/*
Theme Name: Zeroy GDtokin
Theme URI: https://furniturehardwareoem.com
Description: GDtokin 品牌子主题（父主题 Zeroy）。承载教程第 17 步产品页 9 板块结构与 B 端视觉规范。
Author: GDtokin
Template: zeroy
Version: 1.0.0
Text Domain: zeroy-gdtokin
*/

/* ---------------------------------------------------------------
   设计令牌：只允许改这两个主色（第 17 步色值锁）
--------------------------------------------------------------- */
:root {
    --red: #d72531;
    --red-dark: #b51c27;
    --navy: #1d2c3a;
    --ink: #1d2c3a;
    --ink-2: #3f4f5f;
    --ink-3: #6b7a88;
    --line: #e3e6ea;
    --surface: #f5f6f7;
    --surface-2: #eef1f4;
    --white: #fff;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(29, 44, 58, .06), 0 4px 14px rgba(29, 44, 58, .05);
    --shadow-md: 0 10px 30px rgba(29, 44, 58, .10);
    --wrap: 1200px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------------------------------------------------------------
   Reset / base
--------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--red); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.2; letter-spacing: -.01em; color: var(--navy); font-weight: 700; }
h1 { font-size: clamp(28px, 3.6vw, 44px); }
h2 { font-size: clamp(23px, 2.5vw, 32px); }
h3 { font-size: 19px; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }

.gdt-wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.gdt-section { padding: 64px 0; }
.gdt-section--surface { background: var(--surface); }
.gdt-section--tight { padding: 44px 0; }
.gdt-kicker {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 12px;
}
.gdt-section-head { max-width: 760px; margin-bottom: 32px; }
.gdt-section-head p { color: var(--ink-2); margin: 0; }

/* ---------------------------------------------------------------
   按钮（B 端话术：Get a Quote / Request Samples / Talk to Engineers）
--------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 22px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
    text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-dark); color: #fff; }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: #16232e; color: #fff; }
.btn--ghost { background: transparent; color: var(--navy); border-color: #c9d0d7; }
.btn--ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn--wa { background: #1f9d55; color: #fff; }
.btn--wa:hover { background: #198247; color: #fff; }
.btn--block { width: 100%; }

/* ---------------------------------------------------------------
   页头：信息条 + 主导航
--------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--line);
}
.site-topbar { background: var(--navy); color: #cfd8e0; font-size: 12.5px; }
.site-topbar__inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 7px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.site-topbar__note { letter-spacing: .02em; }
.site-topbar__links { display: flex; align-items: center; gap: 14px; }
.site-topbar__links a { color: #e8eef3; font-weight: 500; }
.site-topbar__links a:hover { color: #fff; text-decoration: underline; }
.site-topbar__sep { width: 1px; height: 12px; background: rgba(255,255,255,.25); }
.site-header__inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 24px;
    height: 68px;
    display: flex;
    align-items: center;
    gap: 26px;
}
.site-brand { display: flex; align-items: center; gap: 10px; }
.site-brand__mark {
    width: 38px; height: 38px; flex: 0 0 auto;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--red); color: #fff;
    font-size: 20px; font-weight: 800;
    border-radius: 9px;
}
.site-brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.site-brand__name { font-size: 19px; font-weight: 800; letter-spacing: -.02em; color: var(--navy); }
.site-brand__tag { font-size: 10px; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); margin-top: 3px; white-space: nowrap; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.site-nav a { font-size: 14px; font-weight: 500; color: var(--ink-2); padding: 6px 0; border-bottom: 2px solid transparent; white-space: nowrap; }
.site-nav a:hover { color: var(--navy); border-bottom-color: var(--red); }
.site-header__cta { display: flex; align-items: center; gap: 10px; }
.site-header__cta .btn { padding: 10px 16px; font-size: 14px; white-space: nowrap; }
.site-nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 12px; font-size: 13px; font-weight: 600; color: var(--navy); font-family: inherit; cursor: pointer; }

/* ---------------------------------------------------------------
   页脚
--------------------------------------------------------------- */
.site-footer { background: var(--navy); color: #cfd8e0; margin-top: 0; }
.site-footer a { color: #cfd8e0; }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 56px 24px 32px;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 36px;
}
.site-footer h4 { color: #fff; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 9px; font-size: 14px; }
.site-footer__brand p { font-size: 14px; color: #aebbc7; max-width: 320px; }
.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 18px 24px 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    font-size: 12.5px;
    color: #93a3b1;
}

