/* ============================================================
   JeaSnn Pro — RapidDirect-style B2B redesign
   Spec: docs/JeaSnn网站UI改造设计稿.md
   Tokens: navy #0B1F3A · blue #1B5FD9 · orange #FF7A1A (sole CTA color)
   ============================================================ */
:root {
  --navy: #0b1f3a;
  --navy2: #10294d;
  --blue: #1b5fd9;
  --blue-050: #eef4fd;
  --blue-100: #dce8fa;
  --orange: #ff7a1a;
  --orange-dark: #e56604;
  --green: #25d366;
  --ink: #16233a;
  --muted: #5b6b82;
  --muted-2: #8b98ac;
  --line: #e6ebf3;
  --bg: #f6f8fc;
  --white: #fff;
  --radius: 14px;
  --radius-btn: 10px;
  --shadow-card: 0 1px 2px rgba(22, 35, 58, 0.05);
  --shadow-hover: 0 18px 44px -14px rgba(14, 34, 64, 0.22);
  --shadow-orange: 0 10px 24px -8px rgba(255, 122, 26, 0.5);
  --container: 1400px; /* 延续原站内容区宽度上限 */
  --font: "Inter", system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 15.5px/1.7 var(--font);
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; border: 0; vertical-align: middle; }
a { color: var(--blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--orange); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }
.section--tint { background: var(--bg); }
@media (max-width: 768px) { .section { padding: 70px 0; } }

/* ---------- typography components ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue);
}
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 2px; background: var(--orange); }
.section-title { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; color: var(--navy); line-height: 1.2; letter-spacing: -0.01em; }
.section-sub { margin-top: 14px; color: var(--muted); max-width: 760px; }
.sec-head { margin-bottom: 44px; }
.sec-head--center { text-align: center; }
.sec-head--center .section-sub { margin-left: auto; margin-right: auto; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head--center .eyebrow::before { display: none; }
.sec-more { font-weight: 700; font-size: 14px; color: var(--blue); white-space: nowrap; }
.sec-more:hover { color: var(--orange); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-btn);
  font-weight: 700; font-size: 15px; line-height: 1.2; cursor: pointer;
  border: 1px solid transparent; transition: all 0.25s; white-space: nowrap;
}
.btn-orange { background: var(--orange); color: #fff; box-shadow: var(--shadow-orange); }
.btn-orange:hover { background: var(--orange-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,0.7); color: #fff; background: transparent; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy2); color: #fff; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #1449ad; color: #fff; }
.btn--sm { padding: 9px 20px; font-size: 13.5px; border-radius: 8px; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar { background: var(--navy); color: rgba(255,255,255,0.78); font-size: 13px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 38px; gap: 16px; }
.topbar__contacts { display: flex; align-items: center; gap: 22px; min-width: 0; }
.topbar__contacts a, .topbar__contacts span { color: rgba(255,255,255,0.78); display: inline-flex; align-items: center; gap: 6px; }
.topbar__contacts a:hover { color: #fff; }
.topbar__social { display: flex; align-items: center; gap: 14px; }
.topbar__social a { display: inline-flex; opacity: 0.75; }
.topbar__social a:hover { opacity: 1; }
.topbar__social img { width: 15px; height: 15px; }

/* ============================================================
   Header — frosted sticky nav
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 900;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid rgba(230, 235, 243, 0.9);
}
.header__inner { display: flex; align-items: center; gap: 28px; height: 78px; }
.header__logo img { height: 46px; width: auto; }
.header__nav { margin-left: auto; }
.header__nav > ul { display: flex; align-items: center; gap: 2px; }
.header__nav > ul > li { position: relative; }
.header__nav > ul > li > a {
  display: block; padding: 29px 13px; color: var(--ink);
  font-weight: 600; font-size: 14.5px;
}
.header__nav > ul > li > a:hover, .header__nav > ul > li.on > a { color: var(--blue); }
.header__nav > ul > li.on > a { box-shadow: inset 0 -3px 0 var(--orange); }
.header__nav .caret { display: inline-block; margin-left: 4px; font-size: 10px; color: var(--muted-2); transition: transform 0.2s; }
.header__nav li:hover .caret { transform: rotate(180deg); }

