@charset "UTF-8";

/* ========== 全域性變數 ========== */
:root {
  --brand: #0B93E1;
  --brand-700: #0A4D7E;
  --brand-500: #0B93E1;
  --brand-300: #5FB8EC;
  --brand-100: #E3F3FC;
  --accent: #00B5C9;
  --accent-2: #FFB547;
  --text: #0F2230;
  --text-2: #4A5868;
  --text-3: #8A95A3;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FC;
  --bg-soft-2: #EEF4F9;
  --border: #E2EAF2;
  --shadow-sm: 0 2px 8px rgba(0, 78, 122, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 78, 122, 0.10);
  --shadow-lg: 0 24px 60px rgba(0, 78, 122, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --container: 1200px;
  --transition: all .25s cubic-bezier(.4,.0,.2,1);
}

/* ========== 基礎重置 ========== */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--brand-500); }
button { font-family: inherit; cursor: pointer; }
h1,h2,h3,h4 { color: var(--text); line-height: 1.3; margin: 0 0 .6em; font-weight: 700; letter-spacing: .2px; }
h1 { font-size: clamp(32px, 4.2vw, 52px); }
h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: clamp(18px, 1.6vw, 22px); }
p  { margin: 0 0 1em; color: var(--text-2); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ========== 通用按鈕 ========== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-500) 100%);
  color: #fff;
  box-shadow: 0 8px 22px rgba(0, 78, 122, .28);
}
.btn-primary:hover { transform: translateY(-2px); color:#fff; box-shadow: 0 12px 28px rgba(0,78,122,.36); }
.btn-ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--brand-100); border-color: var(--brand-300); }
.btn-light {
  background: #fff; color: var(--brand); border-color: var(--border);
}
.btn-light:hover { background: var(--brand-100); }

/* ========== 章節通用 ========== */
.section { padding: 96px 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--brand-500);
  text-transform: uppercase;
  background: var(--brand-100);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head p { font-size: 17px; }

/* ========== 全域性佔位（防圖缺失） ========== */
.img-placeholder {
  background: linear-gradient(135deg, var(--brand-100), #fff);
  border: 1px dashed var(--brand-300);
  color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  border-radius: var(--radius-md);
  min-height: 180px;
}

/* ====================================================== */
/* ===============   Header / 導航欄（全新設計） ======== */
/* ====================================================== */
.site-header {
  position: sticky; top: 16px; z-index: 1000;
  padding: 16px 24px 0;
  margin-bottom: -96px;
}
.nav-wrap {
  max-width: var(--container);
  margin: 0 auto;
  height: 64px;
  padding: 0 12px 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  background: rgba(255,255,255,.78);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 999px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.6) inset,
    0 14px 40px -16px rgba(11,147,225,.22),
    0 4px 12px -4px rgba(15,34,48,.08);
}

/* === 品牌區 === */
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  padding-right: 14px;
  border-right: 1px solid rgba(11,147,225,.12);
  margin-right: 4px;
  text-decoration: none;
}
.nav-brand img { height: 32px; width: auto; }
.nav-brand .brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand .brand-name {
  font-size: 17px; font-weight: 800;
  letter-spacing: .5px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-brand .brand-sub {
  font-size: 10px; color: var(--text-3);
  margin-top: 2px; letter-spacing: .3px;
}

/* === 選單連結 === */
.nav-menu {
  display: flex; align-items: center;
  list-style: none; margin: 0; padding: 0;
  gap: 2px;
}
.nav-menu a {
  position: relative;
  display: inline-flex; align-items: center;
  padding: 8px 14px;
  color: var(--text-2);
  font-weight: 600;
  font-size: 14px;
  border-radius: 999px;
  transition: var(--transition);
}
.nav-menu a::after {
  content: "";
  position: absolute; left: 50%; bottom: 4px;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width .25s ease;
}
.nav-menu a:hover { color: var(--brand); }
.nav-menu a:hover::after { width: 18px; }
.nav-menu a.is-active {
  color: var(--brand);
  background: var(--brand-100);
}
.nav-menu a.is-active::after { width: 0; }

/* === 操作按鈕 === */
.nav-actions { display: flex; align-items: center; gap: 6px; }

