/* ============================================================
   工业仓库设计 · Industrial Depot
   LOFT工业风 / 配色：水泥灰 #8f8f8f · 锈橙 #c96f3c · 黑 #222
   ============================================================ */
:root {
  --cement: #8f8f8f;
  --rust: #c96f3c;
  --black: #222222;
  --dark: #1b1b1b;
  --paper: #e8e4dd;
  --text: #3a3a3a;
  --line: rgba(255,255,255,.14);
  --sans: "DIN Condensed", "Arial Narrow", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font: "DIN Condensed", "Arial Narrow", "Microsoft YaHei", "PingFang SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--paper);
  background:
    linear-gradient(rgba(34,34,34,.82), rgba(34,34,34,.82)),
    url('../images/hero.jpg') center/cover no-repeat,
    var(--dark);
  line-height: 1.7;
  overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(rgba(143,143,143,.14) 1px, transparent 1.6px) 0 0/9px 9px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 14px 40px; font-size: 15px; letter-spacing: 3px;
  cursor: pointer; transition: .3s; border: 1px solid transparent;
  text-transform: uppercase; font-weight: 700;
}
.btn-rust { background: var(--rust); color: #fff; border-color: var(--rust); }
.btn-rust:hover { background: transparent; color: var(--rust); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(27, 27, 27, .95);
  border-bottom: 3px solid var(--rust);
}
.site-nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 3px;
  background: repeating-linear-gradient(90deg, transparent 0 40px, rgba(143,143,143,.5) 40px 50px);
}
.site-nav.scrolled { box-shadow: 0 8px 24px rgba(0,0,0,.5); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-bolt {
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  background: var(--rust); color: #fff; font-size: 22px;
  border: 2px solid #fff;
}
.logo-text { font-size: 22px; font-weight: 900; letter-spacing: 2px; color: #fff; }
.logo-text span { display: block; font-size: 10px; color: var(--cement); letter-spacing: 4px; font-weight: 400; }
.nav-links { display: flex; gap: 34px; }
.nav-links a {
  position: relative; font-size: 15px; letter-spacing: 2px; color: #d8d8d8; padding: 8px 0; font-weight: 700;
}
.nav-links a::before {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 3px; background: var(--rust); transition: .3s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a:hover::before, .nav-links a.active::before { width: 100%; }
.nav-toggle { display: none; background: none; border: 2px solid var(--rust); padding: 7px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 4px 0; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero 铁皮牌匾 ---------- */
.hero { position: relative; min-height: 94vh; display: flex; align-items: center; padding: 100px 0 60px; }
/* 背景图与渐变由 VE 直接铺在 section 上（ve_bg），此 div 仅作格栅装饰，不拦截点击 */
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.hero-grate {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(90deg, transparent 0 34px, rgba(0,0,0,.3) 34px 36px),
              repeating-linear-gradient(0deg, transparent 0 34px, rgba(0,0,0,.3) 34px 36px);
  opacity: .5;
}
.signboard {
  position: relative; max-width: 760px; padding: 50px 46px;
  background: linear-gradient(150deg, #3a3a3a, #262626 55%, #333);
  border: 4px solid #555; outline: 2px solid #777; outline-offset: 6px;
  box-shadow: inset 0 0 0 2px #1b1b1b, 0 30px 60px rgba(0,0,0,.6);
}
.sign-top { color: var(--rust); letter-spacing: 4px; font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.hero-title {
  font-size: clamp(52px, 8vw, 96px); font-weight: 900; line-height: 1.05; color: #fff;
  text-transform: uppercase; letter-spacing: 2px;
}
.hero-title .accent { color: var(--rust); }
.hero-sub { color: #c9c9c9; font-size: 17px; margin: 18px 0 30px; letter-spacing: 1px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.sign-code { color: #555; letter-spacing: 8px; margin-top: 26px; font-size: 12px; }

/* 铆钉 */
.rivet {
  position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #9a9a9a, #555 60%, #222);
  box-shadow: 0 1px 0 rgba(255,255,255,.25) inset;
}
.rv1 { top: -8px; left: -8px; } .rv2 { top: -8px; right: -8px; }
.rv3 { bottom: -8px; left: -8px; } .rv4 { bottom: -8px; right: -8px; }

