/*
Theme Name: BOKLY 伯克利烘焙设备
Theme URI: https://www.bokly.cn
Author: 伯克利（广州）智能电器有限公司
Author URI: https://www.bokly.cn
Description: 伯克利烘焙设备官网主题 —— 烘焙门店 / 私房工作室设备一站式解决方案。参考 UNOX 中文站的工业简洁风格，面向百度收录与 GEO 优化。
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: bokly
Tags: 烘焙设备, 商用烤箱, 和面机, 醒发箱, 一站式解决方案
*/

/* ==========================================================================
   1. 变量与基础
   ========================================================================== */
:root {
    --bk-dark: #14181C;
    --bk-darker: #0B0E11;
    --bk-accent: #E4572E;
    --bk-accent-dark: #C8461F;
    --bk-text: #23282D;
    --bk-gray: #6B7280;
    --bk-light: #F5F6F7;
    --bk-line: #E5E7EB;
    --bk-white: #FFFFFF;
    --bk-shadow: 0 6px 28px rgba(16, 20, 24, .08);
    --bk-radius: 4px;
    --bk-max: 1280px;
    --bk-trans: all .28s ease;
}

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

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

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--bk-text);
    background: var(--bk-white);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--bk-trans); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.25; font-weight: 700; color: var(--bk-dark); letter-spacing: -.01em; }
h1 { font-size: 46px; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }

.bk-container { max-width: var(--bk-max); margin: 0 auto; padding: 0 24px; }
.bk-section { padding: 88px 0; }
.bk-section--light { background: var(--bk-light); }
.bk-section--dark { background: var(--bk-darker); color: #C9CFD6; }
.bk-section--dark h2, .bk-section--dark h3 { color: #fff; }

.screen-reader-text {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}

/* 区块标题 */
.bk-head { max-width: 760px; margin: 0 0 48px; }
.bk-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.bk-head .bk-eyebrow {
    display: inline-block; margin-bottom: 14px; font-size: 13px; font-weight: 600;
    letter-spacing: .16em; text-transform: uppercase; color: var(--bk-accent);
}
.bk-head p { color: var(--bk-gray); font-size: 17px; margin: 0; }
.bk-section--dark .bk-head p { color: #98A2AF; }

/* 按钮 */
.bk-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 15px 34px; font-size: 15px; font-weight: 600;
    border: 1px solid transparent; border-radius: var(--bk-radius);
    cursor: pointer; transition: var(--bk-trans);
}
.bk-btn--primary { background: var(--bk-accent); color: #fff; }
.bk-btn--primary:hover { background: var(--bk-accent-dark); transform: translateY(-2px); }
.bk-btn--ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.bk-btn--ghost:hover { background: #fff; color: var(--bk-dark); border-color: #fff; }
.bk-btn--outline { border-color: var(--bk-line); color: var(--bk-dark); background: #fff; }
.bk-btn--outline:hover { border-color: var(--bk-dark); }
.bk-btn--sm { padding: 11px 22px; font-size: 14px; }
.bk-btn--block { width: 100%; justify-content: center; }

/* ==========================================================================
   2. 头部 / 导航
   ========================================================================== */
.bk-header {
    position: sticky; top: 0; z-index: 900;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--bk-line);
}
.bk-header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.bk-logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.bk-logo__mark {
    width: 40px; height: 40px; border-radius: 3px; background: var(--bk-dark);
    color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 19px; letter-spacing: -.02em;
}
.bk-logo__text { line-height: 1.15; }
.bk-logo__cn { display: block; font-size: 19px; font-weight: 800; color: var(--bk-dark); letter-spacing: .02em; }
.bk-logo__en { display: block; font-size: 11px; letter-spacing: .22em; color: var(--bk-gray); text-transform: uppercase; }

.bk-nav { flex: 1 1 auto; display: flex; justify-content: flex-end; }
.bk-nav ul { display: flex; align-items: center; gap: 4px; }
.bk-nav li { position: relative; }
.bk-nav > ul > li > a {
    display: block; padding: 12px 16px; font-size: 15px; font-weight: 500; color: var(--bk-text);
    border-radius: 3px;
}
.bk-nav > ul > li > a:hover,
.bk-nav li.current-menu-item > a,
.bk-nav li.current-menu-parent > a { color: var(--bk-accent); }

