--ink); color: var(--white); }

.stories-section { max-width: var(--max); margin: 0 auto; padding: 88px 28px 120px; scroll-margin-top: 90px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; }
.section-heading h2, .method-section h2, .final-cta h2 { margin: 16px 0 0; font-size: clamp(42px, 5vw, 70px); line-height: 1.05; font-weight: 950; }
.section-heading > p { max-width: 340px; margin: 0 0 7px; color: #68675f; line-height: 1.6; }
.stories-section .heading-note { max-width: none; white-space: nowrap; }
.genre-tabs { margin: 47px 0 30px; display: flex; gap: 10px; flex-wrap: wrap; }
.genre-tabs button { min-width: 72px; min-height: 37px; padding: 0 15px; border: 1.5px solid var(--ink); background: transparent; font-size: 13px; font-weight: 800; cursor: pointer; }
.genre-tabs button.active { background: var(--ink); color: var(--white); }
.story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 42px 24px; }
.story-card { min-width: 0; cursor: pointer; transition: opacity .2s, transform .2s; }
.story-card.hidden { display: none; }
.story-card.featured { grid-column: span 2; }
.story-cover { height: 350px; border: 3px solid var(--ink); overflow: hidden; position: relative; background: var(--ink); }
.featured .story-cover { height: 510px; }
.story-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.05) 40%, rgba(0,0,0,.55) 100%); pointer-events: none; }
.story-cover img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; display: block; transition: transform .45s; }
.featured .story-cover img { object-position: center 32%; }
.story-card:hover img { transform: scale(1.035); }

.story-index, .story-tag { position: absolute; z-index: 4; top: 16px; border: var(--line); font-weight: 900; }
.story-index { left: 16px; width: 48px; height: 48px; display: grid; place-items: center; background: var(--lime); font: 900 20px/1 Arial, sans-serif; }
.story-tag { right: 16px; padding: 8px 11px; background: var(--white); font-size: 12px; transform: rotate(2deg); }
.cover-title { position: absolute; z-index: 4; left: 16px; right: 16px; bottom: 16px; padding: 12px 16px; background: var(--ink); color: var(--white); }
.cover-title small { display: block; font: 800 11px/1 Arial, sans-serif; letter-spacing: .13em; }
.cover-title strong { display: block; margin-top: 8px; font-size: clamp(28px, 3.4vw, 48px); line-height: 1; }
.story-info { padding: 17px 2px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.story-info h3 { margin: 0 0 7px; font-size: 22px; }
.story-info p { margin: 0; color: #77756d; font-size: 13px; }
.round-button { flex: 0 0 auto; width: 48px; height: 48px; border: var(--line); border-radius: 50%; background: var(--lime); box-shadow: 3px 3px 0 var(--ink); font-size: 23px; cursor: pointer; }

.method-section { padding: 105px max(28px, calc((100vw - var(--max)) / 2)); background: var(--ink); color: var(--white); display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; align-items: center; }
.eyebrow.light i { background: var(--lime); }
.method-copy > p { max-width: 460px; color: #b4b2a9; line-height: 1.75; font-size: 16px; margin: 26px 0 32px; }
.inverse-button { min-height: 52px; padding: 0 20px; border: 2px solid var(--lime); background: transparent; color: var(--lime); font-weight: 900; cursor: pointer; }
.learning-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 2px solid var(--white); }
.learning-strip article { min-height: 350px; padding: 24px 20px; border-right: 2px solid var(--white); display: flex; flex-direction: column; }
.learning-strip article:last-child { border: 0; }
.learning-strip article > span { color: var(--lime); font: 800 11px/1 Arial, sans-serif; letter-spacing: .12em; }
.learning-strip article > b { margin-top: 26px; font-size: 21px; }
.learning-strip article > p { color: #a9a79f; font-size: 13px; line-height: 1.6; }
.learning-strip em { margin-top: auto; min-height: 115px; padding: 16px; background: var(--white); color: var(--ink); font-style: normal; font-size: 14px; line-height: 1.45; display: flex; align-items: center; }
.learning-strip .vocab-card { flex-direction: column; justify-content: center; align-items: flex-start; gap: 4px; }
.learning-strip .vocab-card span,
.learning-strip .vocab-card strong { display: block; white-space: nowrap; }
.learning-strip .vocab-card span:first-child { color: #6a6860; }
.learning-strip .vocab-card strong { font-size: 18px; }
.learning-strip mark { color: var(--ink); }