/* ---------- 章节通用 ---------- */
.section { padding: 96px 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.head-code { display: block; color: var(--rust); letter-spacing: 3px; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.section-head h2 {
  font-size: 38px; font-weight: 900; color: #fff; letter-spacing: 4px; text-transform: uppercase;
}
.section-head h2::after { content: ""; display: block; width: 70px; height: 4px; background: var(--rust); margin: 16px auto 0; }
.section-head p { margin-top: 16px; color: #b0b0b0; font-size: 16px; }
/* 管线装饰线 */
.section::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; z-index: 2;
  background:
    linear-gradient(90deg, var(--rust) 0 8px, transparent 8px 12px) 0 0/60px 100% no-repeat,
    linear-gradient(180deg, #4a4a4a 0 2px, #2b2b2b 2px 4px, #4a4a4a 4px 6px);
  opacity: .7;
}

/* 金属波纹板横条 */
.corrugated {
  height: 46px; background: #3a3a3a;
  background-image: linear-gradient(90deg, transparent 0 14px, rgba(255,255,255,.06) 14px 16px, transparent 16px 30px);
  background-size: 60px 100%;
  border-top: 3px solid #555; border-bottom: 3px solid #555;
  position: relative;
}
.corrugated::before { content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, #2e2e2e 0 26px, #404040 26px 52px);
  opacity: .4; }

/* ---------- 工业美学 ---------- */
.aesthetic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.aes-card {
  background: #262626; border: 1px solid #484848; padding: 34px 24px; text-align: center;
  position: relative; transition: .3s;
}
.aes-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: repeating-linear-gradient(90deg, var(--rust) 0 12px, transparent 12px 24px);
}
.aes-card:hover { transform: translateY(-8px); border-color: var(--rust); }
.aes-ico { font-size: 40px; color: var(--rust); display: block; margin-bottom: 12px; }
.aes-card h3 { font-size: 19px; color: #fff; font-weight: 900; letter-spacing: 2px; margin-bottom: 8px; }
.aes-card p { font-size: 14px; color: #b0b0b0; }

/* ---------- 服务 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  position: relative; display: block; background: #232323; padding: 30px 24px 24px;
  border: 3px solid #4a4a4a; transition: .3s;
}
/* 角铁边框 */
.service-card::before, .service-card::after {
  content: ""; position: absolute; width: 16px; height: 16px; border: 3px solid var(--rust);
}
.service-card::before { top: -3px; left: -3px; border-right: none; border-bottom: none; }
.service-card::after { bottom: -3px; right: -3px; border-left: none; border-top: none; }
/* 螺栓 */
.service-card .sv-tag { position: absolute; top: -12px; left: 18px; background: var(--rust); color: #fff;
  font-size: 11px; letter-spacing: 2px; padding: 3px 10px; font-weight: 900; }
.service-card:hover { transform: translateY(-8px); border-color: var(--rust); }
.service-card h3 { font-size: 19px; color: #fff; font-weight: 900; letter-spacing: 2px; margin: 8px 0; }
.service-card p { font-size: 14px; color: #b0b0b0; }
.sv-line { display: block; margin-top: 16px; height: 3px; background: repeating-linear-gradient(90deg, #555 0 10px, transparent 10px 20px); }

/* ---------- 作品 ---------- */
.works-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.work-card { background: #232323; border: 3px solid #4a4a4a; padding: 10px; position: relative; transition: .3s; }
.work-card:hover { transform: translateY(-8px); }
.work-card::before {
  content: ""; position: absolute; inset: -7px; border: 1px dashed #555; pointer-events: none;
}
.work-img { height: 240px; background-size: cover; background-position: center; border: 1px solid #3a3a3a; }
.work-card figcaption { text-align: center; padding: 12px 4px 6px; }
.work-card h3 { font-size: 16px; color: #fff; letter-spacing: 1px; }
.work-card p { font-size: 12px; color: var(--rust); letter-spacing: 2px; margin-top: 4px; font-weight: 700; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: #232323; border: 1px solid #454545; overflow: hidden; transition: .3s; }
.news-card:hover { transform: translateY(-8px); border-color: var(--rust); }
.news-img { height: 210px; background-size: cover; background-position: center; filter: grayscale(.4); }
.news-body { padding: 22px; }
.news-body time { font-size: 13px; color: var(--rust); letter-spacing: 1px; font-weight: 700; }
.news-body h3 { font-size: 18px; color: #fff; margin: 8px 0; line-height: 1.5; }
.news-body p { font-size: 14px; color: #b0b0b0; }

/* ---------- 联系 CTA ---------- */
.contact-cta { background: #1d1d1d; border-top: 1px solid #3a3a3a; }
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: 40px; font-weight: 900; color: #fff; text-transform: uppercase; letter-spacing: 3px; }
.cta-inner .accent { color: var(--rust); }
.cta-inner p { color: #b0b0b0; margin: 14px 0 30px; }