.bk-submenu {
    position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
    background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius);
    box-shadow: var(--bk-shadow); padding: 8px; opacity: 0; visibility: hidden;
    transform: translateY(8px); transition: var(--bk-trans);
}
.bk-nav li:hover > .bk-submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.bk-submenu li a { display: block; padding: 10px 14px; font-size: 14px; border-radius: 3px; }
.bk-submenu li a:hover { background: var(--bk-light); color: var(--bk-accent); }

.bk-header__cta { flex: 0 0 auto; display: flex; align-items: center; gap: 14px; }
.bk-header__tel { font-size: 14px; color: var(--bk-gray); }
.bk-header__tel strong { display: block; font-size: 17px; color: var(--bk-dark); letter-spacing: .01em; }

.bk-burger { display: none; width: 44px; height: 44px; border: 1px solid var(--bk-line); background: #fff;
    border-radius: 3px; cursor: pointer; padding: 11px 10px; }
.bk-burger span { display: block; height: 2px; background: var(--bk-dark); border-radius: 2px; }
.bk-burger span + span { margin-top: 5px; }

/* ==========================================================================
   3. 首页 Hero
   ========================================================================== */
.bk-hero {
    position: relative; min-height: 620px; display: flex; align-items: center;
    background: linear-gradient(115deg, #0B0E11 0%, #171C21 46%, #21272E 100%);
    color: #fff; overflow: hidden;
}
.bk-hero__inner { position: relative; z-index: 2; padding: 110px 0; max-width: 720px; }
.bk-hero__eyebrow {
    display: inline-block; padding: 7px 16px; margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,.28); border-radius: 999px;
    font-size: 13px; letter-spacing: .12em; color: #EBD9D2;
}
.bk-hero h1 { color: #fff; font-size: 52px; line-height: 1.18; margin-bottom: 22px; }
.bk-hero h1 em { font-style: normal; color: var(--bk-accent); }
.bk-hero__desc { font-size: 18px; color: rgba(255,255,255,.82); max-width: 620px; margin-bottom: 34px; }
.bk-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.bk-hero__facts { display: flex; flex-wrap: wrap; gap: 40px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.16); }
.bk-hero__fact b { display: block; font-size: 28px; color: #fff; line-height: 1.2; }
.bk-hero__fact span { font-size: 13px; color: rgba(255,255,255,.6); letter-spacing: .04em; }

/* 首页价值条 */
.bk-strip { border-bottom: 1px solid var(--bk-line); background: #fff; }
.bk-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.bk-strip__item { padding: 34px 26px; border-right: 1px solid var(--bk-line); }
.bk-strip__item:last-child { border-right: 0; }
.bk-strip__item h3 { font-size: 17px; margin-bottom: 6px; }
.bk-strip__item p { margin: 0; font-size: 14px; color: var(--bk-gray); }

/* ==========================================================================
   4. 通用卡片 / 网格
   ========================================================================== */
.bk-grid { display: grid; gap: 26px; }
.bk-grid--2 { grid-template-columns: repeat(2, 1fr); }
.bk-grid--3 { grid-template-columns: repeat(3, 1fr); }
.bk-grid--4 { grid-template-columns: repeat(4, 1fr); }

.bk-card {
    background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius);
    overflow: hidden; transition: var(--bk-trans); display: flex; flex-direction: column;
}
.bk-card:hover { box-shadow: var(--bk-shadow); transform: translateY(-4px); border-color: #D8DCE1; }
.bk-card__media { background: var(--bk-light); aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 22px; }
.bk-card__media img { max-height: 100%; width: auto; object-fit: contain; transition: var(--bk-trans); }
.bk-card:hover .bk-card__media img { transform: scale(1.05); }
.bk-card__body { padding: 22px 24px 26px; flex: 1 1 auto; display: flex; flex-direction: column; }
.bk-card__cat { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--bk-accent); margin-bottom: 8px; }
.bk-card__body h3 { font-size: 19px; margin-bottom: 10px; }
.bk-card__body p { font-size: 14px; color: var(--bk-gray); flex: 1 1 auto; }
.bk-card__link { font-size: 14px; font-weight: 600; color: var(--bk-dark); display: inline-flex; gap: 6px; align-items: center; }
.bk-card:hover .bk-card__link { color: var(--bk-accent); gap: 10px; }

