/* ==========================================================================
   泰州市武氟塑业有限公司 · 企业官网样式
   Design: 简约大气 / 工业质感 / 深蓝主色
   ========================================================================== */

:root {
  --ink-900: #08192a;
  --ink-800: #12293d;
  --ink-700: #20394f;
  --ink-600: #3b5266;
  --ink-500: #5b7288;
  --ink-400: #8194a6;
  --ink-300: #a9b8c6;
  --ink-200: #c9d5df;

  --line: #e5ebf1;
  --line-strong: #d2dde7;

  --bg: #ffffff;
  --bg-soft: #f6f9fb;
  --bg-tint: #eef4f8;

  --brand-900: #062a48;
  --brand-800: #0b3860;
  --brand-700: #10497a;
  --brand-600: #165a92;

  --accent: #1e86bd;
  --accent-2: #38a4da;
  --accent-soft: #e8f3fa;

  --radius: 2px;
  --radius-lg: 3px;
  --shadow-sm: 0 1px 2px rgba(8, 25, 42, 0.05);
  --shadow-md: 0 18px 40px -22px rgba(8, 25, 42, 0.28);
  --shadow-lg: 0 32px 64px -32px rgba(8, 25, 42, 0.34);

  --maxw: 1180px;
  --header-h: 74px;

  --font: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system,
    "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink-900);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--brand-800); color: #fff; }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--accent); opacity: .7;
}
.eyebrow--light { color: #8fc9e8; }
.eyebrow--light::before { background: #8fc9e8; }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 { font-size: 34px; letter-spacing: -0.02em; }
.section-head p { margin-top: 18px; font-size: 16px; color: var(--ink-500); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }

.lead { font-size: 17px; line-height: 1.85; color: var(--ink-500); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 28px;
  border: 1px solid transparent; border-radius: var(--radius);
  font-size: 14.5px; font-weight: 500; letter-spacing: .04em;
  cursor: pointer; transition: all .25s ease; white-space: nowrap;
  background: none; color: inherit;
}
.btn--primary { background: var(--brand-800); color: #fff; }
.btn--primary:hover { background: var(--brand-600); transform: translateY(-1px); }
.btn--outline { border-color: var(--line-strong); color: var(--ink-800); background: #fff; }
.btn--outline:hover { border-color: var(--brand-700); color: var(--brand-700); }
.btn--light { background: #fff; color: var(--brand-800); }
.btn--light:hover { background: var(--accent-soft); }
.btn--ghost-light { border-color: rgba(255,255,255,.42); color: #fff; }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--sm { height: 38px; padding: 0 18px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500; color: var(--brand-700);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: .25s ease;
}
.link-arrow:hover { border-color: var(--brand-700); gap: 12px; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--brand-900); color: rgba(255,255,255,.72);
  font-size: 12.5px; letter-spacing: .04em;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 38px; gap: 16px;
}
.topbar__list { display: flex; align-items: center; gap: 24px; }
.topbar__list span { display: inline-flex; align-items: center; gap: 7px; }
.topbar__list svg { width: 13px; height: 13px; opacity: .65; }
.topbar__tag { color: #9ed2ef; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease;
}
.header.is-stuck { box-shadow: 0 6px 24px -18px rgba(8,25,42,.5); }
.header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand-800), var(--accent));
  border-radius: var(--radius); color: #fff;
  font-weight: 700; font-size: 17px; letter-spacing: -0.04em;
}
.brand__text { line-height: 1.25; }
.brand__name { font-size: 17.5px; font-weight: 600; color: var(--ink-900); letter-spacing: .02em; }
.brand__en {
  font-size: 10px; letter-spacing: .3em; color: var(--ink-400);
  text-transform: uppercase; font-weight: 500;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 10px 16px; font-size: 15px; color: var(--ink-700);
  transition: color .22s ease;
}
.nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 2px; background: var(--brand-700); transform: scaleX(0);
  transform-origin: left; transition: transform .28s ease;
}
.nav a:hover { color: var(--brand-700); }
.nav a.is-active { color: var(--brand-800); font-weight: 500; }
.nav a.is-active::after, .nav a:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 12px; }