.nav-drop {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
  min-width: 220px; background: #fff; border-radius: 12px; border: 1px solid var(--line);
  box-shadow: var(--shadow-hover); padding: 10px 0; opacity: 0; visibility: hidden;
  transition: all 0.22s; z-index: 950;
}
.header__nav li:hover .nav-drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-drop li a {
  display: block; padding: 9px 22px; color: var(--ink); font-size: 14px; white-space: nowrap; font-weight: 500;
}
.nav-drop li a:hover { background: var(--blue-050); color: var(--blue); padding-left: 27px; }

.header__cta { flex: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: 0.25s; }

/* mobile drawer */
.m-drawer { position: fixed; inset: 0; z-index: 1000; visibility: hidden; opacity: 0; transition: 0.25s; }
.m-drawer.open { visibility: visible; opacity: 1; }
.m-drawer__mask { position: absolute; inset: 0; background: rgba(11, 31, 58, 0.5); }
.m-drawer__panel {
  position: absolute; right: 0; top: 0; bottom: 0; width: min(320px, 84vw);
  background: #fff; padding: 20px; overflow-y: auto; transform: translateX(100%); transition: 0.25s;
}
.m-drawer.open .m-drawer__panel { transform: translateX(0); }
.m-drawer__close { float: right; background: none; border: 0; font-size: 22px; cursor: pointer; color: var(--muted); }
.m-nav > li { border-bottom: 1px solid var(--line); }
.m-nav > li > a { display: flex; justify-content: space-between; align-items: center; padding: 13px 4px; font-weight: 600; color: var(--ink); }
.m-nav .m-sub { display: none; background: var(--blue-050); padding: 4px 0 8px; border-radius: 8px; }
.m-nav li.open .m-sub { display: block; }
.m-nav .m-sub a { display: block; padding: 8px 18px; font-size: 14px; color: var(--muted); font-weight: 500; }
.m-nav .arrow { transition: 0.2s; font-size: 12px; color: var(--muted-2); }
.m-nav li.open .arrow { transform: rotate(180deg); }
.m-drawer .btn-orange { width: 100%; margin-top: 16px; }

/* ============================================================
   Hero + quote form
   ============================================================ */
.hero { position: relative; background: var(--navy); }
.hero .swiper { position: absolute; inset: 0; }
.hero .swiper-slide { position: relative; height: 100%; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,31,58,0.92) 0%, rgba(11,31,58,0.62) 46%, rgba(11,31,58,0.15) 100%);
}
.hero__inner { position: relative; z-index: 5; }
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 1fr);
  align-items: center; min-height: clamp(480px, 66vh, 640px); padding: 80px 0 84px;
}
.hero__caption { color: #fff; max-width: 660px; }
.hero__caption h1 {
  font-size: clamp(32px, 4.2vw, 52px); font-weight: 900; line-height: 1.12; letter-spacing: -0.015em;
}
.hero__caption h1 em { font-style: normal; color: var(--orange); }
.hero__caption > p { margin-top: 18px; font-size: clamp(15px, 1.3vw, 17.5px); color: rgba(255,255,255,0.85); max-width: 560px; }
.hero__btns { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero .swiper-pagination { text-align: left; padding-left: calc((100vw - var(--container)) / 2 + 24px); bottom: 26px; }
.hero .swiper-pagination-bullet { background: rgba(255,255,255,0.5); opacity: 1; }
.hero .swiper-pagination-bullet-active { background: var(--orange); width: 22px; border-radius: 4px; }

/* quote form card (shared by hero & CTA) */
.qform {
  background: #fff; border-radius: var(--radius); padding: 28px 26px;
  box-shadow: 0 30px 70px -18px rgba(3, 14, 30, 0.55);
}
.qform h3 { font-size: 20px; font-weight: 800; color: var(--navy); }
.qform .qform-sub { font-size: 13.5px; color: var(--muted); margin-top: 4px; }
.qform .f-drop {
  margin-top: 16px; border: 1.5px dashed #c8d4e6; border-radius: 10px; padding: 16px 14px;
  text-align: center; color: var(--muted); font-size: 12.5px; line-height: 1.6;
  background: var(--bg);
}
.qform .f-drop b { color: var(--blue); }
.f-field { margin-top: 12px; }
.f-field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
.f-field label em { color: #e02b2b; font-style: normal; margin-left: 2px; }
.f-field input, .f-field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 9px;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s; background: #fbfcfe; font-size: 14px;
}
.f-field input:focus, .f-field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(27, 95, 217, 0.12); background: #fff; }
.f-field textarea { min-height: 84px; resize: vertical; }
.f-msg { min-height: 18px; font-size: 12.5px; margin-top: 8px; }
.f-msg.ok { color: #0d8a3f; }
.f-msg.err { color: #e02b2b; }
.qform .btn { width: 100%; margin-top: 6px; }
.qform .f-privacy { margin-top: 10px; font-size: 11.5px; color: var(--muted-2); text-align: center; }