/* 适合领域卡片 */
.bk-scene {
    position: relative; display: block; min-height: 300px; padding: 34px 30px;
    background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius);
    transition: var(--bk-trans);
}
.bk-scene:hover { border-color: var(--bk-accent); box-shadow: var(--bk-shadow); }
.bk-scene__no { font-size: 13px; font-weight: 700; letter-spacing: .18em; color: var(--bk-accent); }
.bk-scene h3 { font-size: 22px; margin: 14px 0 12px; }
.bk-scene p { color: var(--bk-gray); font-size: 15px; }
.bk-scene ul { margin-top: 18px; }
.bk-scene li { position: relative; padding-left: 20px; font-size: 14px; color: #4B5563; margin-bottom: 8px; }
.bk-scene li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; background: var(--bk-accent); border-radius: 50%; }

/* 优势列表 */
.bk-adv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--bk-line); }
.bk-adv__item { background: #fff; padding: 36px 32px; }
.bk-adv__item h3 { font-size: 19px; margin-bottom: 10px; }
.bk-adv__item p { margin: 0; color: var(--bk-gray); font-size: 15px; }
.bk-adv__icon { font-size: 24px; color: var(--bk-accent); margin-bottom: 14px; display: block; }

/* ==========================================================================
   5. 资讯列表
   ========================================================================== */
.bk-news-list { border: 1px solid var(--bk-line); border-radius: var(--bk-radius); background: #fff; overflow: hidden; }
.bk-news-item { display: flex; align-items: center; gap: 22px; padding: 20px 26px; border-bottom: 1px solid var(--bk-line); }
.bk-news-item:last-child { border-bottom: 0; }
.bk-news-item:hover { background: var(--bk-light); }
.bk-news-item__date {
    flex: 0 0 auto; width: 78px; text-align: center; font-size: 13px; color: var(--bk-gray);
    border-right: 1px solid var(--bk-line); padding-right: 18px;
}
.bk-news-item__date b { display: block; font-size: 22px; color: var(--bk-dark); line-height: 1.1; }
.bk-news-item__title { flex: 1 1 auto; margin: 0; font-size: 17px; font-weight: 600; }
.bk-news-item__cat { font-size: 12px; color: var(--bk-accent); border: 1px solid #F3D2C7; border-radius: 999px; padding: 3px 12px; }
.bk-news-item:hover .bk-news-item__title { color: var(--bk-accent); }

.bk-pagination { display: flex; gap: 8px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.bk-pagination .page-numbers {
    min-width: 42px; height: 42px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--bk-line); border-radius: 3px; background: #fff; font-size: 14px;
}
.bk-pagination .page-numbers:hover { border-color: var(--bk-dark); }
.bk-pagination .page-numbers.current { background: var(--bk-dark); border-color: var(--bk-dark); color: #fff; }

/* ==========================================================================
   6. 内容页 / 文章
   ========================================================================== */
.bk-pagehead {
    background: var(--bk-darker); color: #fff; padding: 74px 0 60px;
    background-image: linear-gradient(115deg, rgba(11,14,17,.95), rgba(11,14,17,.76));
}
.bk-pagehead h1 { color: #fff; font-size: 40px; margin-bottom: 12px; }
.bk-pagehead p { color: rgba(255,255,255,.72); max-width: 700px; margin: 0; font-size: 17px; }
.bk-breadcrumb { font-size: 13px; color: rgba(255,255,255,.55); margin-bottom: 18px; }
.bk-breadcrumb a:hover { color: #fff; }