/* user chip */
.userchip { position: relative; }
.userchip__btn {
  display: flex; align-items: center; gap: 9px;
  height: 40px; padding: 0 14px 0 6px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: #fff; cursor: pointer; transition: .22s ease;
  font-size: 14px; color: var(--ink-700); max-width: 190px;
}
.userchip__btn:hover { border-color: var(--brand-700); }
.userchip__avatar {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--brand-700), var(--accent));
  color: #fff; font-size: 12.5px; font-weight: 600;
  display: grid; place-items: center;
}
.userchip__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.userchip__menu {
  position: absolute; right: 0; top: calc(100% + 10px); min-width: 208px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 7px; display: none; z-index: 70;
}
.userchip__menu.is-open { display: block; animation: pop .18s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(-6px); } }
.userchip__menu a, .userchip__menu button {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 12px; border: 0; background: none; cursor: pointer;
  font-size: 14px; color: var(--ink-700); text-align: left; border-radius: var(--radius);
}
.userchip__menu a:hover, .userchip__menu button:hover { background: var(--bg-tint); color: var(--brand-700); }
.userchip__meta { padding: 10px 12px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.userchip__meta b { display: block; color: var(--ink-900); font-size: 14px; font-weight: 600; }
.userchip__meta span { font-size: 12px; color: var(--ink-400); word-break: break-all; }

.navtoggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line-strong);
  border-radius: var(--radius); background: #fff; cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.navtoggle span { display: block; width: 18px; height: 1.5px; background: var(--ink-700); transition: .22s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 640px; display: flex; align-items: center;
  background: #0a2438; overflow: hidden; color: #fff;
}
.hero__bg {
  position: absolute; inset: 0;
  transform: scale(1.02);
}
.hero__slide {
  position: absolute; inset: 0;
  background-position: center; background-size: cover; background-repeat: no-repeat;
  opacity: 0; transition: opacity .9s ease;
}
.hero__slide.is-on { opacity: 1; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,29,49,.94) 0%, rgba(8,40,68,.86) 42%, rgba(10,52,86,.42) 74%, rgba(10,52,86,.22) 100%);
}
.hero__inner { position: relative; z-index: 2; padding: 110px 0 96px; max-width: 780px; }
.hero h1 {
  color: #fff; font-size: 52px; line-height: 1.2; letter-spacing: -0.03em;
  font-weight: 600;
}
.hero h1 em { font-style: normal; color: #7fc4e8; }
.hero__sub {
  margin-top: 24px; font-size: 17px; line-height: 1.9;
  color: rgba(255,255,255,.76); max-width: 540px;
}
.hero__actions { margin-top: 40px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__meta {
  position: relative; z-index: 2; margin-top: 64px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,.16); padding-top: 30px; gap: 20px;
}
.hero__meta div b {
  display: block; font-size: 27px; color: #fff; font-weight: 600;
  letter-spacing: -0.01em;
}
.hero__meta div span { font-size: 13px; color: rgba(255,255,255,.6); letter-spacing: .06em; }

/* ---------- Page banner ---------- */
.pagehead {
  position: relative; background: var(--brand-900); color: #fff;
  padding: 74px 0 68px; overflow: hidden;
}
.pagehead::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 380px at 88% -10%, rgba(56,164,218,.28), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.03), transparent);
}
.pagehead .wrap { position: relative; z-index: 2; }
.pagehead h1 { color: #fff; font-size: 38px; letter-spacing: -0.02em; }
.pagehead p { margin-top: 14px; color: rgba(255,255,255,.68); max-width: 640px; font-size: 15.5px; }
.crumb { font-size: 12.5px; color: rgba(255,255,255,.5); margin-bottom: 18px; letter-spacing: .06em; }
.crumb a:hover { color: #fff; }

/* ---------- Cards ---------- */
.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); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px 32px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--accent); transition: width .35s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.card:hover::before { width: 100%; }
.card__num {
  font-size: 12px; font-weight: 600; letter-spacing: .2em; color: var(--accent);
  margin-bottom: 16px; display: block;
}
.card h3 { font-size: 19.5px; margin-bottom: 12px; }
.card p { font-size: 14.5px; color: var(--ink-500); }

.card--img { padding: 0; display: flex; flex-direction: column; }
.card--img .card__media { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-tint); }
.card--img .card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card--img:hover .card__media img { transform: scale(1.05); }
.card--img .card__body { padding: 26px 28px 30px; flex: 1; display: flex; flex-direction: column; }
.card--img h3 { font-size: 19px; }
.card--img .card__body p { margin-bottom: 20px; }
.card--img .link-arrow { margin-top: auto; }

.icon-card {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 28px 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: .3s ease;
}
.icon-card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.icon-card__ico {
  width: 42px; height: 42px; flex: none; border-radius: var(--radius);
  background: var(--accent-soft); color: var(--brand-700);
  display: grid; place-items: center;
}
.icon-card__ico svg { width: 20px; height: 20px; }
.icon-card h4 { font-size: 16.5px; margin-bottom: 7px; }
.icon-card p { font-size: 14px; color: var(--ink-500); }