/* ---------------------------------------------------------------
   产品页 · 面包屑
--------------------------------------------------------------- */
.pdp-crumbs { background: var(--surface); border-bottom: 1px solid var(--line); }
.pdp-crumbs__inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 12px 24px;
    font-size: 13px;
    color: var(--ink-3);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}
.pdp-crumbs__inner a { color: var(--ink-3); }
.pdp-crumbs__inner a:hover { color: var(--red); }
.pdp-crumbs__sep { color: #b9c2cb; }
.pdp-crumbs__now { color: var(--navy); font-weight: 600; }

/* ---------------------------------------------------------------
   产品页 ① Hero
--------------------------------------------------------------- */
.pdp-hero { padding: 40px 0 48px; }
.pdp-hero__grid {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.pdp-hero__media {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
}
.pdp-hero__media img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.pdp-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.pdp-thumb {
    width: 72px; height: 72px; padding: 0; background: #fff;
    border: 2px solid var(--line); border-radius: var(--radius-sm);
    cursor: pointer; overflow: hidden; display: inline-flex;
}
.pdp-thumb img { width: 100%; height: 100%; object-fit: contain; }
.pdp-thumb:hover { border-color: #e0a6aa; }
.pdp-thumb.is-active { border-color: var(--red); box-shadow: 0 0 0 2px rgba(215, 37, 49, .12); }
.pdp-hero__body h1 { margin-bottom: 14px; }
.pdp-hero__lead { font-size: 17px; color: var(--ink-2); margin-bottom: 18px; }
.pdp-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; }
.pdp-chips li {
    font-size: 13px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 13px;
    color: var(--ink-2);
}
.pdp-chips strong { color: var(--navy); font-weight: 700; }
.pdp-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.pdp-assure { font-size: 13px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; padding: 0; list-style: none; }
.pdp-assure li { display: flex; align-items: center; gap: 6px; }
.pdp-assure svg { flex: 0 0 auto; color: var(--red); }

/* ---------------------------------------------------------------
   产品页 ② 图文 + 规格参数表
--------------------------------------------------------------- */
.pdp-detail__grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 44px;
    align-items: start;
}
.pdp-prose p:last-child { margin-bottom: 0; }
.fac-specs { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.fac-specs caption { text-align: left; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); padding-bottom: 10px; font-weight: 700; }
.fac-specs th, .fac-specs td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.fac-specs tr:last-child th, .fac-specs tr:last-child td { border-bottom: 0; }
.fac-specs th { width: 42%; background: var(--surface); font-weight: 600; color: var(--ink); }
.fac-specs td { color: var(--ink-2); }
.pdp-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-top: 28px; }
.pdp-gallery img { width: 100%; aspect-ratio: 1/1; object-fit: contain; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px; }

/* ---------------------------------------------------------------
   产品页 ③ 差异化卖点网格
--------------------------------------------------------------- */
.pdp-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pdp-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}
.pdp-card__icon {
    width: 38px; height: 38px; border-radius: 9px;
    background: rgba(215, 37, 49, .08); color: var(--red);
    display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.pdp-card h3 { font-size: 16px; margin-bottom: 6px; }
.pdp-card p { font-size: 14px; color: var(--ink-2); margin: 0; }

/* ---------------------------------------------------------------
   产品页 ④ 数字信任带
--------------------------------------------------------------- */
/* ---------------------------------------------------------------
   产品页 ②b 应用与行业
--------------------------------------------------------------- */
.pdp-uses { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; }
.pdp-uses__block h3 { font-size: 15px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.pdp-chips2 { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.pdp-chips2 li {
    font-size: 14px; font-weight: 600; color: var(--navy);
    background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--red);
    border-radius: 6px; padding: 9px 14px;
}
.pdp-chips2--navy li { border-left-color: var(--navy); color: var(--ink-2); }

