/* ============================================================
   馬克數位官網 style.css
   色彩：馬克紅 #E14131 / 黑 #111111 / 白 #FFFFFF / 淺灰 #F6F5F3
   字體：Noto Sans TC（內文與標題）、Archivo Italic（數字與英文標記）
   ============================================================ */

:root {
  --red: #E14131;
  --red-dark: #C1301F;
  --ink: #111111;
  --paper: #F6F5F3;
  --gray: #555555;
  --gray-light: #999999;
  --line: #DDDDDD;
  --font-body: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  --font-num: 'Archivo', sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--red); text-decoration: none; }
a:hover { color: var(--red-dark); }
::selection { background: var(--red); color: #FFFFFF; }

img { max-width: 100%; }

h1, h2, h3 { margin: 0; font-weight: 900; }
p { margin: 0; }

/* 錨點不被固定導覽列遮住 */
section[id] { scroll-margin-top: 84px; }

.container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.container-narrow { max-width: 760px; }
.red { color: var(--red); }
.mw-900 { max-width: 900px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--red); color: #FFFFFF; padding: 10px 18px; font-weight: 700;
}
.skip-link:focus { left: 0; color: #FFFFFF; }

/* ---------- 按鈕 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-weight: 900; font-size: 16px;
  padding: 14px 32px; border: 1px solid transparent; cursor: pointer;
  letter-spacing: 0.04em; white-space: nowrap; text-align: center;
  min-height: 48px;
}
.btn-lg { font-size: 18px; padding: 18px 40px; letter-spacing: 0.06em; }
.btn-primary { background: var(--red); color: #FFFFFF; }
.btn-primary:hover { background: var(--red-dark); color: #FFFFFF; }
.btn-ghost { border-color: rgba(255,255,255,0.4); color: #FFFFFF; font-weight: 700; }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-white { background: #FFFFFF; color: var(--ink); }
.btn-white:hover { background: var(--ink); color: #FFFFFF; }
.btn-line { border-color: rgba(255,255,255,0.4); color: #FFFFFF; font-weight: 700; }
.btn-line:hover { border-color: #FFFFFF; color: #FFFFFF; }
.btn-line.is-disabled { opacity: 0.55; cursor: not-allowed; }
.line-icon { width: 20px; height: 20px; flex: 0 0 auto; }
.cta-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.line-note { margin-top: 12px; font-size: 13px; color: rgba(255,255,255,0.55); }
.hero-secondary-link {
  color: rgba(255,255,255,0.7); font-size: 16px; font-weight: 500;
  padding: 18px 8px; border-bottom: 1px solid rgba(255,255,255,0.25);
}
.hero-secondary-link:hover { color: #FFFFFF; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(17,17,17,0.92);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header-logo img { height: 32px; display: block; }
.header-nav { display: flex; align-items: center; gap: clamp(16px, 2.5vw, 32px); font-size: 15px; font-weight: 500; }
.header-nav a { color: rgba(255,255,255,0.75); }
.header-nav a:hover { color: #FFFFFF; }
.header-nav .btn-nav { background: var(--red); color: #FFFFFF; font-weight: 700; font-size: 15px; padding: 10px 20px; min-height: 0; }
.header-nav .btn-nav:hover { background: var(--red-dark); color: #FFFFFF; }
.nav-toggle {
  display: none; background: none; border: 0; padding: 12px; cursor: pointer;
  flex-direction: column; gap: 5px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: #FFFFFF; transition: transform 0.2s, opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 區塊共用 ---------- */
.section { padding: clamp(72px, 10vh, 120px) 0; }
.section-dark { background: var(--ink); color: #FFFFFF; }
.section-light { background: var(--paper); color: var(--ink); }
.section-white { background: #FFFFFF; color: var(--ink); }
.kicker {
  margin-bottom: 12px; font-family: var(--font-num); font-style: italic; font-weight: 900;
  color: var(--red); font-size: 15px; letter-spacing: 0.18em;
}
.section h2 { font-size: clamp(30px, 4.2vw, 52px); line-height: 1.25; margin-bottom: clamp(40px, 6vh, 64px); text-wrap: balance; }
.section-lead { max-width: 720px; font-size: clamp(15px, 1.6vw, 18px); line-height: 1.9; color: rgba(255,255,255,0.7); margin-top: -20px; }
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid #CCCCCC; padding: 5px 12px; font-size: 13px; font-weight: 500; color: var(--gray); }
.chip-red { background: var(--red); border-color: var(--red); color: #FFFFFF; font-weight: 700; }
.chips-invert .chip { border-color: rgba(255,255,255,0.5); color: #FFFFFF; padding: 7px 16px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero { background: var(--ink); color: #FFFFFF; position: relative; overflow: hidden; }
.hero-hash {
  position: absolute; right: -4vw; top: -6vw;
  font-family: var(--font-num); font-style: italic; font-weight: 900;
  font-size: clamp(280px, 42vw, 640px); line-height: 1;
  color: rgba(225,65,49,0.09); user-select: none; pointer-events: none;
}
.hero-inner { padding-top: clamp(80px, 12vh, 150px); padding-bottom: clamp(72px, 10vh, 130px); position: relative; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; }
.eyebrow-rule { width: 40px; height: 4px; background: var(--red); display: block; }
.eyebrow-text { font-size: 14px; letter-spacing: 0.28em; color: rgba(255,255,255,0.6); font-weight: 500; }
.hero h1 { font-size: clamp(40px, 7vw, 100px); line-height: 1.2; letter-spacing: 0.01em; text-wrap: balance; }
.hero-sub { margin-top: 40px; font-size: clamp(17px, 1.8vw, 22px); font-weight: 700; letter-spacing: 0.04em; }
.hero-lead { margin-top: 16px; max-width: 640px; font-size: clamp(15px, 1.5vw, 18px); line-height: 1.9; color: rgba(255,255,255,0.65); }
.hero .cta-row { margin-top: 48px; }

