/* ==========================================================================
   Oxfordbridge Components —— 全站复用组件
   依赖 variables.css / base.css
   ========================================================================== */

/* ========== 公告条 ========== */
.announce {
  position: relative;
  background: linear-gradient(90deg, var(--c-blue-800), var(--c-navy-900) 60%, var(--c-blue-800));
  color: var(--c-blue-100);
  font-size: var(--fs-xs);
  text-align: center;
  padding: 9px 56px;
  letter-spacing: .02em;
}
.announce strong { color: #f7e0b0; font-weight: 600; }
.announce__close {
  position: absolute; right: 10px; top: 50%;
  transform: translateY(-50%);
  background: none; border: 0; color: var(--c-blue-400);
  width: 36px; height: 36px;
  display: grid; place-items: center;
  cursor: pointer; border-radius: 6px;
}
.announce__close:hover { color: #fff; background: rgba(255,255,255,.1); }

/* ========== 导航 ========== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6, 42, 51, .97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow var(--dur) var(--ease);
}
.nav.is-scrolled { box-shadow: 0 4px 24px rgba(4, 32, 40, .35); }
.nav__inner {
  display: flex; align-items: center; gap: var(--sp-5);
  height: var(--nav-h);
  transition: height var(--dur) var(--ease);
}
.nav.is-scrolled .nav__inner { height: var(--nav-h-scrolled); }

.nav__logo {
  display: flex; align-items: center; gap: 10px;
  color: #fff; flex-shrink: 0;
}
.nav__logo img { width: 36px; height: 36px; }
.nav__logo .word { display: flex; flex-direction: column; line-height: 1.15; }
.nav__logo .word b {
  font-family: var(--font-serif);
  font-size: 1.18rem; font-weight: 700; letter-spacing: .02em;
}
.nav__logo .word span { font-size: .62rem; letter-spacing: .28em; color: var(--c-blue-400); text-transform: uppercase; }

.nav__links {
  display: none;
  align-items: center;
  gap: var(--sp-2);
  margin-inline: auto;
}
@media (min-width: 1024px) { .nav__links { display: flex; } }

.nav__link {
  position: relative;
  color: var(--c-text-inv-2);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 8px 13px;
  border-radius: var(--r-btn);
  white-space: nowrap;
}
.nav__link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav__link.is-active { color: #fff; }
.nav__link.is-active::after {
  content: "";
  position: absolute; left: 13px; right: 13px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: var(--c-cta);
}

.nav__actions { display: flex; align-items: center; gap: var(--sp-3); margin-left: auto; }

/* 语言切换胶囊 */
.lang-switch {
  display: inline-flex; align-items: center;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: var(--r-pill);
  overflow: hidden;
  font-size: var(--fs-xs); font-weight: 600;
}
.lang-switch a {
  color: var(--c-blue-100);
  padding: 5px 12px;
  letter-spacing: .04em;
}
.lang-switch a:hover { color: #fff; }
.lang-switch a.is-on { background: #fff; color: var(--c-navy-900); }

/* 汉堡按钮 */
.nav__burger {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  background: none; border: 0; cursor: pointer;
}
@media (min-width: 1024px) { .nav__burger { display: none; } }
.nav__burger span {
  display: block; position: relative;
  width: 22px; height: 2px; background: #fff;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav__burger span + span { margin-top: 6px; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: 0; z-index: 99;
  visibility: hidden; pointer-events: none;
}
.drawer.is-open { visibility: visible; pointer-events: auto; }
.drawer__overlay {
  position: absolute; inset: 0;
  background: rgba(4, 30, 38, .55);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.drawer.is-open .drawer__overlay { opacity: 1; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(320px, 86vw);
  background: var(--c-navy-900);
  padding: var(--sp-7) var(--sp-6);
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease);
  overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--sp-1);
  border-left: 1px solid rgba(255,255,255,.08);
}
.drawer.is-open .drawer__panel { transform: none; }
.drawer__panel a.drawer__link {
  color: var(--c-text-inv-2);
  font-size: 1.05rem; font-weight: 500;
  padding: 13px 10px;
  border-radius: var(--r-btn);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.drawer__panel a.drawer__link:hover,
.drawer__panel a.drawer__link.is-active { color: #fff; background: rgba(255,255,255,.07); }
.drawer__panel .lang-switch { margin-top: var(--sp-5); align-self: flex-start; }
.drawer__panel .btn { margin-top: var(--sp-4); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-weight: 600; font-size: var(--fs-sm);
  line-height: 1.2;
  padding: 12px 24px;
  border-radius: var(--r-btn);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
  text-decoration: none;
}
.btn:active { transform: translateY(1px) scale(.99); }