.bk-content { max-width: 880px; margin: 0 auto; }
.bk-content h2 { font-size: 26px; margin: 42px 0 16px; }
.bk-content h3 { font-size: 20px; margin: 32px 0 12px; }
.bk-content p, .bk-content li { font-size: 17px; line-height: 1.95; color: #374151; }
.bk-content ul, .bk-content ol { margin: 0 0 22px; padding-left: 22px; list-style: disc; }
.bk-content ol { list-style: decimal; }
.bk-content li { margin-bottom: 8px; }
.bk-content img { border-radius: var(--bk-radius); margin: 24px 0; }
.bk-content blockquote {
    margin: 28px 0; padding: 20px 26px; background: var(--bk-light);
    border-left: 3px solid var(--bk-accent); color: #374151;
}
.bk-content table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 15px; }
.bk-content th, .bk-content td { border: 1px solid var(--bk-line); padding: 12px 14px; text-align: left; }
.bk-content th { background: var(--bk-light); font-weight: 600; }

.bk-article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--bk-gray);
    padding-bottom: 20px; margin-bottom: 30px; border-bottom: 1px solid var(--bk-line); }

/* FAQ */
.bk-faq { border-top: 1px solid var(--bk-line); }
.bk-faq details { border-bottom: 1px solid var(--bk-line); }
.bk-faq summary {
    cursor: pointer; padding: 22px 44px 22px 0; position: relative; font-size: 17px; font-weight: 600; color: var(--bk-dark);
    list-style: none;
}
.bk-faq summary::-webkit-details-marker { display: none; }
.bk-faq summary::after {
    content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    font-size: 22px; color: var(--bk-accent); font-weight: 400;
}
.bk-faq details[open] summary::after { content: "–"; }
.bk-faq__a { padding: 0 40px 24px 0; color: #4B5563; font-size: 16px; }
.bk-faq__a p:last-child { margin-bottom: 0; }

/* ==========================================================================
   7. 产品详情
   ========================================================================== */
.bk-product { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: start; }
.bk-product__gallery { background: var(--bk-light); border: 1px solid var(--bk-line); border-radius: var(--bk-radius); padding: 40px; }
.bk-product__gallery img { max-height: 460px; width: auto; margin: 0 auto; }
.bk-product__thumbs { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.bk-product__thumbs img { width: 74px; height: 74px; object-fit: contain; background: #fff;
    border: 1px solid var(--bk-line); border-radius: 3px; padding: 6px; cursor: pointer; }
.bk-product__thumbs img:hover { border-color: var(--bk-accent); }
.bk-product__series { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--bk-accent); }
.bk-product__title { font-size: 36px; margin: 10px 0 16px; }
.bk-product__intro { font-size: 17px; color: var(--bk-gray); }
.bk-product__points { margin: 24px 0; }
.bk-product__points li { position: relative; padding-left: 24px; margin-bottom: 10px; font-size: 15px; }
.bk-product__points li::before { content: "✓"; position: absolute; left: 0; color: var(--bk-accent); font-weight: 700; }
.bk-product__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.bk-spec { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 15px; }
.bk-spec th, .bk-spec td { border: 1px solid var(--bk-line); padding: 13px 16px; text-align: left; }
.bk-spec th { background: var(--bk-light); width: 34%; font-weight: 600; color: var(--bk-dark); }
.bk-spec tr:nth-child(even) td { background: #FCFCFD; }

/* ==========================================================================
   8. CTA / 页脚
   ========================================================================== */
.bk-cta {
    background: linear-gradient(115deg, var(--bk-darker), #1E252B); color: #fff;
    padding: 76px 0;
}
.bk-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.bk-cta h2 { color: #fff; font-size: 32px; margin-bottom: 12px; }
.bk-cta p { color: rgba(255,255,255,.7); margin: 0; max-width: 620px; }
.bk-cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.bk-footer { background: var(--bk-dark); color: #9AA4B0; padding: 66px 0 0; font-size: 15px; }
.bk-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.bk-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.bk-footer a:hover { color: #fff; }
.bk-footer li { margin-bottom: 10px; }
.bk-footer__brand .bk-logo__cn, .bk-footer__brand .bk-logo__en { color: #fff; }
.bk-footer__brand .bk-logo__mark { background: var(--bk-accent); }
.bk-footer__desc { margin: 18px 0 0; line-height: 1.9; }
.bk-footer__contact li { display: flex; gap: 10px; }
.bk-footer__bottom {
    border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: 13px; color: #7C8794;
    display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.bk-footer__bottom a { color: #7C8794; }
.bk-footer__bottom a:hover { color: #fff; }