.library-section { max-width: var(--max); margin: 0 auto; padding: 115px 28px 125px; }
.library-heading { align-items: flex-start; }
.library-heading > p { margin-top: 48px; }
.library-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 55px; }
.library-feature { min-height: 360px; padding: 23px; border: 3px solid var(--ink); display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.library-feature-languages { background: var(--lime); }
.library-feature-levels { background: var(--coral); }
.library-feature-genres { background: var(--blue); }
.library-icon { display: inline-grid; place-items: center; width: 45px; height: 45px; border: var(--line); background: var(--white); font: 900 16px/1 Arial, sans-serif; }
.library-feature h3 { margin: 28px 0 8px; font-size: 24px; line-height: 1.1; }
.library-feature p { margin: 0; max-width: 300px; font-size: 14px; line-height: 1.6; }
.language-pills { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.language-pills > * { padding: 8px 10px; border: 2px solid var(--ink); background: var(--white); font-size: 11px; }
.level-road { display: flex; align-items: center; gap: 5px; font: 900 12px/1 Arial, sans-serif; }
.level-road span { width: 31px; height: 31px; display: grid; place-items: center; border: 2px solid var(--ink); background: var(--white); }
.level-road span:nth-of-type(1), .level-road span:nth-of-type(2) { background: var(--lime); }
.level-road i { width: 16px; height: 2px; background: var(--ink); }
.genre-cloud { min-height: 95px; display: flex; align-content: flex-end; flex-wrap: wrap; gap: 8px; }
.genre-cloud span { padding: 8px 10px; border: 2px solid var(--ink); background: var(--white); font-size: 13px; font-weight: 850; transform: rotate(-2deg); }
.genre-cloud span:nth-child(2n) { transform: rotate(2deg); }

.faq-section { padding: 120px max(28px, calc((100vw - var(--max)) / 2)) 125px; background: var(--ink); color: var(--white); display: grid; grid-template-columns: .8fr 1.2fr; gap: 95px; align-items: center; }
.faq-section .section-heading { container-type: inline-size; min-width: 0; align-items: flex-start; }
.faq-section h2 { font-size: clamp(34px, 12cqi, 62px); }
.faq-section h2 span { white-space: nowrap; }
.faq-list { border-top: 2px solid var(--white); }
.faq-list details { border-bottom: 2px solid var(--white); }
.faq-list summary { min-height: 75px; padding: 0 4px; display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 850; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--lime); font-size: 25px; font-weight: 400; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 650px; margin: -4px 45px 23px 4px; color: #a9a79d; font-size: 14px; line-height: 1.7; }

.final-cta { min-height: 610px; padding: 110px 28px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.final-cta::before, .final-cta::after { content: ""; position: absolute; width: 230px; height: 230px; border: 3px solid var(--ink); transform: rotate(22deg); }
.final-cta::before { left: -150px; top: 70px; background: var(--coral); }
.final-cta::after { right: -150px; bottom: 30px; background: var(--blue); }
.final-cta .primary-button { margin-top: 28px; }

footer { min-height: 120px; padding: 35px max(28px, calc((100vw - var(--max)) / 2)); border-top: var(--line); display: flex; justify-content: space-between; align-items: center; gap: 30px; color: #737168; font-size: 12px; }
footer p { margin: 0; }
.footer-brand { color: var(--ink); }
.footer-brand .brand-mark { width: 36px; height: 36px; }
.mobile-bar { display: none; }