.btn--primary {
  background: var(--c-cta); color: #fff;
  box-shadow: 0 4px 14px rgba(217, 119, 6, .3);
}
.btn--primary:hover { background: var(--c-cta-hover); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-cta); }

.btn--secondary {   /* 深底上的白描边 */
  background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.55);
}
.btn--secondary:hover { background: #fff; color: var(--c-navy-900); transform: translateY(-2px); }

.btn--outline {   /* 浅底上的蓝描边 */
  background: transparent; color: var(--c-blue-600); border-color: var(--c-blue-600);
}
.btn--outline:hover { background: var(--c-blue-600); color: #fff; transform: translateY(-2px); }

.btn--ghost {
  background: transparent; color: var(--c-blue-600); padding-inline: 8px;
}
.btn--ghost::after { content: "→"; transition: transform var(--dur) var(--ease); }
.btn--ghost:hover::after { transform: translateX(4px); }
.btn--ghost--light { color: var(--c-blue-400); }
.btn--ghost--light:hover { color: #fff; }

.btn--lg { padding: 15px 32px; font-size: 1rem; }
.btn--sm { padding: 9px 18px; font-size: var(--fs-xs); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; pointer-events: none; }

.btn--loading { position: relative; color: transparent !important; pointer-events: none; }
.btn--loading::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 20px; height: 20px; border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff;
  animation: ob-spin .7s linear infinite;
}
@keyframes ob-spin { to { transform: rotate(360deg); } }

/* ========== 数据统计带 ========== */
.stats-band { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6) var(--sp-4); }
@media (min-width: 900px) { .stats-band { grid-template-columns: repeat(4, 1fr); } }
.stat { text-align: center; position: relative; }
.stat__num {
  font-family: var(--font-serif);
  font-size: var(--fs-stat);
  font-weight: 700;
  color: var(--c-cta);
  line-height: 1.1;
}
.stat__label { color: var(--c-text-2); font-size: var(--fs-sm); margin-top: 6px; }
.section--navy .stat__label { color: var(--c-text-inv-2); }
@media (min-width: 900px) {
  .stat + .stat::before {
    content: ""; position: absolute; left: calc(var(--sp-2) * -1); top: 12%;
    height: 76%; width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,.22), transparent);
  }
}

/* ========== 通用卡片 ========== */
.card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  display: flex; flex-direction: column;
}
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: var(--c-blue-100);
  color: var(--c-blue-600);
  margin-bottom: var(--sp-4);
  flex-shrink: 0;
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: var(--sp-2); }
.card p { color: var(--c-text-2); font-size: var(--fs-sm); }

/* ========== 徽章 / 标签 ========== */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-xs); font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--c-blue-100); color: var(--c-blue-800);
  line-height: 1.5;
}
.pill--cta { background: var(--c-cta-light); color: var(--c-cta-hover); }
.pill--navy { background: var(--c-navy-900); color: #fff; }
.pill--ghost-light { background: rgba(255,255,255,.1); color: var(--c-blue-100); border: 1px solid rgba(255,255,255,.25); }

.offer-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-serif);
  font-weight: 700; font-size: var(--fs-xs);
  padding: 5px 14px;
  border-radius: var(--r-pill);
  background: var(--c-cta); color: #fff;
  letter-spacing: .03em;
}
.offer-badge::before { content: "✓"; font-weight: 700; }

