/* ==========================================================================
   FlameTree Technology — 企业官网样式系统
   品牌色: 橙 #F86020 / 深蓝 #102858
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  --flame: #F86020;
  --flame-600: #E55317;
  --flame-50: #FFF1EA;
  --navy: #102858;
  --navy-700: #1A3A76;
  --navy-50: #EEF2FA;

  --ink: #14203A;
  --ink-2: #46536B;
  --ink-3: #6E7A90;
  --line: #E4E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F7F9FC;
  --white: #FFFFFF;

  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;

  --sh-sm: 0 2px 10px rgba(16, 40, 88, .06);
  --sh-md: 0 10px 30px rgba(16, 40, 88, .09);
  --sh-lg: 0 24px 60px rgba(16, 40, 88, .14);

  --wrap: 1200px;
  --nav-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-en), var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  word-break: break-word;
  overflow-wrap: break-word;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.22; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }

::selection { background: var(--flame); color: #fff; }

/* 语言切换时隐藏非当前语言 —— 三选一互斥 */
html[lang="zh-Hans"] [data-lang="zh-Hant"],
html[lang="zh-Hans"] [data-lang="en"],
html[lang="zh-Hant"] [data-lang="zh-Hans"],
html[lang="zh-Hant"] [data-lang="en"],
html[lang="en"] [data-lang="zh-Hans"],
html[lang="en"] [data-lang="zh-Hant"] { display: none !important; }

html[lang="zh-Hans"] body,
html[lang="zh-Hant"] body { font-family: var(--font-cn); }
html[lang="en"] body { font-family: var(--font-en); }

/* ---------- 布局 ---------- */
.wrap {
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
}
@media (max-width: 640px) { .wrap { width: calc(100% - 32px); } }

.section { padding: 104px 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--navy); color: #fff; }
.section--tight { padding: 72px 0; }

@media (max-width: 900px) { .section { padding: 72px 0; } }

/* ---------- 区块标题 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--flame);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--flame);
  border-radius: 2px;
}
.section--navy .eyebrow { color: #FF9060; }
.section--navy .eyebrow::before { background: #FF9060; }

.h-sec {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 18px;
  max-width: 20em;
  text-wrap: balance;
}
.h-sec em { font-style: normal; color: var(--flame); }
.sub-sec {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 62ch;
  line-height: 1.85;
}
.section--navy .sub-sec { color: rgba(255,255,255,.72); }

.sec-head { margin-bottom: 56px; }
.sec-head--center { text-align: center; }
.sec-head--center .h-sec, .sec-head--center .sub-sec { margin-inline: auto; }
.sec-head--center .eyebrow { justify-content: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex: none; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
  background: var(--flame);
  color: #fff;
  box-shadow: 0 8px 22px rgba(248, 96, 32, .32);
}
.btn--primary:hover { background: var(--flame-600); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(248, 96, 32, .4); }

.btn--ghost {
  border: 1.5px solid var(--line);
  color: var(--ink);
  background: #fff;
}
.btn--ghost:hover { border-color: var(--navy); color: var(--navy); transform: translateY(-2px); box-shadow: var(--sh-sm); }

.btn--outline-light {
  border: 1.5px solid rgba(255,255,255,.32);
  color: #fff;
}
.btn--outline-light:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.6); transform: translateY(-2px); }

.btn--lg { padding: 17px 34px; font-size: 16px; }
.btn--sm { padding: 10px 20px; font-size: 14px; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), height .3s var(--ease);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__logo { flex: none; display: block; }
.nav__logo img {
  height: 34px;
  width: auto;
  display: block;
  transition: height .3s var(--ease), opacity .25s var(--ease);
}
/* 导航在深色 Hero 上 → 用反白版；滚动变白底后 → 换回彩色版 */
.nav__logo .logo-on-light { display: none; }
.nav--sticky .nav__logo .logo-on-dark { display: none; }
.nav--sticky .nav__logo .logo-on-light { display: block; }
.nav--sticky .nav__logo img { height: 30px; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  padding: 9px 15px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color .2s, background .2s;
}
.nav__link:hover { color: var(--navy); background: rgba(16,40,88,.05); }
.nav__link.is-active { color: var(--flame); font-weight: 600; }

.nav__actions { display: flex; align-items: center; gap: 12px; flex: none; }

/* 语言切换 */
.lang {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  padding: 3px;
  background: rgba(255,255,255,.7);
}
.lang__btn {
  padding: 6px 13px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
  transition: background .25s, color .25s;
  line-height: 1;
}
.lang__btn.is-on { background: var(--navy); color: #fff; }
.nav--sticky .lang { background: #fff; }