/* ---------- Split (image + text) ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: center; }
.split--rev .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { width: 100%; border-radius: var(--radius); }
.split__media--frame::after {
  content: ""; position: absolute; left: -18px; top: 18px; right: 18px; bottom: -18px;
  border: 1px solid var(--line-strong); border-radius: var(--radius); z-index: -1;
}
.split h2 { font-size: 32px; letter-spacing: -0.02em; }
.split p { margin-top: 20px; }

.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 13px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink-600); }
.ticks li::before {
  content: ""; flex: none; width: 6px; height: 6px; margin-top: 9px;
  background: var(--accent); border-radius: 1px; transform: rotate(45deg);
}

/* ---------- Application tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 12px; }
.tag {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 20px; border: 1px solid var(--line);
  background: #fff; border-radius: var(--radius);
  font-size: 14.5px; color: var(--ink-700); transition: .25s ease;
}
.tag::before { content: ""; width: 5px; height: 5px; background: var(--accent); transform: rotate(45deg); }
.tag:hover { border-color: var(--brand-700); color: var(--brand-700); background: var(--accent-soft); }

/* ---------- CTA band ---------- */
.cta {
  background: linear-gradient(115deg, var(--brand-900), var(--brand-700) 55%, #17588c);
  color: #fff; padding: 84px 0; position: relative; overflow: hidden;
}
.cta::before {
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(56,164,218,.34), transparent 66%);
}
.cta .wrap { position: relative; z-index: 2; }
.cta__row { display: flex; align-items: center; justify-content: space-between; gap: 44px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: 32px; letter-spacing: -0.02em; }
.cta p { color: rgba(255,255,255,.72); margin-top: 14px; max-width: 560px; }
.cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Product blocks ---------- */
.pindex {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px;
}
.pindex a {
  padding: 9px 18px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  font-size: 14px; color: var(--ink-700); background: #fff; transition: .22s ease;
}
.pindex a:hover { border-color: var(--brand-700); color: var(--brand-700); background: var(--accent-soft); }

.prod {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  padding: 72px 0; border-bottom: 1px solid var(--line);
}
.prod:first-of-type { padding-top: 56px; }
.prod:last-of-type { border-bottom: 0; }
.prod__media {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--bg-tint); aspect-ratio: 1/1;
}
.prod__media img { width: 100%; height: 100%; object-fit: cover; }
.prod--rev .prod__media { order: 2; }
.prod__body h3 { font-size: 29px; letter-spacing: -0.02em; }
.prod__cat {
  display: inline-block; font-size: 12px; letter-spacing: .14em; color: var(--accent);
  font-weight: 600; margin-bottom: 14px; text-transform: uppercase;
}
.prod__body > p { margin-top: 18px; color: var(--ink-500); }

.spec { margin-top: 28px; border-top: 1px solid var(--line); }
.spec__row {
  display: grid; grid-template-columns: 148px 1fr; gap: 18px;
  padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px;
}
.spec__row dt { color: var(--ink-400); }
.spec__row dd { margin: 0; color: var(--ink-800); font-weight: 500; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 30px; margin-top: 8px; }
.timeline::before {
  content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong);
}
.timeline__item { position: relative; padding-bottom: 40px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: ""; position: absolute; left: -30px; top: 8px;
  width: 9px; height: 9px; border-radius: 50%;
  background: #fff; border: 2px solid var(--accent);
}
.timeline__year {
  font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--accent); margin-bottom: 8px;
}
.timeline__item h4 { font-size: 17px; margin-bottom: 8px; }
.timeline__item p { font-size: 14.5px; color: var(--ink-500); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: start; }

.infobox {
  display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line);
}
.infobox:first-child { padding-top: 0; }
.infobox__ico {
  width: 40px; height: 40px; flex: none; border-radius: var(--radius);
  background: var(--accent-soft); color: var(--brand-700); display: grid; place-items: center;
}
.infobox__ico svg { width: 18px; height: 18px; }
.infobox h4 { font-size: 14px; color: var(--ink-400); font-weight: 500; letter-spacing: .04em; margin-bottom: 5px; }
.infobox b { display: block; font-size: 16px; color: var(--ink-900); font-weight: 600; line-height: 1.6; }
.infobox small { display: block; font-size: 13px; color: var(--ink-400); margin-top: 3px; }

.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 36px 40px; box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 22px; margin-bottom: 8px; }
.form-card > p { font-size: 14px; color: var(--ink-400); margin-bottom: 28px; }