.modal-shell, .preview-drawer { position: fixed; inset: 0; z-index: 80; visibility: hidden; opacity: 0; transition: opacity .2s, visibility .2s; }
.modal-shell.open, .preview-drawer.open { visibility: visible; opacity: 1; }
.modal-backdrop, .preview-backdrop { position: absolute; inset: 0; background: rgba(17,17,15,.72); backdrop-filter: blur(4px); }
.modal { width: min(500px, calc(100vw - 32px)); max-height: calc(100svh - 30px); overflow-y: auto; padding: 38px 38px 32px; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-48%); background: var(--white); border: 3px solid var(--ink); box-shadow: 10px 10px 0 var(--ink); transition: transform .2s; }
.modal-shell.open .modal { transform: translate(-50%,-50%); }
.icon-close { width: 38px; height: 38px; padding: 0; border: var(--line); border-radius: 50%; background: var(--white); position: absolute; top: 17px; right: 17px; display: grid; place-items: center; font-size: 22px; line-height: 1; cursor: pointer; }
.modal-kicker { color: #77756e; font: 800 11px/1 Arial, sans-serif; letter-spacing: .12em; }
.modal h2 { margin: 19px 0 12px; font-size: 36px; line-height: 1.12; }
.modal-intro, .notify-modal > p, .success-modal > p { color: #69675f; line-height: 1.65; font-size: 14px; }
form label:not(.consent) { display: block; margin-top: 17px; font-size: 13px; font-weight: 800; }
#auth-form { margin-top: 22px; }
form input:not([type="checkbox"]) { width: 100%; height: 50px; margin-top: 8px; padding: 0 13px; border: 2px solid var(--ink); border-radius: 0; background: #f8f7f1; outline: none; }
form input:focus { box-shadow: 4px 4px 0 var(--lime); }
.full { width: 100%; }
form .full { margin-top: 12px; }
.form-error { min-height: 19px; margin: 9px 0 0; color: #c72f23; font-size: 12px; }
.security-note { display: block; margin-top: 20px; color: #96938a; line-height: 1.5; text-align: center; }
.status-stamp { display: inline-block; margin-top: 3px; padding: 8px 12px; border: var(--line); background: var(--coral); color: var(--white); font-weight: 900; transform: rotate(-3deg); }
.progress-visual { height: 16px; margin: 25px 0; display: flex; gap: 6px; }
.progress-visual span { flex: 1; border: 2px solid var(--ink); background: var(--lime); }
.progress-visual span:nth-child(n+4) { background: transparent; }
.consent { margin-top: 16px; display: flex; align-items: flex-start; gap: 9px; color: #65635c; font-size: 12px; line-height: 1.5; cursor: pointer; }
.consent input { width: 17px; height: 17px; accent-color: var(--ink); }
.skip-button { width: 100%; margin-top: 19px; border: 0; background: transparent; color: #7d7a72; text-decoration: underline; cursor: pointer; }
.success-modal { text-align: center; }
.success-check { width: 82px; height: 82px; margin: 0 auto 24px; display: grid; place-items: center; border: 3px solid var(--ink); border-radius: 50%; background: var(--lime); box-shadow: 5px 5px 0 var(--ink); font-size: 42px; font-weight: 950; }
.success-modal > p:not(.eyebrow) { max-width: 400px; margin: 0 auto; line-height: 1.8; text-align: left; }
.success-modal blockquote { margin: 28px 0; padding: 20px; border-top: var(--line); border-bottom: var(--line); font-size: 16px; font-weight: 800; }