.nav__burger {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--line);
  background: #fff;
}
.nav__burger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  position: relative;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav__burger span::before, .nav__burger span::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 2px; background: var(--navy); border-radius: 2px;
  transition: transform .3s var(--ease);
}
.nav__burger span::before { top: -6px; }
.nav__burger span::after { top: 6px; }
.nav__burger.is-open span { transform: rotate(45deg); }
.nav__burger.is-open span::before { transform: rotate(-90deg) translateX(-6px); }
.nav__burger.is-open span::after { opacity: 0; }

/* 滚动后导航变白 */
.nav--sticky {
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(16,40,88,.06);
}

@media (max-width: 980px) {
  .nav__menu {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    padding: 16px 24px 26px;
    box-shadow: var(--sh-md);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .28s var(--ease), transform .28s var(--ease);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .nav__menu.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__link { padding: 13px 12px; font-size: 16px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav__burger { display: inline-flex; }
  .nav__actions .btn { display: none; }
  .nav__inner { gap: 14px; }
}
@media (max-width: 420px) {
  .lang__btn { padding: 6px 9px; font-size: 12px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy);
  color: #fff;
  min-height: min(92vh, 900px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 70px) 0 96px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 82% 50%;
  opacity: .8;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 60% at 82% 45%, rgba(248,96,32,.22), transparent 62%),
    linear-gradient(100deg, rgba(11,29,64,.97) 2%, rgba(11,29,64,.92) 38%, rgba(11,29,64,.55) 66%, rgba(11,29,64,.72) 100%);
}
.hero__inner { position: relative; z-index: 2; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 56px;
  align-items: center;
}
.hero__grid > div:first-child { position: relative; z-index: 2; min-width: 0; }
.hero__grid > div:last-child { min-width: 0; }
.hero__title {
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.1;
  letter-spacing: -.025em;
  margin-bottom: 22px;
  text-wrap: balance;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, #FF8A4D, #F86020);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.85;
  color: rgba(255,255,255,.80);
  max-width: 56ch;
  margin-bottom: 34px;
  overflow-wrap: break-word;
  word-break: normal;
  line-break: strict;
}
.hero__lead strong { font-weight: 700; color: #fff; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 54px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.14);
}
.hero__stat b {
  display: block;
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
}
.hero__stat span {
  font-size: 13px;
  color: rgba(255,255,255,.58);
  line-height: 1.5;
  display: block;
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__grid > div:last-child { min-height: 0; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .hero { min-height: auto; }
}

/* Hero 悬浮卡片 */
.hero__card {
  background: rgba(255, 255, 255, .07);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-xl);
  padding: 26px 24px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .30);
}
.hero__card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.hero__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--flame);
  box-shadow: 0 0 0 4px rgba(248, 96, 32, .22);
  flex: none;
}
.hero__card-tag {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .78);
}
.hero__card-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 0;
}
.hero__card-ico {
  width: 40px; height: 40px;
  flex: none;
  border-radius: 11px;
  background: rgba(248, 96, 32, .16);
  color: #FF8A4D;
  display: grid;
  place-items: center;
}
.hero__card-ico svg { width: 20px; height: 20px; }
.hero__card-row b {
  display: block;
  font-size: 15px;
  color: #fff;
  margin-bottom: 3px;
  line-height: 1.4;
}
.hero__card-row span {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
  line-height: 1.55;
}
.hero__card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, .62);
}
.hero__card-foot svg { width: 15px; height: 15px; color: #FF8A4D; flex: none; }

/* ---------- 信任条 ---------- */
.trustbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
}
.trustbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.trustbar__label {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 700;
  flex: none;
}
.trustbar__items { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.trustbar__item {
  display: flex; align-items: center; gap: 9px;
  font-size: 15px; font-weight: 600; color: var(--ink-2);
}
.trustbar__item svg { width: 18px; height: 18px; color: var(--flame); flex: none; }
@media (max-width: 720px) { .trustbar__items { gap: 20px 26px; } }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px 30px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--flame);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); border-color: transparent; }
.card:hover::before { transform: scaleY(1); }

.card__icon {
  width: 54px; height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--flame-50);
  color: var(--flame);
  margin-bottom: 22px;
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { color: var(--ink-2); font-size: 15px; line-height: 1.8; }

/* 三栏卡片：内容更宽松 */
.grid--3 .card { padding: 32px 28px; }
@media (max-width: 980px) { .grid--3 .card { padding: 28px 24px; } }

.card__num {
  position: absolute;
  top: 18px; right: 24px;
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  color: var(--navy);
  opacity: .07;
  letter-spacing: -.04em;
}