.field { margin-bottom: 20px; }
.field > label {
  display: block; font-size: 13.5px; color: var(--ink-700);
  margin-bottom: 8px; font-weight: 500;
}
.field .req { color: #c0392b; }
.input, .select, .textarea {
  width: 100%; padding: 12px 14px; font-size: 14.5px; font-family: inherit;
  color: var(--ink-900); background: #fff;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  transition: border-color .2s ease, box-shadow .2s ease; outline: none;
}
.textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(30,134,189,.12);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-300); }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235b7288' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.field__err { display: none; font-size: 12.5px; color: #c0392b; margin-top: 7px; }
.field__err.is-on { display: block; }
.field__hint { font-size: 12.5px; color: var(--ink-400); margin-top: 7px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.otp-row { display: flex; gap: 10px; }
.otp-row .input { flex: 1; }
.otp-row .btn { height: 46px; flex: none; padding: 0 16px; font-size: 13.5px; }

/* file picker */
.filepick {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px dashed var(--line-strong); border-radius: var(--radius);
  background: var(--bg-soft); cursor: pointer; transition: .22s ease;
}
.filepick:hover { border-color: var(--accent); background: var(--accent-soft); }
.filepick svg { width: 20px; height: 20px; color: var(--brand-700); flex: none; }
.filepick__txt { font-size: 13.5px; color: var(--ink-500); line-height: 1.5; }
.filepick__txt b { color: var(--ink-800); font-weight: 500; }
.filepick__name { font-size: 13px; color: var(--brand-700); margin-top: 3px; word-break: break-all; }

/* ---------- Map / location ---------- */
.mapbox {
  position: relative; height: 300px; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; background:
    linear-gradient(0deg, rgba(8,25,42,.02), rgba(8,25,42,.02)),
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 56px),
    var(--bg-soft);
  display: grid; place-items: center;
}
.mapbox__pin { text-align: center; }
.mapbox__pin .dot {
  width: 14px; height: 14px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--accent); position: relative;
}
.mapbox__pin .dot::after {
  content: ""; position: absolute; inset: -9px; border-radius: 50%;
  border: 1px solid rgba(30,134,189,.42); animation: pulse 2.4s infinite;
}
@keyframes pulse { 0% { transform: scale(.7); opacity: 1 } 100% { transform: scale(1.9); opacity: 0 } }
.mapbox__pin b { display: block; color: var(--ink-900); font-size: 15px; }
.mapbox__pin span { font-size: 13px; color: var(--ink-400); }

/* ---------- Auth pages ---------- */
.authwrap { min-height: calc(100vh - var(--header-h)); display: grid; grid-template-columns: 1fr 1fr; }
.authwrap__aside {
  position: relative; background: var(--brand-900); color: #fff; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; padding: 64px 60px;
}
.authwrap__aside::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 520px at 18% 12%, rgba(56,164,218,.3), transparent 62%);
}
.authwrap__aside > * { position: relative; z-index: 2; }
.authwrap__aside h2 { color: #fff; font-size: 32px; letter-spacing: -0.02em; }
.authwrap__aside p { color: rgba(255,255,255,.68); margin-top: 18px; max-width: 380px; }
.authwrap__points { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 16px; }
.authwrap__points li { display: flex; gap: 12px; font-size: 14.5px; color: rgba(255,255,255,.82); }
.authwrap__points li::before {
  content: ""; width: 6px; height: 6px; margin-top: 10px; flex: none;
  background: #7fc4e8; transform: rotate(45deg);
}
.authwrap__main { display: grid; place-items: center; padding: 64px 24px; background: var(--bg-soft); }
.authcard {
  width: 100%; max-width: 430px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px 38px 42px; box-shadow: var(--shadow-sm);
}
.authcard h1 { font-size: 26px; letter-spacing: -0.02em; }
.authcard__sub { font-size: 14px; color: var(--ink-400); margin-top: 10px; margin-bottom: 28px; }

.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.tabs button {
  flex: 1; padding: 12px 4px; border: 0; background: none; cursor: pointer;
  font-size: 14.5px; color: var(--ink-400); position: relative; transition: color .22s;
}
.tabs button::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--brand-700); transform: scaleX(0); transition: transform .25s ease;
}
.tabs button.is-on { color: var(--brand-800); font-weight: 600; }
.tabs button.is-on::after { transform: scaleX(1); }
.tabpane { display: none; }
.tabpane.is-on { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0 } }

.divider {
  display: flex; align-items: center; gap: 14px; margin: 26px 0 20px;
  font-size: 12.5px; color: var(--ink-300);
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.wechat-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; height: 48px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: #fff; cursor: pointer; font-size: 14.5px; color: var(--ink-800); transition: .22s ease;
}
.wechat-btn:hover { border-color: #1aad19; color: #1aad19; background: #f5fdf5; }
.wechat-btn svg { width: 19px; height: 19px; }

.formnote { font-size: 12.5px; color: var(--ink-400); margin-top: 22px; line-height: 1.7; }
.formnote a { color: var(--brand-700); }