/* ---------- 痛點區 ---------- */
.pain-card {
  background: #FFFFFF; border-top: 4px solid var(--ink);
  padding: 36px 32px 32px; display: flex; flex-direction: column; gap: 16px;
}
.pain-card:hover { border-top-color: var(--red); }
.pain-card h3 { font-size: 21px; line-height: 1.4; }
.pain-quote { font-size: 17px; font-weight: 700; line-height: 1.8; }
.pain-body { font-size: 15px; line-height: 1.9; color: var(--gray); flex: 1; }
.pain-answer { font-size: 15px; font-weight: 700; color: var(--red); line-height: 1.8; }

/* ---------- 為什麼是我們 ---------- */
.stats-band {
  margin-top: clamp(48px, 7vh, 72px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  border-top: 1px solid rgba(255,255,255,0.15); border-left: 1px solid rgba(255,255,255,0.15);
}
.stat { padding: 32px 24px; border-right: 1px solid rgba(255,255,255,0.15); border-bottom: 1px solid rgba(255,255,255,0.15); }
.stat-num { font-family: var(--font-num); font-style: italic; font-weight: 900; font-size: clamp(34px, 3.4vw, 46px); line-height: 1.1; }
.stat-num span { font-size: 0.55em; }
.stat-label { margin-top: 12px; font-size: 15px; color: rgba(255,255,255,0.65); line-height: 1.6; }
.why-foot {
  margin-top: clamp(40px, 6vh, 56px);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.why-claim { font-size: clamp(17px, 1.8vw, 22px); font-weight: 700; line-height: 1.7; max-width: 720px; text-wrap: pretty; }

/* ---------- 解決方案 ---------- */
.solutions-grid { gap: clamp(24px, 3vw, 48px); }
.solution { display: flex; flex-direction: column; gap: 18px; border-top: 1px solid var(--line); padding-top: 28px; }
.solution-num { font-family: var(--font-num); font-style: italic; font-weight: 900; font-size: 44px; color: var(--red); line-height: 1; }
.solution-cat { font-size: 14px; font-weight: 700; letter-spacing: 0.12em; color: #888888; }
.solution h3 { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.4; }
.solution-body { font-size: 16px; line-height: 1.9; color: var(--gray); flex: 1; }