/* trust badges under hero */
.hero__trust { position: relative; z-index: 5; background: rgba(8, 23, 44, 0.55); backdrop-filter: blur(6px); }
.hero__trust .container { display: flex; flex-wrap: wrap; gap: 14px 40px; padding-top: 16px; padding-bottom: 16px; }
.hero__trust li { display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,0.92); font-size: 13.5px; font-weight: 600; }
.hero__trust li::before {
  content: "✓"; flex: none; width: 19px; height: 19px; border-radius: 50%;
  background: rgba(255, 122, 26, 0.22); color: var(--orange); font-size: 11px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ============================================================
   Factory strip
   ============================================================ */
.factory { padding: 92px 0 88px; }
.factory__stats { margin: 30px auto 42px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.factory__stats li {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 13.5px; font-weight: 700; color: var(--navy); white-space: nowrap;
  box-shadow: var(--shadow-card);
}
.factory__stats li b { color: var(--orange); margin-right: 4px; }
.factory__media { position: relative; margin: 0 auto; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-hover); background: var(--navy); } /* 视频随内容区 1400px 通宽 */
.factory__media video { width: 100%; height: 580px; object-fit: cover; display: block; } /* 1400×580 定尺，与原站一致 */
.factory__more { text-align: center; margin-top: 36px; }
.factory__play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(11, 31, 58, 0.28); border: 0; cursor: pointer;
}
.factory__play i {
  width: 72px; height: 72px; border-radius: 50%; background: rgba(255, 255, 255, 0.94);
  display: flex; align-items: center; justify-content: center; font-style: normal;
  color: var(--orange); font-size: 24px; padding-left: 6px; transition: 0.25s;
}
.factory__play:hover i { transform: scale(1.1); background: #fff; }

/* ============================================================
   Products — grouped squares + material row
   ============================================================ */
.pgroup { margin-bottom: 56px; }
.pgroup:last-child { margin-bottom: 0; }
.pgroup__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.pgroup__head h3 { font-size: 22px; font-weight: 800; color: var(--navy); }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: 0.28s; display: flex; flex-direction: column; position: relative;
}
.prod-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; z-index: 2;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.prod-card:hover::before { transform: scaleX(1); }
.prod-card:hover { border-color: transparent; box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.prod-card__img { display: block; aspect-ratio: 1/1; overflow: hidden; background: var(--bg); }
.prod-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s; }
.prod-card:hover .prod-card__img img { transform: scale(1.06); }
.prod-card__body { padding: 15px 16px 18px; text-align: center; flex: 1; display: flex; flex-direction: column; }
.prod-card__body h3 { font-size: 14.5px; font-weight: 600; line-height: 1.45; min-height: 2.9em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.prod-card__body h3 a { color: var(--ink); }
.prod-card__body h3 a:hover { color: var(--blue); }
.prod-card__btn { margin-top: auto; padding-top: 12px; }
.btn-quote {
  display: inline-block; padding: 8px 18px; border-radius: 8px; border: 1px solid var(--orange);
  color: var(--orange); font-size: 12.5px; font-weight: 700; transition: 0.2s; background: transparent;
}
.btn-quote:hover { background: var(--orange); color: #fff; box-shadow: var(--shadow-orange); }

/* material entry cards (16:9) */
.mat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.mat-card {
  position: relative; border-radius: var(--radius); overflow: hidden; display: block;
  box-shadow: var(--shadow-card); background: var(--navy); border: 1px solid var(--line);
}
.mat-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform 0.45s; display: block; }
.mat-card:hover img { transform: scale(1.07); }
.mat-card figcaption {
  position: absolute; inset: auto 0 0; padding: 46px 16px 15px; color: #fff; font-weight: 700; font-size: 15px;
  background: linear-gradient(0deg, rgba(8,23,44,0.85), transparent); display: flex; justify-content: space-between; align-items: center;
}
.mat-card figcaption::after { content: "→"; color: var(--orange); font-weight: 800; }