/* ---------- Account ---------- */
.acc-head {
  background: var(--brand-900); color: #fff; padding: 46px 0;
  position: relative; overflow: hidden;
}
.acc-head::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 340px at 85% -20%, rgba(56,164,218,.28), transparent 62%);
}
.acc-head .wrap { position: relative; z-index: 2; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.acc-head__avatar {
  width: 62px; height: 62px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--accent), #7fc4e8); color: #fff;
  display: grid; place-items: center; font-size: 24px; font-weight: 600;
}
.acc-head h1 { color: #fff; font-size: 25px; }
.acc-head p { color: rgba(255,255,255,.62); font-size: 13.5px; margin: 6px 0 0; word-break: break-all; }
.acc-head__actions { margin-left: auto; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 26px; border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.panel__head h3 { font-size: 17px; }
.panel__head span { font-size: 13px; color: var(--ink-400); }
.panel__body { padding: 8px 26px 26px; }

.reclist { list-style: none; padding: 0; margin: 0; }
.rec {
  padding: 20px 0; border-bottom: 1px solid var(--line);
}
.rec:last-child { border-bottom: 0; }
.rec__top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.rec__top b { font-size: 15.5px; color: var(--ink-900); font-weight: 600; }
.rec__date { margin-left: auto; font-size: 12.5px; color: var(--ink-400); }
.rec__meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink-500); }
.rec__msg {
  margin-top: 10px; font-size: 13.5px; color: var(--ink-600);
  background: var(--bg-soft); border-left: 2px solid var(--accent);
  padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0;
  white-space: pre-wrap; word-break: break-word;
}
.pill {
  display: inline-block; padding: 3px 11px; font-size: 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--brand-700); font-weight: 500;
}
.pill--gray { background: var(--bg-tint); color: var(--ink-500); }

.filelist { list-style: none; padding: 0; margin: 0; }
.filelist li {
  display: flex; align-items: center; gap: 14px; padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.filelist li:last-child { border-bottom: 0; }
.filelist svg { width: 18px; height: 18px; color: var(--brand-700); flex: none; }
.filelist__name { flex: 1; min-width: 0; }
.filelist__name b { display: block; font-size: 14px; color: var(--ink-800); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filelist__name span { font-size: 12.5px; color: var(--ink-400); }

.dropzone {
  border: 1px dashed var(--line-strong); border-radius: var(--radius);
  background: var(--bg-soft); padding: 30px; text-align: center; cursor: pointer;
  transition: .22s ease;
}
.dropzone:hover, .dropzone.is-over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone svg { width: 26px; height: 26px; color: var(--brand-700); margin: 0 auto 12px; }
.dropzone b { display: block; font-size: 14.5px; color: var(--ink-800); font-weight: 500; }
.dropzone span { font-size: 12.5px; color: var(--ink-400); }

/* ---------- Empty / loading ---------- */
.empty { text-align: center; padding: 46px 20px; color: var(--ink-400); font-size: 14px; }
.empty svg { width: 34px; height: 34px; margin: 0 auto 14px; opacity: .45; }

.skeleton {
  background: linear-gradient(90deg, var(--bg-tint) 25%, #e6eef4 37%, var(--bg-tint) 63%);
  background-size: 400% 100%; animation: sk 1.4s ease infinite; border-radius: var(--radius);
}
@keyframes sk { 0% { background-position: 100% 50% } 100% { background-position: 0 50% } }

/* ---------- Toast ---------- */
.toasts {
  position: fixed; top: 22px; left: 50%; transform: translateX(-50%);
  z-index: 200; display: flex; flex-direction: column; gap: 10px; align-items: center;
  pointer-events: none; width: max-content; max-width: 92vw;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: var(--radius);
  background: var(--ink-900); color: #fff; font-size: 14px;
  box-shadow: var(--shadow-lg); animation: toastin .3s cubic-bezier(.2,.8,.2,1);
}
.toast svg { width: 16px; height: 16px; flex: none; }
.toast--ok svg { color: #5fd08a; }
.toast--err svg { color: #ff8a80; }
.toast--info svg { color: #7fc4e8; }
@keyframes toastin { from { opacity: 0; transform: translateY(-12px) } }

/* ---------- Footer ---------- */
.footer { background: #061c2e; color: rgba(255,255,255,.6); padding: 68px 0 0; font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 46px; padding-bottom: 52px; }
.footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 20px; font-weight: 600; letter-spacing: .04em; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer a:hover { color: #fff; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__en { color: rgba(255,255,255,.4); }
.footer__desc { max-width: 330px; line-height: 1.85; font-size: 13.5px; }
.footer__prod li { font-size: 13.5px; }
.footer__contact li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.7; }
.footer__contact svg { width: 15px; height: 15px; flex: none; margin-top: 5px; opacity: .55; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; font-size: 12.5px; color: rgba(255,255,255,.42);
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero h1 { font-size: 42px; }
  .split { gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 38px; }
}