.nav-trial {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  font-size: 13px; font-weight: 600;
  color: var(--text-2);
  border-radius: 999px;
  background: transparent;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}
.nav-trial svg { width: 15px; height: 15px; }
.nav-trial:hover { color: var(--brand); background: var(--brand-100); }

.nav-buy {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  font-size: 13px; font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 130%);
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(11,147,225,.32);
  transition: var(--transition);
  text-decoration: none;
}
.nav-buy::before {
  content: "";
  position: absolute;
}
.nav-buy svg {
  width: 14px; height: 14px;
  transition: transform .25s ease;
}
.nav-buy:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(11,147,225,.42);
}
.nav-buy:hover svg { transform: translateX(2px); }

/* === 漢堡選單按鈕 === */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(11,147,225,.18);
  width: 38px; height: 38px;
  border-radius: 50%;
  align-items: center; justify-content: center;
  color: var(--brand);
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--brand-100); }
.nav-toggle svg { width: 18px; height: 18px; }

/* === 移動選單面板 === */
.nav-mobile-panel { display: none; }

@media (max-width: 1100px) {
  .nav-menu a { padding: 8px 10px; font-size: 13px; }
}
@media (max-width: 980px) {
  .site-header { top: 12px; }
  .nav-wrap { height: 58px; padding: 0 8px 0 16px; }
  .nav-toggle { display: inline-flex; }
  .nav-menu, .nav-actions { display: none; }
  .nav-brand { border-right: none; padding-right: 0; }
  .nav-brand img { height: 28px; }
  .nav-brand .brand-name { font-size: 16px; }

  .nav-mobile-panel {
    position: absolute; left: 24px; right: 24px;
    top: calc(100% + 10px);
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: rgba(255,255,255,.96);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.6);
    border-radius: 20px;
    box-shadow: 0 20px 50px -16px rgba(15,34,48,.20);
    padding: 14px;
  }
  .nav-mobile-panel.is-open { display: block; }
  .nav-mobile-panel ul { list-style: none; margin: 0 0 12px; padding: 0; }
  .nav-mobile-panel li + li { border-top: 1px solid var(--border); }
  .nav-mobile-panel a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 12px;
    color: var(--text); font-weight: 600; font-size: 15px;
    text-decoration: none;
    border-radius: 10px;
  }
  .nav-mobile-panel ul a:hover { background: var(--brand-100); color: var(--brand); }
  .nav-mobile-panel .mobile-actions {
    display: flex; gap: 8px; flex-wrap: wrap;
    padding-top: 10px;
    border-top: 1px solid var(--border);
  }
  .nav-mobile-panel .mobile-actions > a {
    flex: 1 1 140px; justify-content: center;
  }
  .nav-mobile-panel .mobile-actions .btn-primary { color: #fff; }
  .nav-mobile-panel .mobile-actions .btn-primary:hover { color: #fff; }
}
@media (max-width: 560px) {
  .site-header { padding: 0 12px; top: 8px; }
  .nav-mobile-panel { left: 12px; right: 12px; }
}

/* ====================================================== */
/* ===============   子頁面共享樣式 / Sub-page  ========= */
/* ====================================================== */
/* 子頁面英雄區 */
.subpage-hero {
  position: relative;
  padding: 140px 0 60px;
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 90% 0%, rgba(11,147,225,.16), transparent 60%),
    radial-gradient(700px 400px at 0% 30%, rgba(0,181,201,.12), transparent 65%),
    linear-gradient(180deg, #F8FBFE 0%, #FFFFFF 100%);
}
.subpage-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(11,147,225,.06) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 30%, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 60% 70% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}
.subpage-hero-inner {
  position: relative; z-index: 1;
  max-width: var(--container);
  margin: 0 auto; padding: 0 24px;
  text-align: center;
}
.subpage-hero .crumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-3); letter-spacing: 1px;
  margin-bottom: 18px;
}
.subpage-hero .crumb a { color: var(--text-3); }
.subpage-hero .crumb a:hover { color: var(--brand); }
.subpage-hero .crumb .sep { opacity: .5; }
.subpage-hero h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -.4px;
  line-height: 1.18;
  margin: 0 0 18px;
}
.subpage-hero h1 .em {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subpage-hero .lead {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 28px;
}
.subpage-hero .hero-cta { justify-content: center; display: flex; gap: 12px; flex-wrap: wrap; }

