/* ========================================
   XINFUDA - Home Page Styles
   Professional Aesthetic Needle Solutions
   ======================================== */

/* CSS Variables */
:root {
    --primary: #1a56db;
    --primary-dark: #1348b8;
    --primary-light: #e8f0fe;
    --secondary: #0ea5e9;
    --text-dark: #1e293b;
    --text-body: #475569;
    --text-light: #94a3b8;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --footer-bg: #154088;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-body);
    background: var(--white);
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1600px; margin: 0 auto; padding: 0 20px; }

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    transition: var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.1); }

/* Header Top Bar */
.header__top {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    font-size: 13px;
    padding: 6px 0;
}
.header__top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header__top-left { display: flex; align-items: center; gap: 16px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    transition: var(--transition);
}
.social-links a:hover { opacity: 0.7; transform: translateY(-1px); }

.header__top-right { display: flex; align-items: center; gap: 14px; }
.language-switcher select {
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 13px;
    color: var(--text-body);
    background: var(--white);
    cursor: pointer;
    outline: none;
}
.header__search-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--text-light);
}
.header__search-toggle:hover { color: var(--primary); }
.header__search-text { color: var(--text-light); font-size: 13px; }

/* Header Main */
.header__main {
    padding: 12px 0;
    background: var(--white);
}
.header__main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}
.header__logo svg { flex-shrink: 0; }
.header__logo:hover { color: var(--primary-dark); }

/* Navigation */
.nav__list {
    display: flex;
    gap: 4px;
    align-items: center;
}
.nav__item a {
    display: block;
    padding: 8px 16px;
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-family);
    color: var(--text-dark);
    border-radius: var(--radius);
    transition: color .2s;
    position: relative;
}
/* active 态锁定与基础态完全一致的盒模型/字体，避免进入子页面后导航字体、位置微变 */
.nav__item.active > a,
.nav__item.active > a:hover {
    color: var(--primary);
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-family);
    line-height: normal;
}
.nav__item.active a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}
.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu li a {
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-body);
    display: block;
}
.dropdown-menu li a:hover { background: var(--primary-light); color: var(--primary); }

/* Burger Menu */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
    z-index: 1001;
}
.burger span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    padding-top: 120px;
    padding-bottom: 60px;
    background: linear-gradient(135deg, #f8fbff 0%, #ffffff 50%, #f0f7ff 100%);
    overflow: hidden;
}
.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero__title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.hero__subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}
.hero__desc {
    font-size: 16px;
    color: var(--text-body);
    margin-bottom: 32px;
    max-width: 480px;
}
.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero__image img {
    width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 40px rgba(26,86,219,0.15));
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}
.btn--primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn--primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26,86,219,0.35);
}
.btn--outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn--outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}
.btn--sm { padding: 8px 20px; font-size: 13px; }
.btn--lg { padding: 16px 36px; font-size: 17px; }

/* ========================================
   FEATURES BAR
   ======================================== */
.features-bar {
    padding: 40px 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.feature-item {
    text-align: center;
    padding: 20px 16px;
}
.feature-icon {
    margin-bottom: 12px;
    display: flex;
    justify-content: center;
}
.feature-item h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.feature-item p {
    font-size: 13px;
    color: var(--text-light);
}

/* ========================================
   SECTIONS COMMON
   ======================================== */
.section { padding: 80px 0; }
.section--gray { background: var(--gray-50); }
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 8px;
}
.section-title--left { text-align: left; }
.section-title--light { color: var(--white); }
.section-title-line {
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 0 auto 48px;
    border-radius: 2px;
}
.section-title-line--left { margin-left: 0; }
.section-title-line--light { background: var(--white); }

/* ========================================
   PRODUCT CENTER
   ======================================== */
.product-center { background: var(--white); }
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.product-card__image {
    aspect-ratio: 3/2;
    overflow: hidden;
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}
.product-card:hover .product-card__image img { transform: scale(1.05); }
.product-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    padding: 20px 24px 8px;
}
.product-card__desc {
    font-size: 14px;
    color: var(--text-light);
    padding: 0 24px 16px;
    line-height: 1.5;
}
.product-card__link {
    display: inline-block;
    padding: 0 24px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}
.product-card__link:hover { text-decoration: underline; }

/* ========================================
   APPLICATION PRODUCTS (Blue BG)
   ======================================== */
.application-products { margin: 0; }
.application-products__bg {
    background: linear-gradient(135deg, #0f3d8c, #1a56db);
    padding: 70px 0;
}
.app-product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.app-product-item {
    text-align: center;
    color: var(--white);
    padding: 20px;
}
.app-product-icon {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    opacity: 0.95;
}
.app-product-item h4 {
    font-size: 15px;
    font-weight: 500;
}
.app-product-sub {
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.4;
    opacity: 0.85;
}

/* ========================================
   QUALITY / NEEDLE ENGINEERING
   ======================================== */
.quality-section { background: #ffffff; padding: 0; }
.quality-ne-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Hero */
.qne-hero { position: relative; padding: 48px 0 24px; }
.qne-hero__brand { font-size: 18px; font-weight: 800; letter-spacing: 3px; color: #1a3a8a; margin-bottom: 12px; }
.qne-hero__nav { display: flex; gap: 20px; font-size: 13px; color: #555; margin-bottom: 32px; flex-wrap: wrap; }
.qne-hero__nav a { color: #333; text-decoration: none; }
.qne-hero__nav a:hover { color: #1a56db; }
.qne-hero__body { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.qne-hero__title { font-size: 42px; font-weight: 800; color: #1a3a8a; line-height: 1.15; margin: 0 0 6px; letter-spacing: -0.5px; }
.qne-hero__subtitle { font-size: 16px; color: #555; margin: 0 0 14px; font-weight: 600; }
.qne-hero__desc { font-size: 14px; color: #666; line-height: 1.7; margin: 0 0 18px; max-width: 520px; }
.qne-hero__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.qne-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #444; border: 1px solid #ddd; border-radius: 20px; padding: 5px 14px; background: #fafafa; }
.qne-tag svg { flex-shrink: 0; color: #1a56db; }
.qne-hero__btns { display: flex; gap: 12px; flex-wrap: wrap; }
.qne-btn { padding: 11px 26px; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: all .2s; }
.qne-btn--primary { background: #1a56db; color: #fff; }
.qne-btn--primary:hover { background: #1544b8; }
.qne-btn--outline { background: transparent; color: #1a56db; border: 1px solid #1a56db; }
.qne-btn--outline:hover { background: #eef2ff; }