@media (max-width: 900px) {
  .nav { display: none; position: absolute; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); padding: 8px 16px 16px; }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .navtoggle { display: flex; }
  .header__actions .btn { display: none; }
  .section { padding: 72px 0; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split, .prod { grid-template-columns: 1fr; gap: 36px; }
  .prod { padding: 52px 0; }
  .prod--rev .prod__media { order: 0; }
  .split--rev .split__media { order: 0; }
  .split__media--frame::after { display: none; }
  .authwrap { grid-template-columns: 1fr; }
  .authwrap__aside { display: none; }
  .hero__meta { grid-template-columns: 1fr; gap: 22px; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .hero { min-height: 560px; }
  .hero h1 { font-size: 32px; }
  .hero__sub { font-size: 15px; }
  .section-head h2, .split h2, .cta h2 { font-size: 25px; }
  .pagehead h1 { font-size: 28px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
  .topbar__list { gap: 14px; font-size: 11.5px; }
  .topbar__list .hide-sm { display: none; }
  .form-card { padding: 28px 22px 30px; }
  .authcard { padding: 30px 22px 32px; }
  .spec__row { grid-template-columns: 110px 1fr; gap: 12px; }
  .acc-head__actions { margin-left: 0; }
  .card { padding: 26px 22px; }
}

/* ===== 钠化膜颜色系列展示 ===== */
.filmcolor {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .3s ease, transform .3s ease;
}
.filmcolor:hover {
  box-shadow: 0 18px 40px -18px rgba(11, 56, 96, .25);
  transform: translateY(-3px);
}
.filmcolor__main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-soft);
}
.filmcolor__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.filmcolor:hover .filmcolor__main img { transform: scale(1.04); }
.filmcolor__thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 10px 12px 0;
}
.filmcolor__thumbs button {
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: none;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  opacity: .65;
  transition: opacity .2s ease, border-color .2s ease;
}
.filmcolor__thumbs button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.filmcolor__thumbs button:hover { opacity: 1; }
.filmcolor__thumbs button.is-on {
  border-color: var(--brand-800);
  opacity: 1;
}
.filmcolor__body {
  padding: 16px 18px 20px;
}
.filmcolor__body h3 {
  display: inline;
  font-size: 18px;
  margin-left: 8px;
  color: var(--ink, #12222f);
}
.filmcolor__dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  vertical-align: -2px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.12);
}
.filmcolor__body p {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-400);
}

/* ===== 产品分类分组 ===== */
.prodgroup {
  padding: 64px 0 8px;
}
.prodgroup:first-child { padding-top: 24px; }
.prodgroup h2 {
  font-size: 27px;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.prodgroup p {
  font-size: 15px;
  color: var(--ink-500);
  max-width: 640px;
  margin: 0;
}
.pindex__label {
  align-self: center;
  padding: 9px 10px 9px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-400);
  letter-spacing: .06em;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.pindex__label::after {
  content: "";
  width: 1px;
  height: 18px;
  background: var(--line-strong);
}

/* ===== 首页新闻卡片 ===== */
.card--news { display: flex; flex-direction: column; }
.card--news .pill { align-self: flex-start; margin-bottom: 14px; }
.card--news h3 { font-size: 17.5px; line-height: 1.5; margin-bottom: 10px; }
.card--news h3 a { color: inherit; transition: color .22s ease; }
.card--news h3 a:hover { color: var(--brand-700); }
.card--news p { font-size: 14px; margin-bottom: 18px; }
.card--news .link-arrow { margin-top: auto; }
.newsdate {
  display: block;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--ink-400);
  margin-bottom: 10px;
}

/* ===== 新闻页列表 ===== */
.newslist { max-width: 860px; }
.newsitem {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.newsitem:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.newsitem.is-open { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.newsitem__head {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px 26px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.newsitem__date {
  flex: none;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ink-400);
}
.newsitem__head .pill { flex: none; }
.newsitem__head h3 {
  flex: 1;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--ink-800);
  font-weight: 500;
  transition: color .2s ease;
}
.newsitem__head:hover h3 { color: var(--brand-700); }
.newsitem__chev {
  flex: none;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink-400);
  transition: transform .28s ease, color .2s ease, border-color .2s ease;
}
.newsitem__chev svg { width: 15px; height: 15px; }
.newsitem.is-open .newsitem__chev {
  transform: rotate(180deg);
  color: var(--brand-700);
  border-color: var(--brand-700);
}
.newsitem__body {
  display: none;
  padding: 4px 26px 30px;
}
.newsitem.is-open .newsitem__body { display: block; }
.newsitem__summary {
  font-size: 14.5px;
  color: var(--brand-800);
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 20px;
}
.newsitem__body p { font-size: 14.5px; line-height: 1.95; color: var(--ink-600); }
.newsitem__body p + p { margin-top: 14px; }