.preview-panel { width: min(540px, 100vw); height: 100%; padding: 52px 0 0; position: absolute; top: 0; right: 0; overflow: hidden; display: flex; flex-direction: column; background: var(--paper); border-left: 3px solid var(--ink); transform: translateX(100%); transition: transform .3s ease; }
.preview-drawer.open .preview-panel { transform: translateX(0); }
.preview-scroll { flex: 1; min-height: 0; overflow-y: auto; padding: 0 38px 32px; }
.preview-panel h2 { margin: 18px 0 10px; font-size: 34px; }
.preview-hint { margin: 0 0 22px; color: #7a786f; font-size: 13px; }
.word-mark {
  appearance: none;
  -webkit-appearance: none;
  display: inline;
  margin: 0;
  padding: 0 3px;
  border: 0;
  border-radius: 0;
  background: var(--lime);
  color: inherit;
  font: inherit;
  font-weight: 900;
  line-height: inherit;
  cursor: pointer;
  box-shadow: inset 0 -2px 0 rgba(17,17,15,.18);
}
.word-mark:hover,
.word-mark.active { background: var(--ink); color: var(--lime); }
.word-layer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  place-items: center;
  padding: 24px 16px;
}
.word-layer.open { display: grid; }
.word-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17,17,15,.55);
  backdrop-filter: blur(3px);
}
.word-sheet {
  position: relative;
  z-index: 1;
  width: min(420px, calc(100vw - 32px));
  padding: 28px 24px 24px;
  background: var(--white);
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--ink);
}
.word-sheet-close {
  width: 32px;
  height: 32px;
  padding: 0;
  border: var(--line);
  border-radius: 50%;
  background: var(--white);
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.word-sheet-top { padding-right: 40px; }
.word-sheet-heading { display: flex; align-items: center; gap: 10px; min-width: 0; }
.word-sheet-word { display: block; font-size: 28px; line-height: 1.1; font-weight: 950; }
.word-sheet-phonetic { display: block; margin-top: 6px; color: #6f6d65; font-size: 14px; }
.word-sheet-play {
  flex: none;
  width: 34px;
  height: 34px;
  padding: 0;
  border: var(--line);
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 2px 2px 0 var(--ink);
  font-size: 13px;
  cursor: pointer;
}
.word-sheet-play:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.word-sheet-meaning { display: flex; align-items: center; gap: 8px; margin: 16px 0 0; font-size: 15px; font-weight: 800; }
.word-sheet-pos { padding: 3px 7px; background: var(--ink); color: var(--white); font-size: 11px; font-weight: 800; }
.mini-comic { display: grid; gap: 12px; margin-bottom: 28px; }
.mini-panel { height: 228px; border: 3px solid var(--ink); position: relative; overflow: hidden; background: var(--ink); }
.mini-panel img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mini-panel::after { content: ""; position: absolute; inset: auto 0 0; height: 58%; background: linear-gradient(180deg, transparent, rgba(17,17,15,.55)); pointer-events: none; }
.mini-no { position: absolute; z-index: 3; top: 10px; right: 12px; color: var(--lime); font: 900 25px/1 Arial Black, sans-serif; -webkit-text-stroke: 1.2px var(--ink); }
.mini-sfx { position: absolute; z-index: 3; left: 14px; top: 16px; color: var(--white); font: italic 900 26px/1 Arial Black, sans-serif; -webkit-text-stroke: 1.2px var(--ink); transform: rotate(-8deg); }
.mini-caption { position: absolute; z-index: 3; left: 12px; right: 12px; bottom: 12px; padding: 10px 12px; border: 2px solid var(--ink); background: var(--white); }
.mini-en { margin: 0; font-size: 14px; font-weight: 800; line-height: 1.45; }
.mini-zh { margin: 5px 0 0; color: #5f5d56; font-size: 12px; line-height: 1.5; font-weight: 650; }
.mini-caption mark,
.mini-caption .word-mark { background: var(--lime); padding: 0 3px; font-weight: 900; }
.mini-caption .word-mark:hover,
.mini-caption .word-mark.active { background: var(--ink); color: var(--lime); }
.toast { position: fixed; z-index: 120; left: 50%; bottom: 30px; transform: translate(-50%, 20px); padding: 12px 17px; background: var(--ink); color: var(--white); border: 2px solid var(--lime); opacity: 0; pointer-events: none; transition: .2s; font-size: 13px; }
.toast.show { opacity: 1; transform: translate(-50%,0); }
.mobile-only { display: none; }
body.modal-open { overflow: hidden; }