/* ============================================================
   Industries (4:3 image cards)
   ============================================================ */
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ind-card {
  position: relative; border-radius: var(--radius); overflow: hidden; display: block;
  box-shadow: var(--shadow-card); background: var(--navy); border: 1px solid var(--line); transition: 0.28s;
}
.ind-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.ind-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.45s; display: block; }
.ind-card:hover img { transform: scale(1.07); }
.ind-card figcaption {
  position: absolute; inset: auto 0 0; padding: 48px 16px 16px; color: #fff; font-weight: 700; font-size: 15.5px;
  background: linear-gradient(0deg, rgba(8,23,44,0.85), transparent); text-align: center;
}

/* ============================================================
   Capabilities (vertical cards)
   ============================================================ */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cap-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: 0.28s; display: flex; flex-direction: column;
}
.cap-card:hover { border-color: transparent; box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.cap-card__img { display: block; aspect-ratio: 4/3; overflow: hidden; background: var(--bg); }
.cap-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s; }
.cap-card:hover .cap-card__img img { transform: scale(1.06); }
.cap-card__body { padding: 20px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.cap-card__body h3 { font-size: 17px; font-weight: 700; }
.cap-card__body h3 a { color: var(--navy); }
.cap-card__body h3 a:hover { color: var(--blue); }
.cap-card__body p { margin-top: 9px; color: var(--muted); font-size: 13.5px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.cap-card__more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13.5px; font-weight: 700; color: var(--blue); }
.cap-card__more:hover { color: var(--orange); }

/* ============================================================
   Materials banner
   ============================================================ */
.mat-banner { position: relative; padding: 84px 0; color: #fff; text-align: center; background: var(--navy); }
.mat-banner__bg { position: absolute; inset: 0; }
.mat-banner__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.3; }
.mat-banner .container { position: relative; }
.mat-banner h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; }
.mat-banner .sub { margin-top: 12px; color: rgba(255,255,255,0.8); max-width: 700px; margin-left: auto; margin-right: auto; }
.mat-chips { margin: 34px 0 32px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.mat-chips a {
  padding: 9px 22px; border: 1px solid rgba(255,255,255,0.4); border-radius: 999px;
  color: #fff; font-weight: 600; font-size: 14px; transition: 0.2s; background: rgba(8,23,44,0.3);
}
.mat-chips a:hover { background: var(--orange); border-color: var(--orange); color: #fff; box-shadow: var(--shadow-orange); }

/* ============================================================
   Why JeaSnn — numbered cards
   ============================================================ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card {
  position: relative; padding: 26px 22px 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: 0.28s; overflow: hidden;
}
.why-card:hover { border-color: transparent; box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.why-card .num {
  font-size: 40px; font-weight: 900; line-height: 1; color: transparent;
  -webkit-text-stroke: 1.5px #c9d6ea; letter-spacing: -0.02em; transition: 0.3s;
}
.why-card:hover .num { -webkit-text-stroke-color: var(--orange); }
.why-card h3 { margin-top: 12px; font-size: 16px; font-weight: 700; color: var(--navy); display: flex; align-items: center; gap: 8px; }
.why-card h3 svg { flex: none; color: var(--blue); }
.why-card p { margin-top: 8px; color: var(--muted); font-size: 13.5px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

/* ============================================================
   Certificates — navy block
   ============================================================ */
.certs { background: var(--navy); color: #fff; }
.certs .section-title { color: #fff; }
.certs .section-sub { color: rgba(255,255,255,0.72); }
.cert-flex { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 1000px; margin: 0 auto; }
.cert-card {
  display: flex; align-items: center; gap: 22px; background: var(--navy2);
  border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 22px; transition: 0.28s;
}
.cert-card:hover { border-color: rgba(255,122,26,0.5); transform: translateY(-4px); }
.cert-card img { flex: none; width: 190px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.14); }
.cert-card h3 { font-size: 17px; font-weight: 700; }
.cert-card p { margin-top: 8px; font-size: 13px; color: rgba(255,255,255,0.66); }