/* ---------- 案例 ---------- */
.slogan-band { background: var(--ink); color: #FFFFFF; border-top: 1px solid rgba(255,255,255,0.1); }
.slogan-band .container { max-width: 1100px; padding-top: clamp(64px, 9vh, 110px); padding-bottom: clamp(64px, 9vh, 110px); text-align: center; }
.slogan { font-weight: 900; font-size: clamp(28px, 4.2vw, 54px); line-height: 1.5; text-wrap: balance; }
.cases-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.case-card { background: #FFFFFF; padding: 36px 32px; display: flex; flex-direction: column; gap: 12px; }
.case-card h3 { font-size: 24px; line-height: 1.4; }
.case-hook { font-size: 16px; font-weight: 700; line-height: 1.7; }
.case-fact { font-size: 15px; line-height: 1.8; color: var(--gray); flex: 1; }
.case-card .chips { margin-top: 8px; }
.case-card-featured { background: var(--ink); color: #FFFFFF; border: 3px solid var(--red); position: relative; }
.case-card-featured h3 { font-size: 26px; }
.case-card-featured .case-hook { font-size: 17px; }
.case-card-featured .case-fact { color: rgba(255,255,255,0.75); }
.featured-tag {
  position: absolute; top: -3px; right: -3px;
  background: var(--red); color: #FFFFFF; font-size: 13px; font-weight: 900;
  letter-spacing: 0.1em; padding: 8px 16px;
}
.case-expand-btn {
  margin-top: 4px; align-self: flex-start;
  background: none; border: none; padding: 4px 0; cursor: pointer;
  font-family: var(--font-body); font-size: 14px; font-weight: 700; color: var(--red);
  border-bottom: 1px solid var(--red);
}
.case-card-featured .case-expand-btn { color: #FFFFFF; border-bottom-color: rgba(255,255,255,0.5); }
.brand-wall { margin-top: clamp(48px, 7vh, 64px); border-top: 1px solid var(--line); padding-top: 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(24px, 4vw, 56px); }
.brand-wall span { font-size: clamp(16px, 1.6vw, 20px); font-weight: 900; color: var(--gray-light); letter-spacing: 0.06em; }

/* ---------- 重點案例視窗 ---------- */
.case-modal { position: fixed; inset: 0; z-index: 150; display: flex; align-items: center; justify-content: center; padding: 24px; }
.case-modal[hidden] { display: none; }
.case-modal-backdrop { position: absolute; inset: 0; background: rgba(17,17,17,0.7); }
.case-modal-panel {
  position: relative; background: #FFFFFF; color: var(--ink);
  max-width: 640px; width: 100%; max-height: 85vh; overflow-y: auto;
  padding: 44px 40px; border-top: 4px solid var(--red);
}
.case-modal-close {
  position: absolute; top: 12px; right: 12px; width: 44px; height: 44px;
  background: none; border: none; font-size: 28px; line-height: 1; cursor: pointer; color: var(--gray);
}
.case-modal-panel h3 { font-size: 26px; margin-bottom: 24px; }
.case-detail { margin: 0 0 24px; display: flex; flex-direction: column; gap: 18px; }
.case-detail div { display: flex; gap: 16px; }
.case-detail dt { flex: 0 0 88px; font-size: 14px; font-weight: 900; color: var(--red); padding-top: 2px; }
.case-detail dd { margin: 0; font-size: 15px; line-height: 1.9; color: var(--gray); }

/* ---------- 品牌故事 ---------- */
.story { text-align: center; }
.story-img { width: min(100%, 420px); display: block; margin: 0 auto 40px; }
.story-text { text-align: left; display: flex; flex-direction: column; gap: 20px; font-size: 16px; line-height: 2; color: #444444; }
.timeline { margin-top: 56px; text-align: left; }
.timeline-row { display: flex; gap: 24px; align-items: baseline; padding: 18px 0; border-top: 1px solid #E5E5E5; font-size: 16px; font-weight: 500; line-height: 1.7; }
.timeline-row:last-child { border-bottom: 1px solid #E5E5E5; }
.timeline-year { flex: 0 0 88px; font-family: var(--font-num); font-style: italic; font-weight: 900; font-size: 22px; color: var(--red); }
.timeline-now { font-weight: 900; }