/* ---------------------------------------------------------------
   产品页 ④b OEM 定制流程
--------------------------------------------------------------- */
.pdp-process {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
    margin: 0; padding: 0; list-style: none; counter-reset: none;
}
.pdp-process li {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 22px 18px; position: relative;
}
.pdp-process__step {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--navy); color: #fff;
    font-size: 13px; font-weight: 700; letter-spacing: .04em;
    margin-bottom: 12px;
}
.pdp-process li:nth-child(5) .pdp-process__step { background: var(--red); }
.pdp-process h3 { font-size: 15.5px; margin-bottom: 8px; }
.pdp-process p { font-size: 13.5px; color: var(--ink-2); margin: 0; line-height: 1.55; }

/* ---------------------------------------------------------------
   产品页 ④ 数字信任带
--------------------------------------------------------------- */
.pdp-numbers { background: var(--navy); color: #fff; }
.pdp-numbers__grid {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 48px 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}
.pdp-numbers__item strong { display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.pdp-numbers__item span { display: block; font-size: 13px; color: #a9b7c4; margin-top: 8px; letter-spacing: .04em; }
.pdp-numbers__item strong em { color: var(--red); font-style: normal; }

/* ---------------------------------------------------------------
   产品页 · Buying guide
--------------------------------------------------------------- */
.pdp-guide { max-width: 900px; }
.pdp-guide h3 { font-size: 18px; }
.pdp-guide ul { columns: 2; column-gap: 36px; }
.pdp-guide li { break-inside: avoid; margin-bottom: 12px; color: var(--ink-2); }

/* ---------------------------------------------------------------
   产品页 ⑧ FAQ 手风琴
--------------------------------------------------------------- */
.pdp-faq { max-width: 880px; margin: 0 auto; }
.pdp-faq details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 0 20px;
    margin-bottom: 12px;
}
.pdp-faq details[open] { border-color: #cfd6de; box-shadow: var(--shadow-sm); }
.pdp-faq summary {
    list-style: none;
    cursor: pointer;
    padding: 17px 30px 17px 0;
    font-weight: 600;
    color: var(--navy);
    position: relative;
}
.pdp-faq summary::-webkit-details-marker { display: none; }
.pdp-faq summary::after {
    content: "+";
    position: absolute; right: 0; top: 50%; transform: translateY(-50%);
    font-size: 22px; font-weight: 400; color: var(--red); line-height: 1;
}
.pdp-faq details[open] summary::after { content: "\2212"; }
.pdp-faq .pdp-faq__a { padding: 0 0 18px; color: var(--ink-2); font-size: 14.5px; }
.pdp-faq .pdp-faq__a p:last-child { margin-bottom: 0; }

/* ---------------------------------------------------------------
   产品页 · 关联产品
--------------------------------------------------------------- */
.pdp-related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pdp-rel {
    border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    background: #fff; display: flex; flex-direction: column;
    transition: box-shadow .18s ease, border-color .18s ease;
}
.pdp-rel:hover { border-color: #c9d1d9; box-shadow: var(--shadow-sm); }
.pdp-rel__img { background: var(--surface); padding: 12px; }
.pdp-rel__img img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.pdp-rel__body { padding: 14px 16px 18px; }
.pdp-rel h3 { font-size: 14.5px; font-weight: 600; margin: 0 0 6px; line-height: 1.4; }
.pdp-rel span { font-size: 12.5px; color: var(--ink-3); }

/* ---------------------------------------------------------------
   产品页 ⑨ 强 CTA + 表单
--------------------------------------------------------------- */
.pdp-quote { background: var(--surface); border-top: 1px solid var(--line); }
.pdp-quote__grid {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 64px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.pdp-quote__copy h2 { margin-bottom: 14px; }
.pdp-quote__copy > p { color: var(--ink-2); }
.pdp-contact { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.pdp-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; }
.pdp-contact svg { flex: 0 0 auto; color: var(--red); margin-top: 3px; }
.pdp-contact strong { display: block; color: var(--navy); }
.pdp-contact span { color: var(--ink-3); font-size: 13px; }