/* ============================================================
   CTA + form
   ============================================================ */
.cta { position: relative; background: linear-gradient(120deg, #1b5fd9 0%, #0b1f3a 62%); overflow: hidden; }
.cta::before {
  content: ""; position: absolute; inset: 0; opacity: 0.5;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
}
.cta .container { position: relative; }
.cta__grid { display: grid; grid-template-columns: 1.1fr 400px; gap: 56px; align-items: center; }
.cta__pitch { color: #fff; }
.cta__pitch h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; }
.cta__pitch h2 em { font-style: normal; color: var(--orange); }
.cta__points { margin-top: 26px; display: grid; gap: 14px; }
.cta__points li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: rgba(255,255,255,0.92); }
.cta__points li::before {
  content: "✓"; flex: none; margin-top: 2px; width: 21px; height: 21px; border-radius: 50%;
  background: rgba(255, 122, 26, 0.25); color: var(--orange); font-size: 12px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ============================================================
   Blog
   ============================================================ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: 0.28s; display: flex; flex-direction: column;
}
.blog-card:hover { border-color: transparent; box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.blog-card__img { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--bg); }
.blog-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s; }
.blog-card:hover .blog-card__img img { transform: scale(1.06); }
.blog-card__body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card__date { font-size: 13px; font-weight: 700; color: var(--orange); }
.blog-card__body h3 { margin-top: 8px; font-size: 17px; font-weight: 700; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card__body h3 a { color: var(--navy); }
.blog-card__body h3 a:hover { color: var(--blue); }
.blog-card__body p { margin-top: 10px; color: var(--muted); font-size: 13.5px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card__more { margin-top: auto; padding-top: 14px; font-weight: 700; font-size: 14px; }

/* ============================================================
   Trusted-by logo wall (contain — never crop)
   ============================================================ */
.logo-strip { padding: 56px 0; }
.logo-strip__flex {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 20px; background: #fff;
}
.logo-strip a {
  display: flex; align-items: center; justify-content: center; height: 56px;
  filter: grayscale(1); opacity: 0.6; transition: 0.25s;
}
.logo-strip a:hover { filter: none; opacity: 1; }
.logo-strip img { max-width: 100%; max-height: 52px; width: auto; height: auto; object-fit: contain; }

/* ============================================================
   Footer — dark, 5 columns
   ============================================================ */
.footer { background: var(--navy); color: #b9c6d8; }
.footer__grid {
  display: grid; grid-template-columns: 1.35fr 1fr 1fr 0.85fr 1.25fr; gap: 40px; padding: 64px 0 44px;
}
.footer .f-brand {
  display: inline-flex; background: #fff; border-radius: 12px; padding: 12px 18px;
}
.footer .f-brand img { height: 40px; width: auto; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { color: #b9c6d8; font-size: 13.5px; }
.footer__links a:hover { color: #fff; padding-left: 4px; }
.footer__contact li { display: flex; gap: 9px; margin-bottom: 11px; font-size: 13.5px; line-height: 1.6; }
.footer__contact b { color: #fff; font-weight: 600; flex: none; }
.footer__social { margin-top: 20px; display: flex; gap: 12px; }
.footer__social a { display: inline-flex; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.09); align-items: center; justify-content: center; transition: 0.25s; }
.footer__social a:hover { background: var(--orange); }
.footer__social img { width: 15px; height: 15px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: #8fa1b8;
}
.footer__bottom a { color: #8fa1b8; }

/* floating bar */
.float-bar { position: fixed; right: 18px; bottom: 90px; z-index: 920; display: flex; flex-direction: column; gap: 12px; }
.float-bar a, .float-bar button {
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; border: 0; cursor: pointer; color: #fff; box-shadow: var(--shadow-hover);
  font-size: 20px; transition: transform 0.2s;
}
.float-bar a:hover, .float-bar button:hover { transform: scale(1.08); }
.float-bar .wa { background: var(--green); }
.float-bar .tel { background: var(--blue); }
.float-bar .top { background: rgba(22, 35, 58, 0.78); display: none; }
.float-bar .top.show { display: flex; }