.tag {
  display: inline-block;
  font-size: var(--fs-xs); font-weight: 500;
  padding: 2.5px 10px;
  border-radius: var(--r-pill);
  background: var(--c-bg-light);
  color: var(--c-text-2);
  border: 1px solid var(--c-border);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }

/* ========== 旗舰计划大卡（首页） ========== */
.flagship {
  position: relative;
  background:
    radial-gradient(700px 300px at 90% -20%, rgba(44, 195, 216, .28), transparent 60%),
    linear-gradient(120deg, var(--c-navy-900), var(--c-blue-800));
  border-radius: 24px;
  padding: var(--sp-7);
  color: var(--c-text-inv-2);
  overflow: hidden;
}
@media (min-width: 768px) { .flagship { padding: var(--sp-9); } }
.flagship h2, .flagship h3 { color: #fff; }
.flagship__grid { display: grid; gap: var(--sp-7); }
@media (min-width: 900px) { .flagship__grid { grid-template-columns: 1.05fr 1.6fr; align-items: center; } }
.flagship__tiers { display: grid; gap: var(--sp-4); }
@media (min-width: 640px) { .flagship__tiers { grid-template-columns: repeat(3, 1fr); } }
.flagship__tier {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-card);
  padding: var(--sp-5);
}
.flagship__tier b { color: #fff; font-family: var(--font-serif); font-size: 1.05rem; display: block; }
.flagship__tier small { display: block; margin-top: 6px; font-size: var(--fs-xs); line-height: 1.6; }
.flagship__tier .hours { color: var(--c-blue-400); font-weight: 700; }

/* ========== 套餐对比卡（services） ========== */
.plan-grid { display: grid; gap: var(--sp-5); align-items: stretch; }
@media (min-width: 900px) { .plan-grid { grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); } }

.plan-card {
  position: relative;
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 20px;
  padding: var(--sp-7) var(--sp-6);
  display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan-card--featured {
  border-color: var(--c-cta);
  box-shadow: var(--shadow-lg);
}
@media (min-width: 900px) {
  .plan-card--featured { transform: scale(1.045); z-index: 1; }
  .plan-card--featured:hover { transform: scale(1.045) translateY(-4px); }
}
.plan-card__ribbon {
  position: absolute; top: 0; right: 0;
  background: var(--c-cta); color: #fff;
  font-size: var(--fs-xs); font-weight: 700;
  padding: 7px 16px;
  border-radius: 0 18px 0 14px;
  letter-spacing: .05em;
}
.plan-card__name { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; color: var(--c-navy-900); }
.plan-card__sub { color: var(--c-text-2); font-size: var(--fs-sm); margin-top: 4px; }
.plan-card__hours {
  font-family: var(--font-serif);
  font-size: 2rem; font-weight: 700;
  color: var(--c-cta);
  margin-top: var(--sp-5);
}
.plan-card__hours small { font-size: .85rem; color: var(--c-text-3); font-family: var(--font-sans); font-weight: 500; }
.plan-card__price { font-size: var(--fs-sm); color: var(--c-text-2); margin-top: 2px; }
.plan-features { margin: var(--sp-6) 0; display: grid; gap: 10px; flex: 1; }
.plan-features li {
  display: flex; gap: 10px;
  font-size: var(--fs-sm); color: var(--c-text);
  line-height: 1.55;
}
.plan-features li::before {
  content: "✓"; color: var(--c-cta); font-weight: 700; flex-shrink: 0;
}
.plan-features li.is-off { color: var(--c-text-3); }
.plan-features li.is-off::before { content: "—"; color: var(--c-text-3); }
.plan-card .btn { margin-top: auto; }

/* ========== 目的地卡片 ========== */
.dest-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  display: flex; flex-direction: column;
}
.dest-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.dest-card__img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--c-navy-900); }
.dest-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.dest-card__img img[src*="hong-kong"] { object-position: center 42%; }
.dest-card:hover .dest-card__img img { transform: scale(1.05); }
.dest-card__flag {
  position: absolute; top: 12px; left: 12px;
  background: var(--c-cta); color: #fff;
  font-size: var(--fs-xs); font-weight: 700;
  padding: 3px 12px; border-radius: var(--r-pill);
  letter-spacing: .08em;
  box-shadow: 0 2px 8px rgba(217,119,6,.4);
}
.dest-card__body { padding: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-3); flex: 1; }
.dest-card__body h3 { font-size: 1.2rem; }
.dest-card__body > p { color: var(--c-text-2); font-size: var(--fs-sm); flex: 1; }