/* ---------- 页面横幅 ---------- */
.page-banner {
  position: relative; min-height: 46vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding-top: 74px; color: #fff;
  background-position: center; background-size: cover;
}
/* 深色遮罩由 ve_bg 的 overlay 参数提供，此处不再重复叠加 */
.page-banner::before { content: ""; position: absolute; inset: 0; background: transparent; }
.page-banner::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 46px;
  background: repeating-linear-gradient(90deg, transparent 0 14px, rgba(255,255,255,.05) 14px 16px, transparent 16px 30px);
  background-size: 60px 100%; opacity: .5; }
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: 50px; font-weight: 900; text-transform: uppercase; letter-spacing: 6px; }
.page-banner h1::after { content: ""; display: block; width: 80px; height: 4px; background: var(--rust); margin: 18px auto; }
.page-banner p { color: #c0c0c0; letter-spacing: 4px; }
.page-banner .crumbs { margin-top: 18px; color: #b0b0b0; letter-spacing: 2px; font-size: 14px; }
.page-banner .crumbs a:hover { color: var(--rust); }

/* ---------- 关于 ---------- */
.brief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.brief-text .head-code { text-align: left; }
.brief-text h2 { font-size: 36px; font-weight: 900; color: #fff; text-transform: uppercase; letter-spacing: 3px; margin-bottom: 16px; }
.brief-text p { color: #b0b0b0; margin-bottom: 14px; }
.brief-list li { padding: 9px 0 9px 24px; position: relative; border-bottom: 1px dashed #454545; font-size: 15px; color: #d8d8d8; }
.brief-list li::before { content: "▸"; position: absolute; left: 0; color: var(--rust); }
.photo-iron {
  position: relative; min-height: 420px; background-size: cover; background-position: center;
  border: 6px solid #4a4a4a; box-shadow: inset 0 0 0 2px #1b1b1b, 18px 22px 40px rgba(0,0,0,.5);
  background-blend-mode: multiply; background-color: rgba(60,60,60,.2);
}

/* ---------- 数据 ---------- */
.section-grey { background: #242424; border-top: 1px solid #3a3a3a; border-bottom: 1px solid #3a3a3a; }
.counters-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.counter { padding: 30px 10px; border: 2px solid #454545; background: #1f1f1f; position: relative; }
.counter::before { content: ""; position: absolute; left: -2px; top: -2px; bottom: -2px; width: 4px; background: var(--rust); }
.counter strong { font-size: 56px; font-weight: 900; color: #fff; }
.counter span { display: block; color: var(--rust); letter-spacing: 3px; font-size: 14px; margin-top: 6px; font-weight: 700; }

/* ---------- 团队 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.team-card { background: #232323; border: 1px solid #454545; text-align: center; padding-bottom: 20px; position: relative; overflow: hidden; transition: .3s; }
.team-card:hover { transform: translateY(-8px); }
.team-photo { height: 240px; background-size: cover; background-position: center; filter: grayscale(.7); transition: .4s; }
.team-card:hover .team-photo { filter: grayscale(0); }
.team-card h3 { font-size: 19px; color: #fff; margin-top: 14px; font-weight: 900; }
.team-card p { font-size: 13px; color: var(--rust); margin: 4px 0 6px; font-weight: 700; letter-spacing: 1px; }
.team-card span { font-size: 13px; color: #b0b0b0; padding: 0 16px; display: block; }

/* ---------- 标准 ---------- */
.std-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.std-card { background: #232323; border: 3px solid #4a4a4a; padding: 34px 28px; position: relative; }
.std-card::before, .std-card::after { content: ""; position: absolute; width: 16px; height: 16px; border: 3px solid var(--rust); }
.std-card::before { top: -3px; left: -3px; border-right: none; border-bottom: none; }
.std-card::after { bottom: -3px; right: -3px; border-left: none; border-top: none; }
.std-card span { font-size: 46px; font-weight: 900; color: rgba(201,111,60,.35); line-height: 1; }
.std-card h3 { font-size: 21px; color: #fff; font-weight: 900; margin: 12px 0 8px; }
.std-card p { font-size: 14px; color: #b0b0b0; }