@media (max-width: 620px) {
  .newsitem__head { flex-wrap: wrap; gap: 10px; padding: 18px 18px; }
  .newsitem__head h3 { flex: 1 1 100%; order: 3; }
  .newsitem__chev { position: absolute; }
  .newsitem__body { padding: 2px 18px 24px; }
  .newsitem { position: relative; }
  .prodgroup { padding: 44px 0 4px; }
}

/* ===== 产品详情图库（应用场景图） ===== */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; display: block; border-radius: var(--radius); aspect-ratio: 1 / 1; object-fit: cover; }
.gallery figcaption { font-size: 12.5px; color: var(--ink-600); margin-top: 8px; text-align: center; line-height: 1.5; }
@media (max-width: 960px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .gallery { gap: 10px; } }

/* ===== 首页颜色系列：五种常规颜色 ===== */
.colorseries { margin-top: 64px; }
.colorseries__head { text-align: center; margin-bottom: 26px; }
.colorseries__head h3 { font-size: 24px; letter-spacing: -0.01em; margin-top: 10px; }
.colorrow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.colorrow__item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.colorrow__item:hover { border-color: var(--line-strong); box-shadow: 0 6px 18px rgba(16, 40, 64, .07); }
.colorrow__item img { width: 100%; display: block; aspect-ratio: 1 / 1; object-fit: cover; }
.colorrow__item h4 { font-size: 15px; margin: 0; padding: 14px 16px 4px; }
.colorrow__item p { font-size: 12.5px; color: var(--ink-600); margin: 0; padding: 0 16px 16px; line-height: 1.6; }
@media (max-width: 960px) { .colorrow { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .colorrow { grid-template-columns: repeat(2, 1fr); } .colorseries { margin-top: 44px; } }

/* ===== 颜色系列详情页 ===== */
a.colorrow__item { display: block; color: inherit; text-decoration: none; }
.cdetail__specs { margin-top: 66px; }
.cdetail__specs h3, .cdetail__gallery h3 { font-size: 22px; letter-spacing: -0.01em; margin-top: 10px; }
.cdetail__specs .spec { margin-top: 24px; }
.cdetail__note { margin-top: 16px; font-size: 13.5px; color: var(--ink-600); line-height: 1.7; }
.cdetail__gallery { margin-top: 58px; }
.gallery--3 { grid-template-columns: repeat(3, 1fr); }
.cdetail__nav { margin-top: 58px; }
.colornav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.colornav__item { display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; font-size: 13.5px; color: inherit; text-decoration: none; transition: border-color .2s; }
.colornav__item:hover { border-color: var(--line-strong); }
.colornav__item.is-on { border-color: var(--ink-600); font-weight: 600; }
.colornav__dot { width: 12px; height: 12px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .14); flex: none; }
@media (max-width: 960px) { .cdetail__specs, .cdetail__gallery, .cdetail__nav { margin-top: 44px; } }

/* ===== 产品页：彩色膜（细分系列） ===== */
.subseries { margin: 42px 0 66px; padding: 30px 32px 32px; background: var(--bg-soft); border-radius: var(--radius); border: 1px solid var(--line); }
.subseries__head h4 { font-size: 19px; letter-spacing: -0.01em; margin-top: 8px; }
.subseries__head p { margin-top: 10px; font-size: 14px; color: var(--ink-600); line-height: 1.75; max-width: 720px; }
.subseries__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.subseries__item { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: inherit; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.subseries__item:hover { border-color: var(--line-strong); box-shadow: 0 6px 18px rgba(16, 40, 64, .07); }
.subseries__item img { width: 100%; display: block; aspect-ratio: 4 / 3; object-fit: cover; }
.subseries__name { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 15px; font-weight: 600; padding: 14px 16px 4px; }
.subseries__name svg { flex: none; opacity: .55; }
.subseries__desc { display: block; font-size: 12.5px; color: var(--ink-600); padding: 0 16px 16px; line-height: 1.6; }
@media (max-width: 960px) { .subseries__row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .subseries { padding: 22px 18px 24px; } .subseries__row { grid-template-columns: 1fr; } }