/* 业务大卡（图文） */
.bizcard {
  border-radius: var(--r-xl);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.bizcard:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.bizcard__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--navy); }
.bizcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.bizcard:hover .bizcard__media img { transform: scale(1.05); }
.bizcard__tag {
  position: absolute;
  top: 18px; left: 18px;
  background: rgba(16,40,88,.82);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 7px 14px;
  border-radius: 100px;
}
.bizcard__body { padding: 30px 28px 34px; flex: 1; display: flex; flex-direction: column; }
.bizcard__body h3 { font-size: 21px; margin-bottom: 12px; }
.bizcard__body p { color: var(--ink-2); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.bizcard__list { margin-top: auto; display: grid; gap: 9px; }
.bizcard__list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14px; color: var(--ink-2); line-height: 1.6;
}
.bizcard__list li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--flame);
  flex: none;
  margin-top: 8px;
}

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: s; }
.steps__item { position: relative; padding-top: 46px; }
.steps__item::before {
  counter-increment: s;
  content: counter(s, decimal-leading-zero);
  position: absolute;
  top: 0; left: 0;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--flame);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: grid;
  place-items: center;
  z-index: 2;
}
.steps__item::after {
  content: "";
  position: absolute;
  top: 16px; left: 34px; right: -18px;
  height: 2px;
  background: linear-gradient(90deg, var(--flame), rgba(248,96,32,.18));
}
.steps__item:last-child::after { display: none; }
.steps__item h4 { font-size: 16px; margin-bottom: 7px; }
.steps__item p { font-size: 13.5px; color: var(--ink-3); line-height: 1.65; }

@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
  .steps__item::after { display: none; }
}
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- 特性列表（左右分栏） ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px;
  align-items: center;
}
.split--reverse .split__media { order: -1; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .split__media { order: 0; }
}

.split__media { position: relative; }
.split__media img { width: 100%; border-radius: var(--r-xl); box-shadow: var(--sh-lg); }
.split__media--frame {
  background: var(--navy);
  border-radius: var(--r-xl);
  padding: 40px;
  color: #fff;
  box-shadow: var(--sh-lg);
  position: relative;
  overflow: hidden;
}
.split__media--frame::after {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(248,96,32,.30), transparent 68%);
  right: -90px; bottom: -110px;
}

.featlist { display: grid; gap: 18px; margin-top: 30px; }
.featlist li { display: flex; gap: 14px; align-items: flex-start; }
.featlist__ico {
  width: 26px; height: 26px; flex: none;
  border-radius: 8px;
  background: var(--flame-50);
  color: var(--flame);
  display: grid; place-items: center;
  margin-top: 3px;
}
.featlist__ico svg { width: 15px; height: 15px; }
.featlist b { display: block; font-size: 15.5px; margin-bottom: 3px; }
.featlist p { font-size: 14.5px; color: var(--ink-2); line-height: 1.7; }

/* ---------- 愿景四字 ---------- */
.vision {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.vision__item {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.vision__item:hover { background: rgba(248,96,32,.14); transform: translateY(-5px); }
.vision__item b {
  display: block;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
  letter-spacing: .06em;
}
.vision__item span { font-size: 12.5px; color: rgba(255,255,255,.5); letter-spacing: .04em; }
@media (max-width: 760px) { .vision { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 合作方 ---------- */
.partners {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.partner {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 30px 24px;
  background: #fff;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.partner:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: var(--flame); }
.partner__ico {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--navy-50);
  color: var(--navy);
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.partner__ico svg { width: 22px; height: 22px; }
.partner h4 { font-size: 16px; margin-bottom: 6px; }
.partner p { font-size: 13.5px; color: var(--ink-3); line-height: 1.65; }
@media (max-width: 900px) { .partners { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .partners { grid-template-columns: 1fr; } }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--flame), var(--navy-50));
}
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 7px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--flame);
  box-shadow: 0 0 0 4px var(--flame-50);
}
.tl-item__phase {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--flame);
  background: var(--flame-50);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.tl-item h4 { font-size: 18px; margin-bottom: 8px; }
.tl-item p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }

/* ---------- 引用/洞察条 ---------- */
.quote {
  background: var(--flame-50);
  border-radius: var(--r-xl);
  padding: 48px 52px;
  position: relative;
  overflow: hidden;
}
.quote::before {
  content: "\201C";
  position: absolute;
  top: -22px; left: 22px;
  font-size: 150px;
  line-height: 1;
  color: var(--flame);
  opacity: .14;
  font-family: Georgia, serif;
}
.quote p {
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.7;
  font-weight: 500;
  color: var(--navy);
  position: relative;
  max-width: 46ch;
}
.quote cite {
  display: block;
  margin-top: 18px;
  font-style: normal;
  font-size: 14px;
  color: var(--ink-3);
}