/* ---------- 产品页 ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card {
  background: #232323; border: 3px solid #4a4a4a; position: relative; transition: .3s;
}
.product-card::before {
  content: ""; position: absolute; inset: 6px; border: 1px dashed #555; pointer-events: none; z-index: 1;
}
.product-card:hover { transform: translateY(-8px); border-color: var(--rust); }
.product-img { height: 220px; background-size: cover; background-position: center; filter: grayscale(.35); }
.product-body { padding: 22px 22px 20px; position: relative; }
.tag { display: inline-block; font-size: 11px; color: #fff; background: var(--rust); padding: 3px 10px; letter-spacing: 2px; font-weight: 900; }
.product-body h3 { font-size: 21px; color: #fff; font-weight: 900; margin: 12px 0 8px; }
.product-body h3 a { color: inherit; }
.product-body p { font-size: 14px; color: #b0b0b0; }
.price { margin-top: 12px; color: var(--rust) !important; font-weight: 900; letter-spacing: 1px; font-size: 16px !important; }

/* ---------- 流程 ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.p-step { background: #232323; border: 2px solid #454545; padding: 30px 20px; text-align: center; position: relative; }
.p-step span { font-size: 44px; font-weight: 900; color: rgba(201,111,60,.4); line-height: 1; }
.p-step h3 { font-size: 18px; color: #fff; font-weight: 900; margin: 10px 0 6px; }
.p-step p { font-size: 13px; color: #b0b0b0; }
.p-step::after { content: "→"; position: absolute; right: -16px; top: 50%; transform: translateY(-50%); color: var(--rust); font-size: 24px; font-weight: 900; }
.p-step:last-child::after { display: none; }

/* ---------- 新闻页 ---------- */
.news-filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 46px; }
.news-filter button {
  background: transparent; border: 2px solid #555; color: #c9c9c9;
  padding: 9px 26px; font-size: 14px; letter-spacing: 2px; cursor: pointer; font-weight: 700; transition: .3s;
}
.news-filter button.active, .news-filter button:hover { background: var(--rust); border-color: var(--rust); color: #fff; }
.news-list-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.news-item {
  display: grid; grid-template-columns: 300px 1fr; background: #232323;
  border: 1px solid #454545; transition: .3s; overflow: hidden;
}
.news-item:hover { transform: translateY(-6px); border-color: var(--rust); }
.news-item .news-img { min-height: 200px; background-size: cover; background-position: center; filter: grayscale(.4); }
.news-item .news-body { padding: 24px; position: relative; }
.news-item .news-body time { font-size: 13px; color: var(--rust); font-weight: 700; letter-spacing: 1px; }
.cat { float: right; font-size: 11px; color: #fff; background: #3a3a3a; border: 1px solid #555; padding: 2px 10px; letter-spacing: 2px; }
.news-item h3 { font-size: 20px; color: #fff; font-weight: 900; line-height: 1.5; margin: 10px 0 8px; }
.news-item h3 a { color: inherit; }
.news-item p { font-size: 14px; color: #b0b0b0; }
.news-item a.more { display: inline-block; margin-top: 12px; color: var(--rust); letter-spacing: 1px; font-weight: 700; font-size: 14px; }
.news-item a.more:hover { color: #fff; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; }
.contact-info .head-code { text-align: left; }
.contact-info h2 { font-size: 34px; font-weight: 900; color: #fff; text-transform: uppercase; letter-spacing: 3px; margin-bottom: 14px; }
.contact-info > p { color: #b0b0b0; margin-bottom: 22px; }
.contact-list li { padding: 12px 0; border-bottom: 1px dashed #454545; font-size: 15px; color: #d8d8d8; }
.contact-list b { display: inline-block; min-width: 96px; color: var(--rust); letter-spacing: 2px; font-weight: 900; }
.contact-map { margin-top: 22px; height: 190px; background-size: cover; background-position: center; position: relative; border: 3px solid #4a4a4a; filter: grayscale(.5); }
.contact-map span { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(27,27,27,.85); color: #d8d8d8; text-align: center; padding: 7px; letter-spacing: 2px; font-size: 13px; }
.contact-form-wrap { background: #232323; border: 3px solid #4a4a4a; padding: 40px 36px; position: relative; }
.contact-form-wrap::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background: repeating-linear-gradient(90deg, var(--rust) 0 16px, transparent 16px 32px); }
.contact-form-wrap h3 { font-size: 24px; font-weight: 900; color: #fff; letter-spacing: 2px; margin-bottom: 6px; }
.contact-form-wrap > p { color: #b0b0b0; font-size: 14px; margin-bottom: 22px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: #d8d8d8; margin-bottom: 6px; letter-spacing: 1px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; font-family: inherit; font-size: 15px;
  border: 1px solid #4a4a4a; background: #1c1c1c; color: #fff; transition: .3s;
}
.field select option { background: #1c1c1c; color: #fff; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--rust); background: #141414; }
.err { display: none; color: #ff7a5c; font-size: 12px; margin-top: 4px; }
.field.invalid input, .field.invalid textarea { border-color: #ff7a5c; }
.field.invalid .err { display: block; }
.form-tip { text-align: center; margin-top: 14px; font-weight: 700; letter-spacing: 2px; }
.form-success { text-align: center; padding: 14px; margin-bottom: 20px; border: 2px solid #7ac36a; color: #7ac36a; font-weight: 700; letter-spacing: 2px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #161616; padding: 60px 0 0; border-top: 3px solid var(--rust); }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand h3 { font-size: 20px; color: #fff; letter-spacing: 2px; font-weight: 900; }
.footer-brand p { color: #888; font-size: 11px; letter-spacing: 3px; margin-top: 4px; }
.footer-links, .footer-info { display: flex; flex-direction: column; gap: 8px; }
.footer-links h4, .footer-info h4 { color: var(--rust); letter-spacing: 3px; margin-bottom: 8px; font-weight: 900; font-size: 14px; }
.footer-links a { font-size: 14px; color: #c0c0c0; }
.footer-links a:hover { color: var(--rust); }
.footer-info p { font-size: 14px; color: #c0c0c0; }
.footer-bottom { border-top: 1px solid #3a3a3a; text-align: center; padding: 18px; font-size: 13px; color: #777; }