/* ========== 导师卡片 ========== */
.tutor-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: var(--sp-6) var(--sp-5);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  display: flex; flex-direction: column; align-items: center;
}
.tutor-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 1.9rem; font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--c-blue-600), var(--c-navy-900));
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.25), 0 4px 12px rgba(6,42,51,.25);
  margin-bottom: var(--sp-4);
  flex-shrink: 0;
  user-select: none;
}
.avatar--sm { width: 46px; height: 46px; font-size: 1.05rem; margin-bottom: 0; }
.avatar--lg { width: 120px; height: 120px; font-size: 2.7rem; }
.avatar--grad2 { background: linear-gradient(135deg, var(--c-blue-400), var(--c-blue-800)); }
.avatar--grad3 { background: linear-gradient(135deg, #7c3aed, #312e81); }
.avatar--grad4 { background: linear-gradient(135deg, #0e7490, #164e63); }

.tutor-card h3 { font-size: 1.12rem; margin-bottom: 4px; }
.degree-chain {
  font-size: var(--fs-xs);
  color: var(--c-text-3);
  letter-spacing: .02em;
  margin-bottom: var(--sp-3);
}
.degree-chain b { color: var(--c-blue-600); font-weight: 600; }
.tutor-card .tag-list { justify-content: center; margin-bottom: var(--sp-3); }
.tutor-card .hours { font-size: var(--fs-xs); color: var(--c-text-2); margin-top: auto; padding-top: var(--sp-3); }
.tutor-card .hours b { color: var(--c-cta); font-size: .95rem; }

/* ========== 案例卡片 ========== */
.case-grid { display: grid; gap: var(--sp-5); }
@media (min-width: 640px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .case-grid { grid-template-columns: repeat(3, 1fr); } }

.case-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: var(--sp-3);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  text-align: left;
  width: 100%;
  font-family: inherit;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-card .offer-badge { align-self: flex-start; }
.case-card h3 { font-size: 1.08rem; }
.case-card .meta { font-size: var(--fs-xs); color: var(--c-text-3); }
.case-card p { font-size: var(--fs-sm); color: var(--c-text-2); }
.case-card .case-link { margin-top: auto; padding-top: var(--sp-2); font-size: var(--fs-sm); font-weight: 600; color: var(--c-blue-600); }
.case-card:hover .case-link { color: var(--c-cta); }

/* ========== 模态框 ========== */
.modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: var(--sp-4); }
.modal[hidden] { display: none; }
.modal__overlay { position: absolute; inset: 0; background: rgba(4, 30, 38, .62); backdrop-filter: blur(4px); }
.modal__dialog {
  position: relative;
  width: min(680px, 100%);
  max-height: 86vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 20px;
  padding: var(--sp-7);
  box-shadow: var(--shadow-lg);
  animation: ob-pop .28s var(--ease);
}
@keyframes ob-pop { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal__close {
  position: absolute; top: 14px; right: 14px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 0; cursor: pointer;
  background: var(--c-bg-light); color: var(--c-text-2);
  display: grid; place-items: center;
}
.modal__close:hover { background: var(--c-navy-900); color: #fff; }
.modal__dialog h3 { font-size: 1.3rem; padding-right: var(--sp-8); }
.modal__dialog .offer-badge { margin-top: var(--sp-3); }
.modal__dialog dl { margin-top: var(--sp-5); display: grid; gap: var(--sp-4); }
.modal__dialog dt { font-weight: 700; color: var(--c-navy-900); font-size: var(--fs-sm); margin-bottom: 4px; }
.modal__dialog dd { color: var(--c-text-2); font-size: var(--fs-sm); }