/* ============================================================
   Inner pages
   ============================================================ */
.page-banner { position: relative; color: #fff; background: var(--navy); overflow: hidden; }
.page-banner__bg { position: absolute; inset: 0; }
.page-banner__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.35; }
.page-banner .container { position: relative; padding-top: 58px; padding-bottom: 58px; }
.page-banner h1 { font-size: clamp(26px, 3.2vw, 40px); font-weight: 800; }
.page-banner p { margin-top: 10px; color: rgba(255,255,255,0.82); max-width: 720px; }
.crumbs { font-size: 13px; color: rgba(255,255,255,0.66); margin-top: 16px; }
.crumbs a { color: rgba(255,255,255,0.85); }
.crumbs a:hover { color: #fff; }

.subnav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 78px; z-index: 800; }
.subnav ul { display: flex; flex-wrap: wrap; }
.subnav a { display: block; padding: 14px 20px; color: var(--muted); font-size: 14px; font-weight: 600; position: relative; }
.subnav a:hover { color: var(--blue); }
.subnav a.on { color: var(--orange); }
.subnav a.on::after { content: ""; position: absolute; left: 20px; right: 20px; bottom: 0; height: 3px; border-radius: 2px; background: var(--orange); }

/* generic list rows */
.list-page { padding: 56px 0 80px; }
.list-rows { display: grid; gap: 22px; }
.list-row {
  display: grid; grid-template-columns: 300px 1fr; gap: 26px; padding: 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: 0.28s;
}
.list-row:hover { border-color: transparent; box-shadow: var(--shadow-hover); }
.list-row__img { display: block; border-radius: 10px; overflow: hidden; aspect-ratio: 16/10; background: var(--bg); }
.list-row__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s; }
.list-row:hover .list-row__img img { transform: scale(1.05); }
.list-row__body h2 { font-size: 19px; line-height: 1.45; font-weight: 700; }
.list-row__body h2 a { color: var(--navy); }
.list-row__body h2 a:hover { color: var(--blue); }
.list-row__meta { margin-top: 8px; font-size: 13px; color: var(--muted-2); display: flex; gap: 16px; }
.list-row__body p { margin-top: 10px; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.list-row__more { display: inline-block; margin-top: 12px; font-weight: 700; font-size: 14px; }

/* gallery (pic) pages */
.pic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pic-card { position: relative; border-radius: var(--radius); overflow: hidden; display: block; background: var(--navy); border: 1px solid var(--line); transition: 0.28s; }
.pic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.pic-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: 0.35s; display: block; }
.pic-card:hover img { transform: scale(1.06); }
.pic-card figcaption {
  position: absolute; inset: auto 0 0; padding: 44px 14px 14px; color: #fff; text-align: center;
  font-weight: 700; font-size: 14.5px; background: linear-gradient(0deg, rgba(8,23,44,0.85), transparent);
}

/* detail pages */
.detail { padding: 56px 0 80px; }
.detail__head { max-width: 860px; margin: 0 auto 30px; text-align: center; }
.detail__head h1 { font-size: clamp(22px, 2.6vw, 34px); line-height: 1.35; font-weight: 800; color: var(--navy); }
.detail__meta { margin-top: 14px; color: var(--muted-2); font-size: 13px; display: flex; justify-content: center; gap: 22px; flex-wrap: wrap; }
.detail__cover { max-width: 920px; margin: 0 auto 36px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.detail__cover img { width: 100%; display: block; }

.rich { max-width: 920px; margin: 0 auto; font-size: 15.5px; color: #2e3b52; }
.rich img { border-radius: 10px; margin: 10px 0; }
.rich p { margin: 0 0 1.1em; }
.rich h2 { font-size: 24px; margin: 1.4em 0 0.7em; font-weight: 800; color: var(--navy); }
.rich h3 { font-size: 19px; margin: 1.3em 0 0.6em; font-weight: 700; color: var(--navy); }
.rich ul, .rich ol { margin: 0 0 1.1em; padding-left: 1.6em; list-style: revert; }
.rich li { margin-bottom: 0.4em; }
.rich table { width: 100%; border-collapse: collapse; margin: 1.2em 0; }
.rich th, .rich td { border: 1px solid var(--line); padding: 9px 14px; text-align: left; font-size: 14px; }
.rich th { background: var(--blue-050); }