/* ---------- 回到顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 90;
  width: 46px; height: 46px; border: 2px solid var(--rust); background: rgba(27,27,27,.9);
  color: var(--rust); font-size: 16px; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(20px); transition: .35s;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--rust); color: #fff; }

/* ---------- 滚动动画 ---------- */
.reveal, .fade-in { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible, .fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---------- 产品筛选标签（cat-tabs） ---------- */
.cat-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 46px; }
.cat-tab {
  background: transparent; border: 2px solid #555; color: #c9c9c9;
  padding: 9px 26px; font-size: 14px; letter-spacing: 2px; cursor: pointer; font-weight: 700; transition: .3s;
}
.cat-tab.active, .cat-tab:hover { background: var(--rust); border-color: var(--rust); color: #fff; }

/* ============================================================
   CMS 详情/列表辅助类
   ============================================================ */
.cms-section { min-height: 320px; }
.cms-detail {
  background: #232323; border: 3px solid #4a4a4a; padding: 46px 42px; position: relative;
}
.cms-detail::before { content: ""; position: absolute; inset: 6px; border: 1px dashed #555; pointer-events: none; }
.cms-detail > * { position: relative; z-index: 1; }
.cms-detail img { border: 1px solid #3a3a3a; margin: 16px auto; }
.cms-detail h1 { font-size: 30px; font-weight: 900; color: #fff; letter-spacing: 3px; margin: 18px 0 10px; }
.cms-detail h2 { font-size: 24px; font-weight: 900; color: #fff; letter-spacing: 2px; margin: 26px 0 12px; }
.cms-detail h3 { font-size: 19px; font-weight: 900; color: #fff; letter-spacing: 1px; margin: 20px 0 8px; }
.cms-detail p { color: #c9c9c9; font-size: 15px; line-height: 1.9; margin-bottom: 14px; }
.cms-detail .lead { color: var(--rust); font-size: 16px; font-weight: 700; }
.cms-detail blockquote { border-left: 4px solid var(--rust); padding: 12px 18px; margin: 16px 0; background: #1d1d1d; color: #b0b0b0; }
.cms-detail ul, .cms-detail ol { margin: 12px 0 16px 22px; }
.cms-detail ul li, .cms-detail ol li { color: #c9c9c9; font-size: 15px; line-height: 1.9; list-style: disc; }
.cms-detail ol li { list-style: decimal; }
.cms-content a { color: var(--rust); text-decoration: underline; }

.cms-back {
  display: inline-block; margin-bottom: 18px; color: var(--rust); letter-spacing: 2px;
  font-weight: 700; font-size: 14px; border-bottom: 2px dashed rgba(201,111,60,.5);
  padding-bottom: 2px; transition: .3s;
}
.cms-back:hover { color: #fff; border-bottom-color: #fff; }