/* ========== 评价轮播 ========== */
.carousel { position: relative; }
.carousel__track {
  display: flex;
  gap: var(--sp-5);
  overflow-x: auto;
  scroll-snap-type: none;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-block: var(--sp-2);
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track > * {
  flex: 0 0 min(420px, 88%);
  scroll-snap-align: none;
}

.quote-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: var(--sp-7) var(--sp-6);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.quote-card .stars { color: #f5a623; letter-spacing: 3px; font-size: .95rem; }
.quote-card blockquote {
  font-family: var(--font-serif);
  font-size: var(--fs-quote);
  font-style: italic;
  color: var(--c-text);
  line-height: 1.7;
  margin: var(--sp-4) 0 var(--sp-6);
  position: relative;
  flex: 1;
}
.quote-card blockquote::before {
  content: "“";
  position: absolute; top: -0.55em; left: -0.1em;
  font-size: 3.4em; opacity: .14;
  color: var(--c-cta);
  line-height: 1;
}
.quote-card .who { display: flex; align-items: center; gap: var(--sp-3); }
.quote-card .who b { display: block; font-size: var(--fs-sm); color: var(--c-navy-900); }
.quote-card .who span { font-size: var(--fs-xs); color: var(--c-text-3); }

/* ========== FAQ 手风琴 ========== */
.faq-item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.faq-item + .faq-item { margin-top: var(--sp-3); }
.faq-item.is-open { border-color: var(--c-blue-500); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  background: none; border: 0; cursor: pointer;
  text-align: left;
  padding: 18px 22px;
  font-weight: 600; font-size: .98rem;
  color: var(--c-navy-900);
  font-family: inherit;
}
.faq-q .chev {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--c-bg-light);
  color: var(--c-blue-600);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.faq-item.is-open .chev { transform: rotate(180deg); background: var(--c-blue-600); color: #fff; }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s var(--ease);
}
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p {
  padding: 0 22px 20px;
  color: var(--c-text-2);
  font-size: var(--fs-sm);
  line-height: 1.8;
  border-top: 1px dashed var(--c-border);
  padding-top: 16px;
  margin-top: -1px;
}

/* ========== 表单 ========== */
.form-grid { display: grid; gap: var(--sp-5); }
@media (min-width: 640px) { .form-grid--2 { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-size: var(--fs-sm); font-weight: 600; color: var(--c-navy-900); }
.field__label .req { color: var(--c-cta); margin-left: 2px; }
.field__input, .field__select, .field__textarea {
  width: 100%;
  border: 1.5px solid var(--c-border-2);
  border-radius: 10px;
  background: #fff;
  padding: 12px 14px;
  font-size: var(--fs-sm);
  color: var(--c-text);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  appearance: none;
}
.field__textarea { min-height: 120px; resize: vertical; }
.field__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%235a6a85' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}
.field__input:focus, .field__select:focus, .field__textarea:focus {
  outline: none;
  border-color: var(--c-blue-600);
  box-shadow: 0 0 0 3.5px rgba(0, 119, 182, .15);
}
.field.has-error .field__input,
.field.has-error .field__select,
.field.has-error .field__textarea { border-color: var(--c-error); }
.field__error {
  display: none;
  font-size: var(--fs-xs);
  color: var(--c-error);
}
.field.has-error .field__error { display: block; }

.field-check { display: flex; gap: 10px; align-items: flex-start; font-size: var(--fs-xs); color: var(--c-text-2); line-height: 1.7; }
.field-check input { width: 17px; height: 17px; margin-top: 3px; accent-color: var(--c-blue-600); flex-shrink: 0; cursor: pointer; }

/* 表单成功态 */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-9) var(--sp-6);
  gap: var(--sp-4);
}
.form-success.is-shown { display: flex; animation: ob-pop .35s var(--ease); }
.form-success .check-ring {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: #ecfdf5;
  display: grid; place-items: center;
}
.form-success .check-ring svg { width: 40px; height: 40px; color: var(--c-success); }
.form-success .check-ring svg path {
  stroke-dasharray: 60; stroke-dashoffset: 60;
  animation: ob-draw .7s .15s var(--ease) forwards;
}
@keyframes ob-draw { to { stroke-dashoffset: 0; } }
.form-success h3 { font-size: 1.25rem; }
.form-success p { color: var(--c-text-2); font-size: var(--fs-sm); max-width: 34em; }