/* 截圖特性 + 文字 雙欄行 */
.feat-rows { display: grid; gap: 56px; }
.feat-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}
.feat-row.reverse { grid-template-columns: 1.2fr 1fr; }
.feat-row.reverse .feat-text { order: 2; }
.feat-row.reverse .feat-img { order: 1; }
.feat-row .feat-img {
  background: linear-gradient(135deg, var(--brand-100), #fff);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.feat-row .feat-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  object-fit: cover;
  object-position: center top;
  border-radius: 12px;
  display: block;
  background: #fff;
}
.feat-row .feat-img .img-placeholder { min-height: 240px; }
.feat-row .feat-text h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800; margin: 0 0 12px; letter-spacing: -.2px;
}
.feat-row .feat-text p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin: 0; }
@media (max-width: 820px) {
  .feat-row, .feat-row.reverse { grid-template-columns: 1fr; gap: 24px; }
  .feat-row.reverse .feat-text { order: 1; }
  .feat-row.reverse .feat-img { order: 2; }
}

/* 橫向資訊塊（用於 “其他高階功能”） */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.adv-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  transition: var(--transition);
}
.adv-item:hover {
  border-color: var(--brand-300);
  box-shadow: 0 16px 32px -12px rgba(11,147,225,.18);
  transform: translateY(-3px);
}
.adv-item .adv-ico {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--brand-100);
  color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.adv-item .adv-ico svg { width: 20px; height: 20px; }
.adv-item h4 { font-size: 16px; font-weight: 700; color: var(--text); margin: 0 0 6px; }
.adv-item p { font-size: 13px; color: var(--text-2); margin: 0; line-height: 1.65; }
@media (max-width: 980px) { .adv-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .adv-grid { grid-template-columns: 1fr; } }

/* 列數變體：4 卡 / 2 卡 / 自適應 */
.adv-grid--4 { grid-template-columns: repeat(4, 1fr); }
.adv-grid--2 { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin-left: auto; margin-right: auto; }
.adv-grid--auto { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (max-width: 1100px) { .adv-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) {
  .adv-grid--4, .adv-grid--2 { grid-template-columns: 1fr; }
}

/* 整合圖示行 */
.svc-row {
  display: flex; flex-wrap: wrap; gap: 14px;
  justify-content: center;
}
.svc-chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-2);
  font-size: 14px; font-weight: 600;
  transition: var(--transition);
}
.svc-chip:hover { border-color: var(--brand-300); color: var(--brand); transform: translateY(-2px); box-shadow: 0 8px 16px -8px rgba(11,147,225,.25); }
.svc-chip .svc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); flex: 0 0 8px; }

/* CTA 起步條 */
.start-band {
  background:
    radial-gradient(500px 240px at 100% 100%, rgba(0,181,201,.30), transparent 60%),
    linear-gradient(135deg, #0A4D7E 0%, #0E6BA8 100%);
  border-radius: 28px;
  padding: 48px;
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}
.start-band h2 { color: #fff; font-size: clamp(24px, 2.8vw, 34px); margin: 0 0 8px; }
.start-band p { color: rgba(255,255,255,.78); font-size: 15px; margin: 0; }
.start-band .start-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.start-band .btn-light, .start-band .btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px; font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}
.start-band .btn-light { background: #fff; color: var(--brand); }
.start-band .btn-light:hover { background: var(--brand-100); transform: translateY(-2px); color: var(--brand); }
.start-band .btn-outline {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
}
.start-band .btn-outline:hover { background: rgba(255,255,255,.18); color: #fff; transform: translateY(-2px); }
.start-band svg { width: 16px; height: 16px; }
@media (max-width: 820px) {
  .start-band { grid-template-columns: 1fr; padding: 36px 28px; text-align: center; }
  .start-band .start-actions { justify-content: center; }
}