.spec-list { margin: 14px 0 22px !important; }
.spec-list li { list-style: none !important; padding: 10px 0 10px 22px; position: relative;
  border-bottom: 1px dashed #454545; font-size: 15px; color: #d8d8d8; }
.spec-list li::before { content: "▸"; position: absolute; left: 0; color: var(--rust); }
.spec-list b { color: var(--rust); font-weight: 900; }

.news-date-label {
  display: inline-block; margin-top: 8px; padding: 4px 14px; background: #3a3a3a;
  border: 1px solid #555; color: var(--rust); font-size: 13px; letter-spacing: 2px; font-weight: 700;
}

.cms-pager { margin-top: 46px; text-align: center; }
.cms-pager .pagination { display: inline-flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 0; padding: 0; list-style: none; }
.cms-pager .page-link {
  display: inline-flex; min-width: 42px; height: 42px; padding: 0 14px; align-items: center; justify-content: center;
  background: #232323; border: 2px solid #4a4a4a; color: #c9c9c9; font-size: 14px; font-weight: 700;
  letter-spacing: 1px; transition: .3s;
}
.cms-pager .page-item.active .page-link, .cms-pager .page-link:hover { background: var(--rust); border-color: var(--rust); color: #fff; }
.cms-pager .page-item.disabled .page-link { opacity: .4; pointer-events: none; }

.cms-grid { display: grid; gap: 22px; }
.cms-card { display: block; background: #232323; border: 2px solid #4a4a4a; padding: 22px 24px; transition: .3s; }
.cms-card:hover { transform: translateY(-4px); border-color: var(--rust); }
.cms-card h3 { font-size: 18px; color: #fff; font-weight: 900; margin-bottom: 8px; }
.cms-card p { font-size: 14px; color: #b0b0b0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .aesthetic-grid, .services-grid, .team-grid, .counters-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid, .products-grid, .news-list-grid, .brief-grid, .contact-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .p-step:nth-child(2)::after { display: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 74px; left: 0; right: 0; background: #1b1b1b;
    flex-direction: column; gap: 0; border-bottom: 3px solid var(--rust);
    max-height: 0; overflow: hidden; transition: max-height .4s ease;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links a { padding: 16px 24px; border-bottom: 1px dashed #454545; }
  .section { padding: 64px 0; }
  .signboard { padding: 36px 26px; }
  .news-item { grid-template-columns: 1fr; }
  .news-item .news-img { height: 200px; min-height: 0; }
  .cms-detail { padding: 30px 22px; }
}
@media (max-width: 520px) {
  .aesthetic-grid, .services-grid, .team-grid, .counters-grid, .works-grid, .std-grid, .process-grid { grid-template-columns: 1fr; }
  .p-step::after { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
}

/* ===== CMS global link-color reset (fixes default blue/underline) ===== */
a:has(h1), a:has(h2), a:has(h3), a:has(h4), a:has(img),
a.logo, a.logo *, .logo, .logo *,
a.news-thumb, a.news-thumb *, a.prod-thumb, a.prod-thumb *,
a.img-wrap, a.img-wrap *, a.thumb, a.thumb *, a.cover, a.cover *,
a[style*='background-image'], a[style*='background'],
a.card, a.card *, a.work-card, a.work-card *, a.product-card, a.product-card *,
a.news-card, a.news-card *, a.news-item, a.news-item *, a.case-card, a.case-card *,
a.service-card, a.service-card *, a.svc-card, a.svc-card *, a.item-card, a.item-card * {
  color: inherit !important;
  text-decoration: none !important;
}
a:has(h1):hover, a:has(h2):hover, a:has(h3):hover, a:has(h4):hover,
a.logo:hover, .logo:hover, a.card:hover, a.card *:hover,
a.news-thumb:hover, a.prod-thumb:hover, a.work-card:hover, a.product-card:hover,
a.news-card:hover, a.news-item:hover, a.case-card:hover, a.service-card:hover { color: inherit !important; }
a.prod-img-link, a.prod-img-link *,
a.img-link, a.img-link *, a.thumb-link, a.thumb-link *,
a.cover-link, a.cover-link *, a.media-link, a.media-link *,
a[class*='-thumb'], a[class*='-img'], a[class*='-cover'],
a[class*='thumb-'], a[class*='img-'],
a.img-side, a.img-side *, a.pic, a.pic *, a.pic-link, a.pic-link * {
  color: inherit !important;
  text-decoration: none !important;
}
/* ===== CMS heading-link reset (anchor inside heading) ===== */
h1 a, h2 a, h3 a, h4 a, h5 a {
  color: inherit !important;
  text-decoration: none !important;
}
h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover { color: inherit !important; }