/* ========== CTA 横幅 ========== */
.cta-banner {
  position: relative;
  background:
    radial-gradient(600px 260px at 12% 0%, rgba(0, 180, 216, .28), transparent 60%),
    linear-gradient(120deg, var(--c-navy-900) 20%, var(--c-blue-800));
  border-radius: 24px;
  padding: var(--sp-9) var(--sp-6);
  text-align: center;
  color: var(--c-text-inv-2);
  overflow: hidden;
}
@media (min-width: 768px) { .cta-banner { padding: var(--sp-11) var(--sp-9); } }
.cta-banner h2 { color: #fff; font-size: clamp(1.4rem, 3vw, 2rem); max-width: 21em; margin: 0 auto var(--sp-3); }
.cta-banner p { max-width: 40em; margin: 0 auto var(--sp-6); font-size: var(--fs-sm); }
.cta-banner .btn-group { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; }
.cta-banner .reply-note {
  margin-top: var(--sp-5);
  font-size: var(--fs-xs);
  color: var(--c-blue-400);
  display: inline-flex; align-items: center; gap: 7px;
}
.cta-banner .reply-note::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, .25);
}

/* ========== 页脚 ========== */
.footer {
  background: #04202a;
  color: var(--c-text-inv-2);
  padding-top: var(--sp-10);
  margin-top: auto;
}
.footer__grid {
  display: grid; gap: var(--sp-8);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: var(--sp-7); } }
.footer .brand { display: flex; align-items: center; gap: 10px; color: #fff; margin-bottom: var(--sp-4); }
.footer .brand img { width: 40px; height: 40px; }
.footer .brand .word { display: flex; flex-direction: column; line-height: 1.15; }
.footer .brand .word b { font-family: var(--font-serif); font-size: 1.25rem; }
.footer .brand .word span { font-size: .62rem; letter-spacing: .28em; color: var(--c-blue-400); text-transform: uppercase; }
.footer__about { font-size: var(--fs-sm); line-height: 1.85; max-width: 30em; }
.footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
  font-weight: 700;
}
.footer__links { display: grid; gap: 10px; }
.footer__links a { color: var(--c-text-inv-2); font-size: var(--fs-sm); }
.footer__links a:hover { color: #fff; padding-left: 4px; }
.footer__contact { display: grid; gap: 12px; font-size: var(--fs-sm); }
.footer__contact .item { display: flex; gap: 10px; align-items: flex-start; line-height: 1.6; }
.footer__contact .item svg { width: 17px; height: 17px; color: var(--c-blue-400); flex-shrink: 0; margin-top: 4px; }
.footer__social { display: flex; gap: 10px; margin-top: var(--sp-5); }
.footer__social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  display: grid; place-items: center;
  color: var(--c-blue-100);
}
.footer__social a:hover { background: var(--c-cta); border-color: var(--c-cta); color: #fff; }
.footer__social a svg { width: 17px; height: 17px; }
.footer__bottom {
  margin-top: var(--sp-9);
  border-top: 1px solid rgba(255,255,255,.1);
  padding: var(--sp-5) 0 var(--sp-6);
  display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-6);
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--c-text-3);
}
.footer__bottom a { color: var(--c-text-3); }
.footer__bottom a:hover { color: #fff; }

/* ========== 回到顶部 ========== */
.totop {
  position: fixed; right: 22px; bottom: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--c-navy-900);
  color: #fff;
  border: 0; cursor: pointer;
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all var(--dur) var(--ease);
  z-index: 90;
}
.totop.is-shown { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--c-cta); }
.totop svg { width: 19px; height: 19px; }