/* 回到顶部 */
.bk-top {
    position: fixed; right: 26px; bottom: 26px; width: 46px; height: 46px; border-radius: 50%;
    background: var(--bk-dark); color: #fff; border: 0; cursor: pointer; display: grid; place-items: center;
    opacity: 0; visibility: hidden; transition: var(--bk-trans); z-index: 800; font-size: 18px;
}
.bk-top.is-on { opacity: 1; visibility: visible; }
.bk-top:hover { background: var(--bk-accent); }

/* ==========================================================================
   9. 响应式
   ========================================================================== */
@media (max-width: 1100px) {
    .bk-hero h1 { font-size: 42px; }
    .bk-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .bk-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .bk-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff;
        border-bottom: 1px solid var(--bk-line); padding: 12px 20px 20px; box-shadow: var(--bk-shadow); }
    .bk-nav.is-open { display: block; }
    .bk-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
    .bk-nav > ul > li > a { padding: 13px 4px; border-bottom: 1px solid var(--bk-line); }
    .bk-submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
        border: 0; padding: 0 0 0 14px; }
    .bk-burger { display: block; }
    .bk-header__tel { display: none; }
    .bk-section { padding: 60px 0; }
    .bk-product { grid-template-columns: 1fr; gap: 30px; }
    .bk-adv { grid-template-columns: 1fr; }
    .bk-grid--3, .bk-grid--2 { grid-template-columns: 1fr; }
    .bk-strip__grid { grid-template-columns: 1fr 1fr; }
    .bk-strip__item:nth-child(2) { border-right: 0; }
    .bk-cta__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
    h1 { font-size: 30px; }
    h2 { font-size: 25px; }
    .bk-hero { min-height: 520px; }
    .bk-hero h1 { font-size: 30px; }
    .bk-hero__inner { padding: 76px 0; }
    .bk-hero__facts { gap: 24px; }
    .bk-hero__fact b { font-size: 22px; }
    .bk-pagehead { padding: 54px 0 44px; }
    .bk-pagehead h1 { font-size: 28px; }
    .bk-grid--4 { grid-template-columns: 1fr; }
    .bk-strip__grid { grid-template-columns: 1fr; }
    .bk-strip__item { border-right: 0; border-bottom: 1px solid var(--bk-line); }
    .bk-news-item { flex-wrap: wrap; gap: 12px; }
    .bk-news-item__date { width: auto; border-right: 0; padding: 0; text-align: left; }
    .bk-news-item__date b { display: inline; font-size: 14px; }
    .bk-footer__grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ==========================================================================
   10. 首页行业资讯（左右两栏）
   ========================================================================== */
.bk-home-news { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 46px; }
.bk-home-news__item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--bk-line); }
.bk-home-news__item:last-child { border-bottom: 0; }
.bk-home-news__thumb { flex: 0 0 104px; height: 76px; border-radius: var(--bk-radius); overflow: hidden; background: var(--bk-light); display: grid; place-items: center; }
.bk-home-news__thumb img { width: 100%; height: 100%; object-fit: cover; }
.bk-home-news__thumb span { font-size: 11px; color: #A8B0B8; }
.bk-home-news__body { flex: 1 1 auto; min-width: 0; }
.bk-home-news__date { display: block; font-size: 12px; color: var(--bk-gray); margin-bottom: 6px; }
.bk-home-news__title {
    margin: 0; font-size: 16px; font-weight: 600; line-height: 1.55; color: var(--bk-dark);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: var(--bk-trans);
}
.bk-home-news__item:hover .bk-home-news__title { color: var(--bk-accent); }