@media (max-width: 920px) {
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 55px; padding-top: 55px; }
  .hero-copy { order: 0; }
  .hero-scene { min-height: 0; height: 520px; max-width: 560px; order: 1; }
  .problem-band { align-items: flex-start; flex-direction: column; gap: 35px; }
  .crossed-list { min-width: 0; }
  .method-section { grid-template-columns: 1fr; }
  .exam-grid, .library-grid { grid-template-columns: 1fr 1fr; }
  .faq-section { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 650px) {
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .site-header { height: 62px; padding: 0 16px; }
  .brand { font-size: 18px; }
  .brand-mark { width: 36px; height: 36px; }
  .header-cta { min-height: 38px; padding: 0 13px; font-size: 13px; }

  .hero { padding: 34px 18px 88px; gap: 36px; }
  .hero h1 { margin: 17px 0 18px; font-size: clamp(32px, 12.4cqi, 46px); line-height: 1.22; }
  .hero-copy > p { font-size: 15px; line-height: 1.7; }
  .hero-actions { margin-top: 26px; align-items: stretch; flex-direction: column; gap: 18px; }
  .primary-button { min-height: 54px; }
  .hero-actions .primary-button, .final-cta .primary-button { width: 100%; }
  .ghost-link { justify-content: center; min-height: 44px; }
  .hero-proof { margin-top: 28px; padding-top: 18px; max-width: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-proof span { padding: 0 8px; font-size: 11px; line-height: 1.35; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 4px; }
  .hero-proof span:first-child { padding-left: 8px; }
  .hero-proof b { display: block; margin: 0; font-size: 22px; line-height: 1; }
  .hero-scene { height: 396px; grid-template-columns: 1.06fr .94fr; transform: rotate(.6deg); filter: drop-shadow(7px 7px 0 var(--ink)); }
  .frame-one img { object-position: 58% 24%; }
  .speech { width: 148px; top: 14px; left: 12px; padding: 11px 12px; font-size: 13px; }
  .speech-dark { width: auto; right: 12px; left: 12px; top: 14px; font-size: 12px; }
  .sfx { font-size: 20px; }
  .panel-no { font-size: 34px; }
  .word-chip, .speech-dark { display: none; }

  .problem-band { min-height: 0; padding: 56px 18px; gap: 26px; }
  .problem-band > p { font-size: clamp(25px, 8vw, 34px); line-height: 1.22; }
  .crossed-list { gap: 10px; font-size: 13px; }
  .mobile-only { display: block; }

  .section-heading { align-items: flex-start; flex-direction: column; }
  .section-heading h2, .method-section h2, .final-cta h2, .faq-section h2 { font-size: clamp(28px, 8.4vw, 38px); line-height: 1.22; }
  .section-heading > p { font-size: 14px; }
  .modal h2 { line-height: 1.22; }
  .stories-section .heading-note { white-space: normal; }

  .exam-section { padding: 56px 18px 8px; }
  .exam-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }
  .exam-card { min-height: 0; padding: 16px; }
  .exam-card h3 { margin: 18px 0 8px; font-size: 26px; }
  .exam-card p { font-size: 12px; }
  .exam-card-top span { width: 34px; height: 34px; font-size: 13px; }
  .exam-filter-bar { margin: 18px -18px 0; padding: 12px 18px; border-left: 0; border-right: 0; font-size: 13px; }
  .stories-section { padding: 64px 18px 72px; }
  .genre-tabs { margin: 28px -18px 22px; padding: 2px 18px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .genre-tabs::-webkit-scrollbar { display: none; }
  .genre-tabs button { flex: 0 0 auto; min-height: 42px; }
  .story-grid { grid-template-columns: 1fr; gap: 30px; }
  .story-card.featured { grid-column: auto; }
  .story-cover, .featured .story-cover { height: 232px; }
  .story-cover img, .featured .story-cover img { object-position: center 32%; }
  .story-index { top: 12px; left: 12px; width: 40px; height: 40px; font-size: 17px; }
  .story-tag { top: 12px; right: 12px; padding: 6px 9px; font-size: 11px; }
  .cover-title { left: 12px; right: 12px; bottom: 12px; padding: 9px 12px; }
  .cover-title small { font-size: 10px; }
  .cover-title strong { margin-top: 6px; font-size: 25px; }
  .story-info { padding: 13px 2px 0; gap: 14px; }
  .story-info h3 { font-size: 18px; }
  .story-info p { font-size: 11px; }