.spec-table { max-width: 920px; margin: 34px auto 0; }
.spec-table h3 { font-size: 19px; font-weight: 700; margin-bottom: 14px; color: var(--navy); }
.rel-list { max-width: 1080px; margin: 52px auto 0; }
.rel-list > h3 { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 18px; }
.detail-cta { text-align: center; margin: 40px 0 4px; }

/* pager */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding: 0 13px; display: inline-flex; align-items: center;
  justify-content: center; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); font-size: 14px; font-weight: 600;
}
.pager a:hover { border-color: var(--blue); color: var(--blue); }
.pager .on { background: var(--orange); border-color: var(--orange); color: #fff; box-shadow: var(--shadow-orange); }

/* 404 / empty */
.state-page { text-align: center; padding: 120px 20px; }
.state-page h1 { font-size: 88px; color: var(--orange); font-weight: 900; line-height: 1; }
.state-page p { margin: 18px 0 30px; color: var(--muted); }

/* search bar */
.searchbar { display: flex; max-width: 520px; margin: 0 auto 42px; }
.searchbar input { flex: 1; padding: 12px 16px; border: 1px solid var(--line); border-right: 0; border-radius: 10px 0 0 10px; outline: none; font-size: 14px; }
.searchbar button { padding: 0 24px; border: 0; background: var(--orange); color: #fff; border-radius: 0 10px 10px 0; cursor: pointer; font-weight: 700; }
.searchbar button:hover { background: var(--orange-dark); }

/* ============================================================
   兼容层：base 主题内页模板沿用旧类名，映射到新设计
   ============================================================ */
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.quote { background: var(--bg); }
.quote__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.quote__pitch h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; color: var(--navy); }
.quote__pitch h2 span { color: var(--orange); }
.quote__pitch p { margin-top: 16px; color: var(--muted); }
.quote__note {
  margin-top: 22px; padding: 14px 18px; border-left: 3px solid var(--orange);
  background: #fff; border-radius: 0 10px 10px 0; font-size: 13.5px; color: var(--muted);
  box-shadow: var(--shadow-card);
}
.quote__note b { color: var(--navy); }
.quote-form { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-hover); padding: 32px 30px; }
.quote-form h3 { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 14px; }
.quote-form .btn { width: 100%; }
.about__points { margin-top: 20px; display: grid; gap: 12px; }
.about__points li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); font-size: 14.5px; }
.about__points li::before {
  content: "✓"; flex: none; width: 20px; height: 20px; margin-top: 3px; border-radius: 50%;
  background: var(--blue-050); color: var(--blue); font-size: 12px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
}

@media (max-width: 1024px) {
  .quote__grid { grid-template-columns: 1fr; gap: 34px; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1200px) {
  .prod-grid, .ind-grid, .cap-grid, .why-grid, .pic-grid, .mat-grid { grid-template-columns: repeat(3, 1fr); }
  .logo-strip__flex { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .header__nav, .header__cta { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .hero__grid { grid-template-columns: 1fr; gap: 30px; padding-top: 56px; }
  .hero .swiper-slide { height: auto; }
  .hero__grid { min-height: 0; }
  .hero .swiper-pagination { padding-left: 24px; }
  .cta__grid { grid-template-columns: 1fr; gap: 36px; }
  .cta__grid .qform { max-width: 480px; }
  .cert-flex { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .topbar__contacts span:nth-child(2) { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .prod-grid, .ind-grid, .cap-grid, .why-grid, .pic-grid, .mat-grid, .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-strip__flex { grid-template-columns: repeat(2, 1fr); }
  .list-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; padding: 44px 0 28px; }
  .f-row { grid-template-columns: 1fr; }
  .subnav { top: 70px; overflow-x: auto; }
  .subnav ul { flex-wrap: nowrap; }
  .factory__media video { height: 240px; } /* 移动端降高，避免竖屏过度裁切 */
  .topbar__contacts { display: none; }
  .topbar .container { justify-content: center; }
  .cert-card { flex-direction: column; text-align: center; }
  .header__inner { height: 70px; }
}
@media (max-width: 560px) {
  .prod-grid, .ind-grid, .cap-grid, .why-grid, .pic-grid, .mat-grid, .blog-grid, .logo-strip__flex { grid-template-columns: 1fr; }
  .hero__btns .btn { width: 100%; }
  .detail__head h1 { font-size: 21px; }
}