.pdp-form {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow-md);
}
.pdp-form h3 { font-size: 17px; margin-bottom: 4px; }
.pdp-form__hint { font-size: 13px; color: var(--ink-3); margin-bottom: 18px; }
.pdp-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pdp-form label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.pdp-form input, .pdp-form select, .pdp-form textarea {
    width: 100%; padding: 11px 13px; font-size: 14.5px; font-family: inherit;
    border: 1px solid #d3dae1; border-radius: var(--radius-sm); color: var(--ink);
    background: #fff; margin-bottom: 14px;
}
.pdp-form input:focus, .pdp-form select:focus, .pdp-form textarea:focus {
    outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(215, 37, 49, .10);
}
.pdp-form textarea { min-height: 96px; resize: vertical; }
.pdp-form__note { font-size: 12px; color: var(--ink-3); margin: 12px 0 0; }
.pdp-form__ok {
    background: #eaf7ef; border: 1px solid #b7e2c6; color: #14663a;
    border-radius: var(--radius-sm); padding: 12px 14px; font-size: 14px; margin-bottom: 16px;
}
.pdp-form__err {
    background: #fdecee; border: 1px solid #f5c2c7; color: #8a1c25;
    border-radius: var(--radius-sm); padding: 12px 14px; font-size: 14px; margin-bottom: 16px;
}
.hp-field { position: absolute !important; left: -9999px !important; }

/* 移动端吸底 CTA */
.pdp-sticky {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
    display: none; gap: 10px; padding: 10px 14px;
    background: rgba(255, 255, 255, .98); border-top: 1px solid var(--line);
    box-shadow: 0 -4px 18px rgba(29, 44, 58, .08);
}
.pdp-sticky .btn { flex: 1; padding: 12px 8px; font-size: 14px; }

/* ---------------------------------------------------------------
   响应式
--------------------------------------------------------------- */
@media (max-width: 1080px) {
    .pdp-hero__grid { grid-template-columns: 1fr; gap: 32px; }
    .pdp-hero__media { order: -1; }
    .pdp-detail__grid { grid-template-columns: 1fr; gap: 32px; }
    .pdp-highlights { grid-template-columns: repeat(2, 1fr); }
    .pdp-related { grid-template-columns: repeat(2, 1fr); }
    .pdp-uses { grid-template-columns: 1fr; gap: 26px; }
    .pdp-process { grid-template-columns: repeat(2, 1fr); }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
    .site-topbar__note { display: none; }
    .site-topbar__inner { justify-content: center; }
    .site-nav { display: none; }
    .site-header__inner { height: 60px; gap: 12px; }
    .site-brand__tag { display: none; }
    .site-brand__mark { width: 32px; height: 32px; font-size: 17px; border-radius: 7px; }
    .site-header__cta { margin-left: auto; }
    .site-header__cta .btn { padding: 8px 12px; font-size: 13px; }
    .site-nav-toggle { display: inline-flex; align-items: center; }
    .site-nav.is-open {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin: 0;
        padding: 10px 24px 16px;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 12px 24px rgba(29, 44, 58, .08);
    }
    .site-nav.is-open a { padding: 9px 0; font-size: 15px; width: 100%; white-space: normal; border-bottom: 1px solid #f0f2f4; }
    .site-nav.is-open a:last-child { border-bottom: 0; }
    .pdp-numbers__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 40px 24px; }
    .pdp-quote__grid { grid-template-columns: 1fr; gap: 32px; padding: 48px 24px; }
    .pdp-guide ul { columns: 1; }
    .pdp-sticky { display: flex; }
    body { padding-bottom: 64px; }
}

@media (max-width: 560px) {
    .gdt-section { padding: 44px 0; }
    .pdp-highlights { grid-template-columns: 1fr; }
    .pdp-related { grid-template-columns: 1fr; }
    .pdp-process { grid-template-columns: 1fr; }
    .pdp-form { padding: 20px; }
    .pdp-form__row { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr; gap: 26px; }
}

/* ===============================================================
   列表页（分类 / 归档 / 行业 / 应用）与首页
   2026-10-20 新增，与产品页共用同一套设计令牌
=============================================================== */
.screen-reader-text {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- 面包屑 ---------- */
.gdt-crumbs-bar { background: var(--surface); border-bottom: 1px solid var(--line); }
.gdt-crumbs { font-size: 12.5px; color: var(--ink-3); padding: 11px 0; }
.gdt-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; padding: 0; }
.gdt-crumbs li { display: flex; align-items: center; gap: 8px; }
.gdt-crumbs li + li::before { content: "/"; color: #c2cad2; }
.gdt-crumbs a { color: var(--ink-3); }
.gdt-crumbs a:hover { color: var(--red); }
.gdt-crumbs li[aria-current] { color: var(--navy); font-weight: 600; }