  .method-section { padding: 64px 18px; gap: 40px; }
  .method-copy > p { margin: 20px 0 26px; font-size: 15px; }
  .inverse-button { width: 100%; }
  .learning-strip { grid-template-columns: 1fr; }
  .learning-strip article { min-height: 0; padding: 22px 18px; border: 0; border-bottom: 2px solid var(--white); }
  .learning-strip article:last-child { border: 0; }
  .learning-strip article > b { margin-top: 18px; }
  .learning-strip em { min-height: 108px; margin-top: 18px; padding: 14px; }
  .learning-strip article:first-child em { white-space: nowrap; }

  .library-section { padding: 64px 18px 72px; }
  .library-heading > p { margin-top: 22px; }
  .library-grid { margin-top: 32px; grid-template-columns: 1fr; }
  .library-feature { min-height: 262px; padding: 20px; }
  .library-feature h3 { margin: 22px 0 8px; font-size: 21px; }

  .faq-section { padding: 64px 18px 72px; gap: 28px; }
  .faq-section h2 span { white-space: normal; }
  .faq-list summary { min-height: 64px; gap: 14px; font-size: 15px; }
  .faq-list details p { margin-right: 0; font-size: 13px; }

  .final-cta { min-height: 0; padding: 78px 20px 72px; }
  .final-cta::before, .final-cta::after { display: none; }

  footer { min-height: 0; padding: 22px 18px 18px; flex-direction: column; text-align: center; gap: 8px; }

  .mobile-bar { min-height: 72px; padding: 9px 12px calc(9px + env(safe-area-inset-bottom)) 16px; position: fixed; z-index: 50; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--ink); color: var(--white); }
  .mobile-bar-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
  .mobile-bar-brand .brand-mark { width: 36px; height: 36px; transform: none; }
  .mobile-bar span { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
  .mobile-bar b { font-size: 14px; }
  .mobile-bar small { color: #a7a59c; font-size: 10px; }
  .mobile-bar button { flex: none; height: 46px; padding: 0 16px; border: 0; background: var(--lime); color: var(--ink); font-size: 13px; font-weight: 900; }

  .modal { padding: 32px 20px 26px; box-shadow: 6px 6px 0 var(--ink); }
  .modal h2 { font-size: 27px; }
  .icon-close { top: 12px; right: 12px; }

  .preview-panel { width: 100%; border-left: 0; padding: 46px 0 0; }
  .preview-scroll { padding: 0 16px calc(26px + env(safe-area-inset-bottom)); }
  .preview-panel h2 { margin: 12px 0 8px; font-size: 25px; }
  .preview-hint { margin-bottom: 16px; font-size: 12px; }
  .word-sheet { width: min(420px, calc(100vw - 28px)); padding: 24px 20px 20px; box-shadow: 6px 6px 0 var(--ink); }
  .word-sheet-word { font-size: 24px; }
  .mini-comic { gap: 10px; margin-bottom: 22px; }
  .mini-panel { height: 188px; }
  .mini-caption { left: 10px; right: 10px; bottom: 10px; padding: 9px 10px; }
  .mini-en { font-size: 13px; }
  .mini-zh { font-size: 11.5px; }
  .mini-sfx { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}