/* 通用對比表 */
.compare-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--border); }
.compare-table {
  width: 100%; border-collapse: collapse; min-width: 640px;
  background: #fff;
}
.compare-table th, .compare-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.compare-table th {
  background: var(--bg-soft);
  color: var(--text);
  font-weight: 700;
  letter-spacing: .3px;
  position: sticky; top: 0;
}
.compare-table td.center, .compare-table th.center { text-align: center; }
.compare-table tbody tr:hover { background: var(--brand-100); }
.compare-table .yes { color: var(--brand); font-weight: 700; }
.compare-table .no  { color: var(--text-3); }

/* ====================================================== */
/* ===============     Footer / 頁尾樣式（極簡版） ====== */
/* ====================================================== */
.site-footer {
  background: linear-gradient(180deg, #0A4D7E 0%, #0E6BA8 100%);
  color: rgba(255,255,255,.85);
  border-top: 1px solid rgba(255,255,255,.15);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 24px;
}

/* 主行：品牌 + 聯絡 */
.footer-row {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255,255,255,.18);
}

.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 45px; filter: brightness(0) invert(1); opacity: .95; }
.footer-brand .f-name { font-size: 18px; font-weight: 800; color: #fff; line-height: 1; }
.footer-brand .f-sub  { font-size: 11px; color: rgba(255,255,255,.7); margin-top: 3px; letter-spacing: .3px; }

.footer-contact {
  display: flex; align-items: center; gap: 22px;
  flex-wrap: wrap;
}
.footer-contact .c-item {
  display: inline-flex; align-items: center; gap: 8px;
  color: #fff; font-size: 14px; font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}
.footer-contact .c-item:hover { color: #fff; opacity: .85; }
.footer-contact .c-item svg { width: 16px; height: 16px; color: rgba(255,255,255,.9); }

/* 底欄：經銷宣告 + 版權 */
.footer-bottom {
  padding-top: 18px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 12px;
  color: #6E8093;
}
.footer-bottom .reseller-note {
  margin: 0; max-width: 760px;
  line-height: 1.65;
  font-size: 12px;
}
.footer-bottom .reseller-note .zh { color: rgba(255,255,255,.88); }
.footer-bottom .reseller-note .zh strong { color: #fff; font-weight: 700; }
.footer-bottom .reseller-note .en {
  display: block; margin-top: 2px;
  color: rgba(255,255,255,.6); font-size: 11px;
}
.footer-bottom .footer-copy {
  white-space: nowrap;
  font-size: 12px;
  color: rgba(255,255,255,.7);
  letter-spacing: .3px;
}

@media (max-width: 720px) {
  .footer-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   語言切換器 (Language Switcher)
============================================================ */
.lang-switch { position: relative; display: inline-flex; }
.lang-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font: inherit; font-size: 13px; font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
}
.lang-trigger:hover { color: var(--brand); border-color: var(--brand-300); }
.lang-trigger svg { width: 16px; height: 16px; }
.lang-trigger .lang-caret { transition: transform .2s ease; }
.lang-switch.is-open .lang-trigger {
  color: var(--brand); border-color: var(--brand-300);
  box-shadow: 0 0 0 3px rgba(11,147,225,.12);
}
.lang-switch.is-open .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 200px;
  list-style: none; margin: 0; padding: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 18px 40px -16px rgba(11,147,225,.28), 0 2px 6px rgba(0,0,0,.04);
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 1000;
}
.lang-switch.is-open .lang-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-menu li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 10px;
  font-size: 14px; color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
}
.lang-menu li:hover { background: var(--brand-100); color: var(--brand); }
.lang-menu li.is-active { background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; }
.lang-menu li.is-active .lang-code { background: rgba(255,255,255,.22); color: #fff; border-color: transparent; }
.lang-code {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 30px; height: 22px; padding: 0 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px; font-weight: 800; letter-spacing: .5px;
  color: var(--text-3);
}
.lang-menu li.is-active .lang-name { color: #fff; }
.lang-name { font-weight: 600; }

/* 移動端語言列表 */
.mobile-langs {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px; margin-top: 14px;
  padding-top: 14px; border-top: 1px dashed var(--border);
}
.mobile-langs button {
  appearance: none; border: 1px solid var(--border);
  background: #fff;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  font: inherit; font-size: 13px; font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: var(--transition);
}
.mobile-langs button:hover { border-color: var(--brand-300); color: var(--brand); }
.mobile-langs button.is-active {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff; border-color: transparent;
}
.mobile-langs button.is-active .lang-code { background: rgba(255,255,255,.22); color: #fff; border-color: transparent; }