/* ---------- 分类页 Hero ---------- */
.cat-hero { padding: 44px 0 40px; border-bottom: 1px solid var(--line); }
.cat-hero__inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
.cat-hero__copy h1 { margin-bottom: 14px; max-width: 20ch; }
.cat-hero__intro { font-size: 16.5px; color: var(--ink-2); max-width: 680px; margin-bottom: 18px; }
.cat-hero__meta { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 26px; margin: 0 0 24px; padding: 0; font-size: 13.5px; color: var(--ink-3); }
.cat-hero__meta li { display: flex; align-items: baseline; gap: 6px; }
.cat-hero__meta strong { color: var(--navy); font-size: 15.5px; font-weight: 700; }
.cat-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.cat-brief { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.cat-brief h2 { font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; font-weight: 700; }
.cat-brief ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.cat-brief li { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; color: var(--ink-2); }
.cat-brief li svg { flex: 0 0 auto; color: var(--red); margin-top: 3px; }
.cat-brief__note { font-size: 13px; color: var(--ink-3); margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--line); }
.cat-brief__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.cat-brief__links a {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 9px 0; font-size: 14px; font-weight: 500; color: var(--ink-2); border-bottom: 1px solid #f0f2f4;
}
.cat-brief__links li:last-child a { border-bottom: 0; }
.cat-brief__links a:hover { color: var(--red); }
.cat-brief__links span { font-size: 12px; color: var(--ink-3); }

/* ---------- 分类 chips ---------- */
.cat-chips { background: #fff; border-bottom: 1px solid var(--line); }
.cat-chips__inner { display: flex; align-items: center; gap: 10px; padding-top: 14px; padding-bottom: 14px; overflow-x: auto; }
.cat-chips__label { flex: 0 0 auto; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; }
.cat-chip {
    flex: 0 0 auto; display: inline-flex; align-items: center; gap: 7px;
    padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px;
    font-size: 13px; font-weight: 500; color: var(--ink-2); background: #fff; white-space: nowrap;
}
.cat-chip:hover { border-color: var(--navy); color: var(--navy); }
.cat-chip.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }
.cat-chip__n { font-size: 11px; padding: 1px 6px; border-radius: 999px; background: var(--surface-2); color: var(--ink-3); }
.cat-chip.is-active .cat-chip__n { background: rgba(255,255,255,.16); color: #dfe7ee; }

/* ---------- 产品卡片网格 ---------- */
.p-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(238px, 1fr)); gap: 20px; }
.p-card {
    display: flex; flex-direction: column; background: #fff;
    border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.p-card:hover { border-color: #c9d1d9; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.p-card__media { display: block; background: var(--surface); padding: 14px; }
.p-card__media img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.p-card__noimg { display: flex; align-items: center; justify-content: center; aspect-ratio: 1/1; color: var(--ink-3); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.p-card__body { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px 16px; flex: 1; }
.p-card__cat { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; }
.p-card__title { font-size: 14.5px; font-weight: 600; line-height: 1.4; color: var(--navy); }
.p-card__specs { display: flex; flex-direction: column; gap: 3px; }
.p-card__spec { font-size: 12.5px; color: var(--ink-3); line-height: 1.45; }
.p-card__cta { margin-top: auto; padding-top: 10px; font-size: 13px; font-weight: 600; color: var(--red); display: inline-flex; align-items: center; gap: 5px; }

/* ---------- 分页 ---------- */
.gdt-pager { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; margin-top: 40px; }
.gdt-pager .page-numbers {
    min-width: 38px; padding: 9px 12px; text-align: center; font-size: 13.5px; font-weight: 600;
    color: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff;
}
.gdt-pager .page-numbers:hover { border-color: var(--navy); color: var(--navy); }
.gdt-pager .page-numbers.current { background: var(--navy); border-color: var(--navy); color: #fff; }
.gdt-pager .page-numbers.dots { border-color: transparent; background: transparent; }

/* ---------- 空态 ---------- */
.cat-empty {
    text-align: center; max-width: 620px; margin: 0 auto; padding: 56px 24px;
    background: var(--surface); border: 1px dashed #cfd7df; border-radius: var(--radius);
}
.cat-empty h2 { margin-bottom: 10px; }
.cat-empty p { color: var(--ink-2); margin-bottom: 22px; }
.cat-empty__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- 底部询盘区 ---------- */
.cat-cta { background: var(--surface); border-top: 1px solid var(--line); }
.cat-cta__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; padding: 64px 24px; }
.cat-cta__inner > div:first-child h2 { margin-bottom: 12px; }
.cat-cta__inner > div:first-child p { color: var(--ink-2); max-width: 460px; }