/* ========== 首次访问语言提示条 ========== */
.lang-hint {
  position: fixed; left: 50%; bottom: 26px;
  transform: translateX(-50%);
  z-index: 95;
  background: #fff;
  color: var(--c-text);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-border);
  padding: 9px 10px 9px 20px;
  font-size: var(--fs-sm);
  display: none;
  align-items: center; gap: 14px;
  white-space: nowrap;
}
.lang-hint.is-shown { display: flex; animation: ob-pop .3s var(--ease); }
.lang-hint a { font-weight: 700; color: var(--c-cta); }
.lang-hint__close { background: none; border: 0; color: var(--c-text-3); cursor: pointer; font-size: 1rem; padding: 4px; }

/* ========== 筛选器 ========== */
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.filter-btn {
  border: 1.5px solid var(--c-border-2);
  background: #fff;
  color: var(--c-text-2);
  font-size: var(--fs-sm); font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.filter-btn:hover { border-color: var(--c-blue-500); color: var(--c-blue-600); }
.filter-btn.is-on {
  background: var(--c-navy-900);
  border-color: var(--c-navy-900);
  color: #fff;
}
.no-results { display: none; text-align: center; color: var(--c-text-2); padding: var(--sp-8) 0; }
.no-results.is-shown { display: block; }

/* ========== 时间轴（服务流程） ========== */
.steps { display: grid; gap: var(--sp-5); counter-reset: step; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(5, 1fr); gap: var(--sp-3); } }
.step { position: relative; padding-top: var(--sp-2); }
.step__num {
  font-family: var(--font-serif);
  font-size: 2.6rem; font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-blue-400);
  line-height: 1;
  margin-bottom: var(--sp-3);
  display: block;
}
.step h3 { font-size: 1rem; margin-bottom: 6px; }
.step p { font-size: var(--fs-xs); color: var(--c-text-2); line-height: 1.7; }
.step::after {
  content: "";
  position: absolute; top: 26px; right: calc(var(--sp-2) * -1);
  width: var(--sp-2); height: 2px;
  background: repeating-linear-gradient(90deg, var(--c-blue-400) 0 4px, transparent 4px 8px);
}
.step:last-child::after { display: none; }
@media (max-width: 899px) { .step::after { display: none; } }

/* ========== 成功率对比条 ========== */
.compare-bars { display: grid; gap: var(--sp-6); max-width: 640px; margin-inline: auto; }
.cbar { }
.cbar__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.cbar__head b { font-size: var(--fs-sm); color: var(--c-navy-900); }
.cbar__head span { font-family: var(--font-serif); font-weight: 700; font-size: 1.25rem; }
.cbar__track { height: 14px; background: #e8eef6; border-radius: var(--r-pill); overflow: hidden; }
.cbar__fill { height: 100%; border-radius: var(--r-pill); width: 0; transition: width 1.2s var(--ease); }
.cbar__fill--us { background: linear-gradient(90deg, var(--c-cta), #ff8f5c); }
.cbar__fill--avg { background: linear-gradient(90deg, var(--c-blue-400), var(--c-blue-600)); }
.cbar.is-visible .cbar__fill--us { width: var(--w, 38%); }
.cbar.is-visible .cbar__fill--avg { width: var(--w, 18%); }

/* ========== 视频见证占位卡 ========== */
.video-grid { display: grid; gap: var(--sp-5); }
@media (min-width: 640px) { .video-grid { grid-template-columns: repeat(2, 1fr); } }
.video-card {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-card);
  overflow: hidden;
  background:
    radial-gradient(400px 200px at 30% 20%, rgba(0, 180, 216, .35), transparent 60%),
    linear-gradient(130deg, var(--c-navy-900), var(--c-blue-800));
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.12);
}
.video-card__play {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--c-cta);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 0 0 10px rgba(217, 119, 6, .18);
  transition: transform var(--dur) var(--ease);
}
.video-card:hover .video-card__play { transform: scale(1.1); }
.video-card__play svg { width: 22px; height: 22px; margin-left: 3px; }
.video-card__cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--sp-4) var(--sp-5);
  background: linear-gradient(180deg, transparent, rgba(2, 3, 40, .85));
  color: #fff;
  font-size: var(--fs-sm);
  display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3);
}
.video-card__cap small { color: var(--c-blue-400); flex-shrink: 0; }