/* ---------- CTA 区 ---------- */
.cta {
  background:
    radial-gradient(100% 120% at 88% 12%, rgba(248,96,32,.26), transparent 55%),
    var(--navy);
  color: #fff;
  border-radius: var(--r-xl);
  padding: 68px 60px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta h2 { font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 16px; }
.cta p { color: rgba(255,255,255,.72); max-width: 56ch; margin: 0 auto 32px; font-size: 16.5px; }
.cta__btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
@media (max-width: 640px) { .cta { padding: 48px 24px; } }

/* ---------- 表格（对比/规格） ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
thead th {
  background: var(--navy);
  color: #fff;
  text-align: left;
  padding: 16px 22px;
  font-size: 14.5px;
  font-weight: 600;
  white-space: nowrap;
}
tbody td { padding: 16px 22px; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--ink-2); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: var(--bg-soft); }
tbody td:first-child { font-weight: 600; color: var(--ink); }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 7px;
}
.field label .req { color: var(--flame); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  font: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--flame);
  box-shadow: 0 0 0 3px rgba(248,96,32,.13);
}
.field input::placeholder, .field textarea::placeholder { color: #A8B2C4; }
.form__note { font-size: 13px; color: var(--ink-3); line-height: 1.7; }
.form__status {
  padding: 14px 18px;
  border-radius: var(--r-sm);
  font-size: 14.5px;
  font-weight: 500;
  display: none;
}
.form__status.is-ok { display: block; background: #E8F6EE; color: #1B7A45; border: 1px solid #B9E3CB; }
.form__status.is-err { display: block; background: #FDEEEA; color: #B33A16; border: 1px solid #F3C4B5; }

/* ---------- 联系卡 ---------- */
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 28px;
}
.contact-card__ico {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--flame-50);
  color: var(--flame);
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.contact-card__ico svg { width: 22px; height: 22px; }
.contact-card h4 { font-size: 16.5px; margin-bottom: 7px; }
.contact-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.7; word-break: break-word; }
.contact-card a { color: var(--navy); font-weight: 600; }
.contact-card a:hover { color: var(--flame); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  transition: color .2s;
}
.faq__q:hover { color: var(--flame); }
.faq__q svg { width: 20px; height: 20px; flex: none; color: var(--flame); transition: transform .3s var(--ease); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq__a p { padding-bottom: 24px; color: var(--ink-2); font-size: 15px; line-height: 1.85; }
.faq__item.is-open .faq__q svg { transform: rotate(45deg); }

/* ---------- 页头横幅 ---------- */
.pagehead {
  background:
    radial-gradient(90% 140% at 82% 10%, rgba(248,96,32,.22), transparent 52%),
    var(--navy);
  color: #fff;
  padding: calc(var(--nav-h) + 74px) 0 74px;
  position: relative;
  overflow: hidden;
}
.pagehead::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 100% at 50% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 100% at 50% 0%, #000, transparent 75%);
}
.pagehead__inner { position: relative; z-index: 2; max-width: 780px; }
.pagehead h1 {
  font-size: clamp(30px, 4.4vw, 50px);
  margin-bottom: 18px;
  letter-spacing: -.02em;
}
.pagehead p { font-size: 17px; color: rgba(255,255,255,.76); line-height: 1.85; max-width: 62ch; }

.crumb {
  display: flex; align-items: center; gap: 9px;
  font-size: 13.5px; color: rgba(255,255,255,.58);
  margin-bottom: 22px;
}
.crumb a:hover { color: #fff; }
.crumb svg { width: 13px; height: 13px; opacity: .6; }

/* ---------- 页脚 ---------- */
.footer {
  background: #0B1D40;
  color: rgba(255,255,255,.6);
  padding: 72px 0 32px;
  font-size: 14.5px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 34px; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__logo { height: 32px; width: auto; margin-bottom: 18px; }
.footer__about { font-size: 14px; line-height: 1.85; max-width: 38ch; margin-top: 14px; }
.footer h5 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 18px;
}
.footer__links { display: grid; gap: 11px; }
.footer__links a { transition: color .2s; }
.footer__links a:hover { color: var(--flame); }
.footer__contact { display: grid; gap: 13px; }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.65; }
.footer__contact svg { width: 16px; height: 16px; color: var(--flame); flex: none; margin-top: 4px; }
.footer__bottom {
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.42);
}
.footer__bottom a:hover { color: var(--flame); }

/* ---------- 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 工具类 ---------- */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 32px; }
.mt-4 { margin-top: 48px; }
.mb-2 { margin-bottom: 20px; }
.tc { text-align: center; }
.muted { color: var(--ink-3); }
.nowrap { white-space: nowrap; }
.accent { color: var(--flame); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}