/* ---------- 产品总览：搜索 ---------- */
.cat-search { display: flex; gap: 10px; margin: 0 0 22px; max-width: 620px; }
.cat-search input[type="search"] {
    flex: 1; min-width: 0; padding: 12px 14px; font-size: 14.5px; font-family: inherit;
    border: 1px solid #d3dae1; border-radius: var(--radius-sm); background: #fff; color: var(--ink);
}
.cat-search input[type="search"]:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(215,37,49,.10); }
.cat-search .btn { padding: 12px 20px; font-size: 14px; }

/* ---------- 分类卡片（首页 / 总览） ---------- */
.range-strip { padding: 8px 0 4px; }
.range-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 16px; }
.range-card {
    display: flex; flex-direction: column; background: #fff;
    border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.range-card:hover { border-color: #c9d1d9; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.range-card__media { display: block; background: var(--surface); padding: 12px; }
.range-card__media img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.range-card__body { display: flex; flex-direction: column; gap: 4px; padding: 12px 14px 15px; flex: 1; }
.range-card__name { font-size: 13.5px; font-weight: 600; color: var(--navy); line-height: 1.35; }
.range-card__n { font-size: 12px; color: var(--ink-3); }
.range-card__cta { margin-top: auto; padding-top: 8px; font-size: 12.5px; font-weight: 600; color: var(--red); display: inline-flex; align-items: center; gap: 4px; }

/* ===============================================================
   首页
=============================================================== */
.home-hero { padding: 54px 0 64px; background: linear-gradient(180deg, #fbfcfd 0%, #f4f6f8 100%); border-bottom: 1px solid var(--line); }
.home-hero__inner { display: grid; grid-template-columns: 1.06fr .94fr; gap: 52px; align-items: center; }
.home-hero__copy h1 { font-size: clamp(29px, 3.5vw, 44px); line-height: 1.14; margin-bottom: 16px; max-width: 22ch; }
.home-hero__lead { font-size: 16.5px; color: var(--ink-2); max-width: 540px; margin-bottom: 22px; }
.home-hero__points { list-style: none; margin: 0 0 26px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.home-hero__points li { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; color: var(--ink-2); line-height: 1.45; }
.home-hero__points li svg { flex: 0 0 auto; color: var(--red); margin-top: 2px; }
.home-hero__points strong { color: var(--navy); }
.home-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.home-hero__note { font-size: 12.5px; color: var(--ink-3); margin: 0; }

.home-hero__visual { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hv-card {
    display: flex; flex-direction: column; gap: 8px; padding: 14px 14px 12px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
}
.hv-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.hv-card img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.hv-card span { font-size: 11.5px; color: var(--ink-3); letter-spacing: .02em; line-height: 1.35; }
.hv-card--1 { margin-top: -14px; }
.hv-card--4 { margin-bottom: -14px; }

/* 行业 / 应用覆盖 */
.cover-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.cover-col h3 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; font-weight: 700; }
.cover-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 9px; }
.cover-chips a {
    display: inline-flex; align-items: center; gap: 7px; padding: 8px 13px;
    background: #fff; border: 1px solid var(--line); border-radius: 999px;
    font-size: 13px; font-weight: 500; color: var(--ink-2);
}
.cover-chips a:hover { border-color: var(--red); color: var(--red); }
.cover-chips span { font-size: 11px; color: var(--ink-3); }
.cover-more { margin: 16px 0 0; font-size: 13px; }
.cover-more a { color: var(--red); font-weight: 600; }

/* 生产流程 */
.flow-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.flow-grid li { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--navy); border-radius: var(--radius); padding: 20px 18px 22px; }
.flow-grid li:last-child { border-top-color: var(--red); }
.flow-n { display: block; font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--red); margin-bottom: 10px; }
.flow-grid h3 { font-size: 14.5px; line-height: 1.35; margin-bottom: 8px; }
.flow-grid p { font-size: 13px; color: var(--ink-2); margin: 0; line-height: 1.55; }