/* ==========================================================================
   11. 适合领域：主打方案卡片
   ========================================================================== */
.bk-plan { display: grid; grid-template-columns: 1.08fr .92fr; border: 1px solid var(--bk-line); border-radius: var(--bk-radius); overflow: hidden; background: #fff; }
.bk-plan__main { padding: 34px 34px 30px; }
.bk-plan__side { background: var(--bk-dark); color: #C9CFD6; padding: 34px; }
.bk-plan__badge { display: inline-block; background: var(--bk-accent); color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .06em; padding: 5px 12px; border-radius: 3px; margin-bottom: 16px; }
.bk-plan__side h3 { color: #fff; font-size: 19px; margin-bottom: 14px; }
.bk-plan__list li { position: relative; padding-left: 20px; margin-bottom: 9px; font-size: 15px; color: #C9CFD6; }
.bk-plan__list li::before { content: "✓"; position: absolute; left: 0; color: var(--bk-accent); }
.bk-plan__price { font-size: 25px; color: #fff; font-weight: 800; margin: 20px 0 4px; line-height: 1.3; }
.bk-plan__price small { display: block; font-size: 13px; font-weight: 400; color: #98A2AF; margin-top: 6px; }
.bk-plan__note { margin-top: 16px; font-size: 13px; color: #8C97A3; }

/* 价格优势条 */
.bk-price-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--bk-line); border-radius: var(--bk-radius); overflow: hidden; }
.bk-price-band__item { background: #fff; padding: 26px 24px; }
.bk-price-band__item b { display: block; font-size: 17px; color: var(--bk-dark); margin-bottom: 8px; }
.bk-price-band__item p { margin: 0; font-size: 14px; color: var(--bk-gray); }

/* ==========================================================================
   12. 微信联系方式
   ========================================================================== */
.bk-wechat { display: flex; gap: 34px; align-items: center; background: #fff; border: 1px solid var(--bk-line); border-radius: var(--bk-radius); padding: 30px 34px; flex-wrap: wrap; }
.bk-wechat img { width: 168px; height: 168px; object-fit: contain; border: 1px solid var(--bk-line); border-radius: var(--bk-radius); padding: 6px; background: #fff; }
.bk-wechat__info h3 { font-size: 20px; margin-bottom: 10px; }
.bk-wechat__id { font-size: 15px; color: var(--bk-gray); margin-bottom: 6px; }
.bk-wechat__id strong { color: var(--bk-dark); font-size: 17px; }

/* ==========================================================================
   13. 行业资讯页：卡片式（带配图）
   ========================================================================== */
.bk-news-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.bk-news-card { border: 1px solid var(--bk-line); border-radius: var(--bk-radius); overflow: hidden; background: #fff; display: flex; flex-direction: column; transition: var(--bk-trans); }
.bk-news-card:hover { box-shadow: var(--bk-shadow); transform: translateY(-4px); border-color: #D8DCE1; }
.bk-news-card__media { aspect-ratio: 16 / 9; background: var(--bk-light); overflow: hidden; display: grid; place-items: center; }
.bk-news-card__media img { width: 100%; height: 100%; object-fit: cover; }
.bk-news-card__media span { font-size: 12px; color: #A8B0B8; }
.bk-news-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1 1 auto; }
.bk-news-card__meta { display: flex; gap: 12px; font-size: 13px; color: var(--bk-gray); margin-bottom: 8px; }
.bk-news-card__title { font-size: 17px; line-height: 1.5; margin-bottom: 10px; }
.bk-news-card:hover .bk-news-card__title { color: var(--bk-accent); }
.bk-news-card__excerpt { font-size: 14px; color: var(--bk-gray); flex: 1 1 auto; }
.bk-news-card__more { font-size: 13px; font-weight: 600; color: var(--bk-dark); margin-top: 12px; }

@media (max-width: 1024px) {
    .bk-news-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .bk-home-news { grid-template-columns: 1fr; gap: 0; }
    .bk-plan { grid-template-columns: 1fr; }
    .bk-price-band { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .bk-news-cards { grid-template-columns: 1fr; }
    .bk-wechat { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   14. 首页（版块布局参考 UNOX 中文站）
   ========================================================================== */

/* Hero：整幅实景图 + 左侧文字 */
.bk-hero__bg {
    position: absolute; inset: 0; z-index: 0;
    background: center/cover no-repeat;
}
.bk-hero__bg::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(8,10,13,.92) 0%, rgba(8,10,13,.72) 42%, rgba(8,10,13,.28) 100%);
}
.bk-hero--full { align-items: flex-end; min-height: 660px; }
.bk-hero--full .bk-hero__inner { padding: 150px 0 90px; }