@media (max-width: 880px) {
  .lang-switch { display: none; }
}

/* ============================================================
   多級導航下拉 / Mega Menu
============================================================ */
.nav-menu .has-mega,
.nav-menu .has-drop { position: relative; }

.nav-menu .nav-top {
  display: inline-flex; align-items: center; gap: 4px; cursor: pointer;
}
.nav-menu .nav-top .caret {
  width: 14px; height: 14px; transition: transform .2s ease;
}
.nav-menu .has-mega:hover .caret,
.nav-menu .has-drop:hover .caret { transform: rotate(180deg); }

/* 標準下拉 */
.nav-menu .drop {
  list-style: none; margin: 0;
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 220px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px; gap: 2px;
  box-shadow: 0 18px 40px -16px rgba(11,147,225,.25), 0 2px 6px rgba(0,0,0,.04);
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 1000;
}
.nav-menu .has-drop:hover > .drop,
.nav-menu .has-drop:focus-within > .drop {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.nav-menu .drop li { padding: 0; }
.nav-menu .drop li.sep {
  height: 1px; background: var(--border); margin: 6px 8px;
}
.nav-menu .drop a {
  display: block;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 14px; font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  text-decoration: none;
  transition: var(--transition);
}
.nav-menu .drop a:hover { background: var(--brand-100); color: var(--brand); }

/* Mega 三列 */
.nav-menu .mega {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  width: min(880px, 92vw);
  background: #fff; border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 24px 50px -18px rgba(11,147,225,.28), 0 4px 10px rgba(0,0,0,.05);
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 1000;
}
.nav-menu .has-mega:hover > .mega,
.nav-menu .has-mega:focus-within > .mega {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.nav-menu .mega-inner {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.nav-menu .mega-col h5 {
  margin: 0 0 10px;
  font-size: 11px; font-weight: 800; letter-spacing: 1.5px;
  color: var(--text-3); text-transform: uppercase;
  padding: 0 12px;
}
.nav-menu .mega-col a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  transition: var(--transition);
}
.nav-menu .mega-col a strong {
  display: block;
  font-size: 14px; font-weight: 700; color: var(--text);
  margin-bottom: 2px;
}
.nav-menu .mega-col a span {
  display: block;
  font-size: 12px; color: var(--text-3); line-height: 1.5;
}
.nav-menu .mega-col a:hover {
  background: var(--brand-100);
}
.nav-menu .mega-col a:hover strong { color: var(--brand); }

@media (max-width: 980px) {
  .nav-menu .mega { width: min(720px, 92vw); }
  .nav-menu .mega-inner { grid-template-columns: 1fr; gap: 8px; }
}

/* ============================================================
   移動端面板二級選單
============================================================ */
.nav-mobile-panel .m-nav {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 4px;
}
.nav-mobile-panel .m-nav > li > a,
.nav-mobile-panel .m-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: 0; background: transparent;
  font: inherit; font-size: 15px; font-weight: 600;
  color: var(--text); text-align: left;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
}
.nav-mobile-panel .m-trigger svg { width: 16px; height: 16px; transition: transform .2s ease; }
.nav-mobile-panel .m-group.is-open .m-trigger { color: var(--brand); background: var(--brand-100); }
.nav-mobile-panel .m-group.is-open .m-trigger svg { transform: rotate(180deg); }
.nav-mobile-panel .m-sub {
  list-style: none; margin: 0; padding: 0 8px;
  max-height: 0; overflow: hidden;
  transition: max-height .25s ease;
}
.nav-mobile-panel .m-group.is-open .m-sub { max-height: 600px; padding-bottom: 6px; }
.nav-mobile-panel .m-sub li a {
  display: block;
  padding: 10px 14px;
  font-size: 14px; color: var(--text-2);
  border-radius: 8px;
  text-decoration: none;
}
.nav-mobile-panel .m-sub li a:hover,
.nav-mobile-panel .m-sub li a:focus { background: var(--bg-soft); color: var(--brand); }