/* 数字带 */
.home-numbers { background: var(--navy); color: #fff; }
.home-numbers__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; padding: 46px 24px; text-align: center; }
.home-numbers strong { display: block; font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.home-numbers span { display: block; font-size: 12.5px; color: #a9b7c4; margin-top: 8px; letter-spacing: .04em; }

/* FAQ */
.home-faq { max-width: 880px; }
.home-faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 10px; }
.home-faq details[open] { border-color: #cfd6de; box-shadow: var(--shadow-sm); }
.home-faq summary { cursor: pointer; padding: 15px 46px 15px 18px; font-size: 15px; font-weight: 600; color: var(--navy); position: relative; list-style: none; }
.home-faq summary::-webkit-details-marker { display: none; }
.home-faq summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: 400; color: var(--ink-3); }
.home-faq details[open] summary::after { content: "\2212"; }
.home-faq details p { padding: 0 18px 16px; margin: 0; font-size: 14.5px; color: var(--ink-2); }

/* 多渠道联系 */
.home-contact { background: var(--surface); border-top: 1px solid var(--line); }
.home-contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; padding: 64px 24px; }
.home-contact__copy h2 { margin-bottom: 12px; }
.home-contact__copy > p { color: var(--ink-2); max-width: 460px; }
.home-contact__channels { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 15px; }
.home-contact__channels li { display: flex; align-items: flex-start; gap: 11px; }
.home-contact__channels svg { flex: 0 0 auto; color: var(--red); margin-top: 2px; }
.home-contact__channels strong { display: block; color: var(--navy); font-size: 14.5px; }
.home-contact__channels span span { color: var(--ink-3); font-size: 12.5px; }

@media (max-width: 1080px) {
    .cat-hero__inner { grid-template-columns: 1fr; gap: 30px; }
    .cat-hero__copy h1 { max-width: none; }
    .home-hero__inner { grid-template-columns: 1fr; gap: 34px; }
    .home-hero__visual { order: 2; max-width: 560px; }
    .home-hero__copy h1 { max-width: none; }
    .cover-grid { grid-template-columns: 1fr; gap: 32px; }
    .flow-grid { grid-template-columns: repeat(3, 1fr); }
    .home-numbers__grid { grid-template-columns: repeat(3, 1fr); gap: 26px; }
    .cat-cta__inner, .home-contact__grid { grid-template-columns: 1fr; gap: 32px; padding: 48px 24px; }
}

@media (max-width: 860px) {
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
    .home-hero__points { grid-template-columns: 1fr; }
    .gdt-section { padding: 48px 0; }
    .cat-hero { padding: 32px 0; }
    .home-hero { padding: 36px 0 48px; }
    .hv-card--1 { margin-top: 0; }
    .hv-card--4 { margin-bottom: 0; }
}

@media (max-width: 560px) {
    .home-numbers__grid { grid-template-columns: repeat(2, 1fr); gap: 22px; padding: 36px 20px; }
    .flow-grid { grid-template-columns: 1fr; }
    .cat-hero__meta { gap: 6px 18px; }
    .cat-search { flex-direction: column; }
    .cat-search .btn { width: 100%; }
    .p-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
    .p-card__body { padding: 12px 12px 14px; }
    .p-card__title { font-size: 13.5px; }
    .range-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}

/* ===============================================================
   17.15 静态页（About / Contact / FAQ）
=============================================================== */

/* 顶栏公司入口（窄屏收起，手机用页脚） */
.site-topbar__util { display: inline-flex; align-items: center; gap: 14px; }

/* About：正文 + 事实卡 */
.about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; }
.about-grid__prose h2 { margin-top: 2px; }
.about-grid__prose p { color: var(--ink-2); }
.about-grid__facts {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 26px 12px;
}
.about-grid__facts h3 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.about-grid__facts dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; font-size: 14px; }
.about-grid__facts dt { color: var(--ink-3); white-space: nowrap; }
.about-grid__facts dd { margin: 0; color: var(--navy); font-weight: 600; }

/* flow-grid 4 列变体（About 用） */
.flow-grid--4 { grid-template-columns: repeat(4, 1fr); }
.flow-grid--4 li:last-child { border-top-color: var(--navy); }
.flow-grid--4 li:nth-child(4) { border-top-color: var(--red); }