/* 首页顶部产品线小标签（对应 UNOX 的 BAKERTOP-X / SuperOven） */
.bk-tabs { display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 26px; }
.bk-tabs a {
    font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
    color: rgba(255,255,255,.62); padding-bottom: 6px; border-bottom: 2px solid transparent;
}
.bk-tabs a:hover, .bk-tabs a.is-on { color: #fff; border-bottom-color: var(--bk-accent); }

/* 适用场景：图片磁贴 */
.bk-usecases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.bk-usecase {
    position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden;
    border-radius: var(--bk-radius); background: var(--bk-light);
}
.bk-usecase img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.bk-usecase::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(8,10,13,.86) 0%, rgba(8,10,13,.18) 55%, rgba(8,10,13,0) 100%);
}
.bk-usecase:hover img { transform: scale(1.06); }
.bk-usecase__label {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 20px 22px;
    color: #fff;
}
.bk-usecase__label strong { display: block; font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.bk-usecase__label span { font-size: 13px; color: rgba(255,255,255,.75); }
.bk-usecase__label em {
    font-style: normal; font-size: 13px; color: var(--bk-accent);
    opacity: 0; transform: translateX(-6px); transition: var(--bk-trans); display: inline-block; margin-top: 6px;
}
.bk-usecase:hover .bk-usecase__label em { opacity: 1; transform: translateX(0); }

/* 主推产品横排 */
.bk-product-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* 通栏 CTA 带图 */
.bk-band {
    position: relative; overflow: hidden; color: #fff;
    background: var(--bk-darker) center/cover no-repeat;
}
.bk-band::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(8,10,13,.9) 0%, rgba(8,10,13,.55) 60%, rgba(8,10,13,.3) 100%);
}
.bk-band__inner { position: relative; z-index: 2; padding: 84px 0; max-width: 620px; }
.bk-band h2 { color: #fff; font-size: 32px; margin-bottom: 14px; }
.bk-band p { color: rgba(255,255,255,.78); margin-bottom: 26px; }

/* 图文交替特性块 */
.bk-feature { display: grid; grid-template-columns: 1.02fr .98fr; gap: 52px; align-items: center; }
.bk-feature--alt .bk-feature__media { order: 2; }
.bk-feature__media { border-radius: var(--bk-radius); overflow: hidden; background: var(--bk-light); aspect-ratio: 4 / 3; }
.bk-feature__media img { width: 100%; height: 100%; object-fit: cover; }
.bk-feature__body h2 { font-size: 30px; margin-bottom: 14px; }
.bk-feature__body p { color: var(--bk-gray); }
.bk-feature__list { margin-top: 18px; }
.bk-feature__list li { position: relative; padding-left: 22px; margin-bottom: 10px; color: #4B5563; }
.bk-feature__list li::before { content: "✓"; position: absolute; left: 0; color: var(--bk-accent); font-weight: 700; }

/* 按设备类型选择 */
.bk-types { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.bk-type {
    display: block; text-align: center; padding: 30px 22px; background: #fff;
    border: 1px solid var(--bk-line); border-radius: var(--bk-radius); transition: var(--bk-trans);
}
.bk-type:hover { border-color: var(--bk-dark); box-shadow: var(--bk-shadow); }
.bk-type__media { height: 130px; display: grid; place-items: center; margin-bottom: 14px; }
.bk-type__media img { max-height: 130px; width: auto; object-fit: contain; }
.bk-type strong { display: block; font-size: 17px; color: var(--bk-dark); margin-bottom: 4px; }
.bk-type span { font-size: 13px; color: var(--bk-gray); }

/* 服务卡片 */
.bk-services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--bk-line); }
.bk-service { background: #fff; padding: 34px 28px; }
.bk-service__no { font-size: 13px; font-weight: 700; color: var(--bk-accent); letter-spacing: .16em; }
.bk-service h3 { font-size: 18px; margin: 14px 0 10px; }
.bk-service p { margin: 0; font-size: 14px; color: var(--bk-gray); }