/* ===== 首屏 banner 轮播切换 ===== */
.hero__nav {
  position: absolute; z-index: 3; right: 40px; bottom: 36px;
  display: flex; gap: 10px;
}
.hero__dot {
  appearance: none; border: 1px solid rgba(255,255,255,.28);
  background: rgba(8, 32, 54, .42); backdrop-filter: blur(4px);
  color: rgba(255,255,255,.78); border-radius: var(--radius);
  padding: 10px 16px 9px; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: 2px; min-width: 132px;
  transition: background .25s, border-color .25s, color .25s;
}
.hero__dot b { font-size: 13.5px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.hero__dot span { font-size: 11.5px; color: rgba(255,255,255,.55); white-space: nowrap; }
.hero__dot:hover { border-color: rgba(255,255,255,.55); color: #fff; }
.hero__dot.is-on {
  background: rgba(255,255,255,.94); border-color: rgba(255,255,255,.94); color: #0a2438;
}
.hero__dot.is-on span { color: rgba(10,36,56,.62); }
@media (max-width: 1160px) { .hero__dot { min-width: 0; padding: 9px 12px; } .hero__dot span { display: none; } }
@media (max-width: 960px) { .hero__nav { right: 22px; bottom: 22px; } }
@media (max-width: 620px) {
  .hero__nav { left: 16px; right: 16px; bottom: 16px; gap: 6px; }
  .hero__dot { flex: 1; justify-content: center; align-items: center; text-align: center; padding: 8px 4px; }
  .hero__dot b { font-size: 11px; white-space: normal; line-height: 1.3; }
}

/* ===== 首屏 banner 独立文案切换 ===== */
.hero__copys { display: grid; }
.hero__copy {
  grid-area: 1 / 1;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .55s ease;
}
.hero__copy.is-on { opacity: 1; visibility: visible; pointer-events: auto; }

/* ---- 品牌图片标记 / 微信二维码 ---- */
.brand__mark__img { display: block; height: 19px; width: auto; }
.footer__qr { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.footer__qr img {
  width: 76px; height: 76px; flex: none; background: #fff;
  border-radius: 8px; padding: 5px;
}
.footer__qr span { font-size: 12px; line-height: 1.6; color: rgba(255,255,255,.55); }
.infobox--qr { align-items: center; }
.infobox__qr {
  width: 88px; height: 88px; flex: none; background: #fff;
  border: 1px solid var(--line); border-radius: 10px; padding: 6px;
}
/* ---- 产品页图库：缩略图悬停预览 ---- */
.gallery--preview { display: flex; gap: 16px; align-items: stretch; }
.gallery__stage {
  flex: 1 1 auto; position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft);
}
.gallery__big { width: 100%; display: block; aspect-ratio: 4 / 3; object-fit: cover; }
.gallery__cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 16px;
  background: linear-gradient(to top, rgba(8, 24, 40, .78), rgba(8, 24, 40, 0));
  color: #fff; font-size: 13.5px; line-height: 1.5;
}
.gallery__hint {
  position: absolute; right: 12px; top: 12px; padding: 5px 11px; border-radius: 999px;
  background: rgba(8, 24, 40, .55); color: #fff; font-size: 12px; backdrop-filter: blur(2px);
}
.gallery__thumbs { flex: 0 0 196px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.gallery__thumb {
  margin: 0; cursor: pointer; overflow: hidden; border-radius: var(--radius);
  border: 2px solid var(--line); background: #fff; transition: border-color .18s, box-shadow .18s;
}
.gallery__thumb img { width: 100%; display: block; aspect-ratio: 1 / 1; object-fit: cover; }
.gallery__thumb.is-on, .gallery__thumb:hover {
  border-color: var(--brand-700); box-shadow: 0 4px 12px rgba(16, 40, 64, .12);
}
@media (max-width: 860px) {
  .gallery--preview { flex-direction: column; }
  .gallery__thumbs { flex: none; width: 100%; grid-template-columns: repeat(4, 1fr); }
}

/* =============================================================================
 * 新闻筛选与分批加载（20261009n）
 * ========================================================================== */
.newsfilter { max-width: 860px; margin: 0 0 24px; }
.newsfilter__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.newsfilter__label {
  flex: none;
  margin-right: 2px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-400);
}
.newschip {
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink-600);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.newschip:hover { border-color: var(--brand-600); color: var(--brand-700); }
.newschip.is-on {
  background: var(--brand-700);
  border-color: var(--brand-700);
  color: #fff;
}
.newsitem__prod {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--brand-700);
  border-bottom: 1px dashed var(--brand-600);
  transition: color .2s ease;
}
.newsitem__prod:hover { color: var(--brand-600); }
.newsitem__prod::before { content: "关联产品："; color: var(--ink-400); }
.newsmore { max-width: 860px; text-align: center; padding-top: 6px; }
.newsmore .btn { min-width: 240px; }
.newscount {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-400);
}