/* Contact / FAQ 页补充 */
.contact-page__tip { margin-top: 22px; font-size: 14px; color: var(--ink-3); }
.contact-page__tip a { color: var(--navy); font-weight: 600; }
.faq-group { max-width: 880px; margin-bottom: 40px; }
.faq-group:last-child { margin-bottom: 0; }
.faq-group__title { font-size: 20px; margin-bottom: 14px; }
.faq-group__title::after { content: ""; display: block; width: 42px; height: 3px; background: var(--red); border-radius: 2px; margin-top: 8px; }
.faq-group .home-faq { max-width: none; }
.cat-cta__side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px 8px; font-size: 14.5px; }
.cat-cta__side p { margin-bottom: 16px; }

@media (max-width: 1080px) {
    .about-grid { grid-template-columns: 1fr; gap: 34px; }
    .flow-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .site-topbar__util { display: none; }
}
@media (max-width: 560px) {
    .flow-grid--4 { grid-template-columns: 1fr; }
    .about-grid__facts { padding: 20px 20px 8px; }
}

/* ---------- 首页视频板块（第 20 步处理后上线） ---------- */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.video-card { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.video-card video { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; background: var(--surface); }
.video-card figcaption { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; font-size: 13.5px; color: var(--ink-2); }
.video-card figcaption a { color: var(--red); font-weight: 600; white-space: nowrap; }
@media (max-width: 1080px) { .video-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; } }
@media (max-width: 860px) { .video-grid { grid-template-columns: 1fr; max-width: 480px; } }

/* ---------- About 页产品特写条 ---------- */
.about-media { padding: 0 0 8px; background: var(--bg, #fff); }
.about-media__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.about-media__item { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.about-media__item img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.about-media__item figcaption { padding: 11px 14px 13px; font-size: 13px; line-height: 1.45; color: var(--ink-2); }
@media (max-width: 1080px) { .about-media__grid { gap: 12px; } }
@media (max-width: 860px) {
    .about-media__grid { grid-template-columns: 1fr 1fr; }
    .about-media__grid .about-media__item:last-child { display: none; }
}

/* ---------- 关联区底部分类回链 ---------- */
.pdp-related__more { margin: 18px 0 0; font-size: 13.5px; }
.pdp-related__more a { color: var(--red); font-weight: 600; text-decoration: none; }
.pdp-related__more a:hover { text-decoration: underline; }

/* ---------- 详情大图 + 视频（产品详情页 2026-10-21） ---------- */
.gdt-link { color: var(--red); font-weight: 600; text-decoration: none; }
.gdt-link:hover { text-decoration: underline; }
.pdp-more-shots { margin: 18px 0 0; font-size: 13.5px; }
.pdp-shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pdp-shot { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.pdp-shot a { display: block; background: var(--surface); }
.pdp-shot img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: contain; padding: 10px; }
.pdp-shot figcaption { padding: 10px 14px 12px; font-size: 12.5px; color: var(--ink-3); border-top: 1px solid var(--line); }
.pdp-shot:only-child { grid-column: 1 / -1; max-width: 640px; }
.pdp-video { max-width: 720px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.pdp-video video { display: block; width: 100%; height: auto; background: #0d1620; }
@media (max-width: 860px) {
    .pdp-shots { grid-template-columns: 1fr; gap: 16px; }
}

/* ---------- 单图详情区（81 页只有一张原厂主图的产品）2026-10-21 ---------- */
.pdp-solo { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: start; }
.pdp-solo .pdp-shot--solo { max-width: none; }
.pdp-solo .pdp-shot--solo img { padding: 14px; }
.pdp-facts { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px 28px; box-shadow: var(--shadow-sm); }
.pdp-facts__head { margin: 0 0 14px; font-size: 18px; letter-spacing: -.01em; }
.pdp-facts__list { margin: 0 0 16px; padding: 0; }
.pdp-facts__list > div { display: grid; grid-template-columns: 42% 58%; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.pdp-facts__list > div:last-child { border-bottom: 0; }
.pdp-facts__list dt { color: var(--ink-3); font-size: 13px; text-transform: uppercase; letter-spacing: .07em; }
.pdp-facts__list dd { margin: 0; font-size: 14.5px; color: var(--ink); }
.pdp-facts__note { margin: 0 0 18px; font-size: 13.5px; color: var(--ink-2); }
.pdp-facts__cta { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 860px) {
    .pdp-solo { grid-template-columns: 1fr; gap: 22px; }
}