/* 为什么选择 */
.bk-why { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
.bk-why__media { border-radius: var(--bk-radius); overflow: hidden; background: var(--bk-light); aspect-ratio: 4 / 3; }
.bk-why__media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 1100px) {
    .bk-usecases { grid-template-columns: repeat(2, 1fr); }
    .bk-product-row, .bk-types, .bk-services { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .bk-feature, .bk-why { grid-template-columns: 1fr; gap: 26px; }
    .bk-feature--alt .bk-feature__media { order: 0; }
    .bk-hero--full .bk-hero__inner { padding: 110px 0 70px; }
}

@media (max-width: 640px) {
    .bk-usecases, .bk-product-row, .bk-types, .bk-services { grid-template-columns: 1fr; }
    .bk-band__inner { padding: 60px 0; }
    .bk-band h2 { font-size: 25px; }
}

/* ==========================================================================
   15. 适合领域：方案报价表
   ========================================================================== */
.bk-price-card { margin-top: 30px; border: 1px solid var(--bk-line); border-radius: var(--bk-radius); overflow: hidden; background: #fff; }
.bk-price-card__head {
    display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    padding: 20px 26px; background: var(--bk-dark);
}
.bk-price-card__head h3 { color: #fff; margin: 0; font-size: 19px; }
.bk-price-card__head span.sub { display: block; color: rgba(255,255,255,.6); font-size: 13px; margin-top: 6px; }
.bk-price-card__budget { background: var(--bk-accent); color: #fff; font-size: 14px; font-weight: 700; padding: 8px 18px; border-radius: 3px; white-space: nowrap; }
.bk-price-table { width: 100%; border-collapse: collapse; }
.bk-price-table th, .bk-price-table td { padding: 14px 20px; border-bottom: 1px solid var(--bk-line); text-align: left; font-size: 15px; }
.bk-price-table th { background: var(--bk-light); color: var(--bk-dark); font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.bk-price-table td:first-child { font-weight: 600; color: var(--bk-dark); }
.bk-price-table tr:last-child td { border-bottom: 0; }
.bk-price-table .bk-old { color: #9AA4B0; text-decoration: line-through; }
.bk-price-table .bk-sale { color: var(--bk-accent); font-weight: 700; }
.bk-price-table .bk-vip { font-weight: 700; background: #FFF7F3; }
.bk-price-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 26px; background: var(--bk-light); }
.bk-price-card__foot p { margin: 0; font-size: 14px; color: var(--bk-gray); }
.bk-price-card__note { padding: 14px 26px 18px; font-size: 13px; color: var(--bk-gray); background: #fff; border-top: 1px solid var(--bk-line); }

/* 设备行：缩略图 + 名称 */
.bk-device-cell { display: flex; align-items: center; gap: 16px; }
.bk-device-cell__thumb {
    flex: 0 0 68px; width: 68px; height: 68px; padding: 4px; background: #fff;
    border: 1px solid var(--bk-line); border-radius: 3px; display: grid; place-items: center;
}
.bk-device-cell__thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.bk-device-cell__name { font-weight: 600; color: var(--bk-dark); }
.bk-device-cell__desc { display: block; margin-top: 3px; font-size: 13px; font-weight: 400; color: var(--bk-gray); }

/* 方案配图 */
.bk-plan-visual { border-radius: var(--bk-radius); overflow: hidden; background: var(--bk-light); aspect-ratio: 16 / 6; margin-bottom: 26px; }
.bk-plan-visual img { width: 100%; height: 100%; object-fit: cover; }

/* 带背景图的页头 */
.bk-pagehead--img { position: relative; overflow: hidden; background: #0B0E11 center/cover no-repeat; }
.bk-pagehead--img::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(8,10,13,.94) 0%, rgba(8,10,13,.68) 60%, rgba(8,10,13,.42) 100%);
}
.bk-pagehead--img .bk-container { position: relative; z-index: 2; }

@media (max-width: 640px) {
    .bk-price-table th, .bk-price-table td { padding: 12px 14px; font-size: 14px; }
    .bk-device-cell { gap: 12px; }
    .bk-device-cell__thumb { flex-basis: 54px; width: 54px; height: 54px; }
    .bk-plan-visual { aspect-ratio: 16 / 9; }
}