/* ---------- 加入我們 ---------- */
.join-band { background: var(--red); color: #FFFFFF; }
.join-inner { padding-top: clamp(56px, 8vh, 88px); padding-bottom: clamp(56px, 8vh, 88px); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px; }
.join-text { max-width: 680px; }
.join-text h2 { font-size: clamp(26px, 3.4vw, 42px); line-height: 1.35; margin-bottom: 16px; text-wrap: balance; }
.join-text p { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.85); margin-bottom: 12px; }
.join-invite { font-weight: 700; color: #FFFFFF !important; }
.join-text .chips { margin-top: 8px; }

/* ---------- 行動區 ---------- */
.contact-title { font-size: clamp(32px, 4.6vw, 60px) !important; line-height: 1.3; }
.steps { margin-bottom: clamp(56px, 8vh, 80px); }
.step { border-top: 2px solid rgba(255,255,255,0.25); padding-top: 20px; }
.step-active { border-top-color: var(--red); }
.step-num { font-family: var(--font-num); font-style: italic; font-weight: 900; font-size: 28px; color: rgba(255,255,255,0.4); }
.step-active .step-num { color: var(--red); }
.step-name { margin: 10px 0 6px; font-size: 18px; font-weight: 900; }
.step-desc { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ---------- 表單 Modal ---------- */
.form-modal { position: fixed; inset: 0; z-index: 160; display: flex; align-items: center; justify-content: center; padding: 24px; }
.form-modal[hidden] { display: none; }
.form-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.75); }
.form-modal-panel {
  position: relative; background: var(--ink); color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.2); border-top: 4px solid var(--red);
  width: min(100%, 680px); max-height: 90vh; overflow-y: auto;
  padding: 48px 44px 40px;
}
.form-modal-close {
  position: absolute; top: 10px; right: 10px; width: 44px; height: 44px;
  background: none; border: none; font-size: 30px; line-height: 1; cursor: pointer;
  color: rgba(255,255,255,0.6);
}
.form-modal-close:hover { color: #FFFFFF; }
.form-alt { margin-top: 32px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; }
.form-alt-line { font-size: 14px; font-weight: 700; }
.form-alt .line-note { margin-top: 8px; }
body.modal-open { overflow: hidden; }

/* ---------- 表單 ---------- */
.form-title { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.5; margin-bottom: 12px; text-wrap: balance; }
.form-lead { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.65); margin-bottom: 36px; }
#inquiry-form { display: flex; flex-direction: column; gap: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 20px; }
.form-grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label, .field legend { font-size: 15px; font-weight: 700; color: #FFFFFF; padding: 0; }
.sub-label { font-size: 13px !important; font-weight: 500 !important; color: rgba(255,255,255,0.6) !important; display: block; margin-bottom: 6px; }
.req { color: var(--red); }
.legend-note { margin-left: 10px; font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.5); }
fieldset.field { border: none; margin: 0; padding: 0; }
fieldset.field legend { margin-bottom: 12px; }
.field input[type="text"], .field input[type="tel"], .field input[type="email"], .field input[type="url"],
.field textarea, .field select {
  width: 100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.25);
  color: #FFFFFF; font-family: var(--font-body); font-size: 16px;
  padding: 13px 16px; border-radius: 0; min-height: 48px;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.6) 50%), linear-gradient(135deg, rgba(255,255,255,0.6) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px; background-repeat: no-repeat; }
.field select option { color: var(--ink); background: #FFFFFF; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--red); outline-offset: 0; border-color: var(--red); }
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,0.35); }
.field.has-error input, .field.has-error textarea, fieldset.has-error input { border-color: var(--red); }
.field-error { font-size: 13px; font-weight: 700; color: #FF8A7A; margin-top: 6px; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 10px 20px; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; font-weight: 400 !important; color: rgba(255,255,255,0.85); cursor: pointer; line-height: 1.6; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--red); flex: 0 0 auto; cursor: pointer; }
.form-optional { border: 1px solid rgba(255,255,255,0.15); padding: 0; }
.form-optional summary { cursor: pointer; padding: 14px 16px; font-size: 15px; font-weight: 700; color: rgba(255,255,255,0.75); list-style-position: inside; }
.form-optional[open] summary { border-bottom: 1px solid rgba(255,255,255,0.15); }
.form-optional .form-grid { padding: 20px 16px; }
.form-optional .form-grid + .form-grid { padding-top: 0; }
.consent-field .consent span { font-size: 14px; color: rgba(255,255,255,0.75); }
.consent-field .consent a { text-decoration: underline; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
#submit-btn[disabled] { opacity: 0.6; cursor: wait; }
.form-status { font-size: 15px; font-weight: 700; line-height: 1.7; }
.form-status.is-error { color: #FF8A7A; }
.form-status.is-success { color: #7ED9A2; }
.hp-field {
  position: absolute !important; left: -10000px !important; top: auto !important;
  width: 1px !important; height: 1px !important; overflow: hidden !important;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #FFFFFF; border-top: 1px solid rgba(255,255,255,0.15); }
.footer-inner { padding-top: 40px; padding-bottom: 48px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.footer-info { display: flex; flex-direction: column; gap: 18px; }
.footer-logo { height: 32px; width: auto; align-self: flex-start; }
.footer-info p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 2; }
.footer-info a { color: rgba(255,255,255,0.8); }
.footer-info a:hover { color: #FFFFFF; }
.footer-links a { text-decoration: underline; }
.footer-close { display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-end; gap: 12px; text-align: right; }
.footer-slogan { font-size: clamp(18px, 2vw, 24px); font-weight: 900; line-height: 1.5; }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }

/* ---------- 隱私權政策頁 ---------- */
.privacy-page { background: #FFFFFF; color: var(--ink); }
.privacy-page main.container { max-width: 760px; padding-top: clamp(56px, 8vh, 96px); padding-bottom: clamp(56px, 8vh, 96px); }
.privacy-page h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.3; margin-bottom: 12px; }
.privacy-updated { font-size: 14px; color: var(--gray-light); margin-bottom: 40px; }
.privacy-page main h2 { font-size: 20px; margin: 40px 0 14px; border-left: 4px solid var(--red); padding-left: 14px; }
.privacy-page main p, .privacy-page main li { font-size: 15px; line-height: 2; color: #444444; }
.privacy-page main ul { margin: 0 0 8px; padding-left: 22px; }
.back-link { display: inline-block; margin-bottom: 32px; font-size: 14px; font-weight: 700; }

/* ---------- 404 ---------- */
.error-page {
  min-height: 100vh; padding: 10vh 24px; display: flex; flex-direction: column;
  justify-content: center; align-items: flex-start; max-width: 760px; margin: 0 auto; color: #FFFFFF;
}
.error-page h1 { font-size: clamp(40px, 7vw, 88px); line-height: 1.15; }
.error-page > p:not(.kicker) { margin: 24px 0 40px; color: rgba(255,255,255,0.65); font-size: 18px; line-height: 1.8; }

/* ---------- 手機版 ---------- */
@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .header-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(17,17,17,0.98); border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 16px;
  }
  .header-nav.is-open { display: flex; }
  .header-nav a { padding: 14px 24px; font-size: 16px; }
  .header-nav .btn-nav { margin: 8px 24px 0; text-align: center; justify-content: center; display: flex; }
  .hero .cta-row .btn { width: 100%; }
  .hero-secondary-link { padding: 12px 4px; }
  .cta-row { gap: 12px; }
  .form-modal { padding: 0; align-items: stretch; }
  .form-modal-panel { width: 100%; max-height: 100dvh; border-left: none; border-right: none; border-bottom: none; padding: 52px 20px 36px; }
  .why-foot { flex-direction: column; align-items: flex-start; }
  .footer-close { align-items: flex-start; text-align: left; }
  .case-detail div { flex-direction: column; gap: 4px; }
  .case-detail dt { flex: none; }
  .case-modal { padding: 16px; }
  .case-modal-panel { padding: 36px 24px; }
}