/* Hero Visual - 针头图 + 标注 */
.qne-hero__visual { position: relative; }
.qne-hero__main-img { width: 100%; height: auto; display: block; border-radius: 10px; }
.qne-hero__anno { position: absolute; font-size: 12px; font-weight: 700; color: #1a3a8a; }
.qne-hero__anno::before { content: ''; position: absolute; width: 28px; height: 1px; background: #1a3a8a; top: 50%; }
.qne-anno--gauge { top: 18%; left: -4%; } .qne-anno--gauge::before { right: 100%; left: auto; }
.qne-anno--wall { top: 30%; left: 38%; } .qne-anno--wall::before { width: 18px; transform: rotate(-25deg); top: -6px; left: 50%; margin-left: -9px; }
.qne-anno--lumen { top: 30%; right: 22%; } .qne-anno--lumen::before { width: 18px; transform: rotate(25deg); top: -6px; left: 50%; margin-left: -9px; }
.qne-anno--length { bottom: 15%; right: -2%; } .qne-anno--length::before { left: 100%; width: 28px; }
.qne-hero__tip-circle { position: absolute; width: 90px; height: 90px; border-radius: 50%; overflow: hidden; border: 2px solid #cdd5e0; bottom: 8%; left: 35%; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.08); }

/* 通用区块 */
.qne-block { padding: 48px 0; position: relative; }
.qne-block--blue { background: linear-gradient(135deg,#1a3a8a 0%,#1a56db 100%); color: #fff; border-radius: 12px; padding: 48px 36px; margin-bottom: 8px; }
.qne-block--white { padding: 48px 0; border-bottom: 1px solid #eee; }
.qne-block__num { font-size: 52px; font-weight: 900; opacity: .15; line-height: 1; margin-bottom: -12px; letter-spacing: -2px; }
.qne-block--blue .qne-block__num { color: #fff; }
.qne-block--white .qne-block__num { color: #1a3a8a; }
.qne-block__title { font-size: 26px; font-weight: 800; color: inherit; margin: 0 0 8px; letter-spacing: -.3px; }
.qne-block--white .qne-block__title { color: #1a3a8a; }
.qne-block__sub { font-size: 14px; opacity: .85; margin: 0 0 28px; max-width: 680px; line-height: 1.6; }
.qne-full-img { width: 100%; height: auto; display: block; border-radius: 8px; }

/* 01 参数标注线 */
.qne-param-labels { display: flex; justify-content: space-around; margin-top: 10px; }
.qne-plabel { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.9); position: relative; }
.qne-plabel::after { content: ''; display: block; width: 1px; height: 14px; background: rgba(255,255,255,.5); margin: 4px auto 0; }

/* 02 Gauge 列表 */
.qne-gauges { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.qne-gauge-item { text-align: center; min-width: 72px; }
.qne-gauge-item img { width: 64px; height: 110px; object-fit: contain; display: block; margin: 0 auto 6px; }
.qne-gauge-item strong { display: block; font-size: 15px; color: #1a3a8a; }
.qne-gauge-item small { display: block; font-size: 11px; color: #888; margin-top: 2px; }

/* 03 Wall & Lumen */
.qne-wall-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin-top: 20px; }
.qne-wall-text p { font-size: 14px; color: #555; line-height: 1.7; margin: 0 0 12px; }
.qne-wall-text ul { list-style: none; padding: 0; margin: 0 0 12px; }
.qne-wall-text ul li { font-size: 13px; color: #444; padding: 3px 0; border-bottom: 1px dotted #ddd; }
.qne-wall-note { font-size: 12px; color: #999; font-style: italic; }
.qne-wall-circles { display: flex; gap: 24px; justify-content: center; align-items: flex-start; }
.qne-circle-card { text-align: center; }
.qne-circle-img { width: 100px; height: 100px; border-radius: 50%; overflow: hidden; border: 3px solid #e2e8f0; margin-bottom: 8px; background: #f7f9fc; }
.qne-circle-img img { width: 100%; height: 100%; object-fit: contain; }
.qne-circle-card strong { font-size: 13px; color: #1a3a8a; display: block; }

/* 04 Flow Path */
.qne-flow { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: start; margin-top: 20px; }
.qne-flow__img-wrap { position: relative; }
.qne-flow__img { width: 100%; height: auto; display: block; border-radius: 8px; }
.qne-flabel { position: absolute; font-size: 12px; font-weight: 700; color: #1a3a8a; background: rgba(255,255,255,.88); padding: 2px 8px; border-radius: 4px; white-space: nowrap; }
.qne-flow__features { display: flex; flex-direction: column; gap: 18px; }
.qne-flow-feat { display: flex; gap: 14px; align-items: start; }
.qne-flow-icon { width: 40px; height: 40px; border-radius: 50%; border: 2px solid #e2e8f0; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; color: #1a56db; }
.qne-flow-feat strong { font-size: 14px; color: #1a3a8a; }
.qne-flow-feat small { font-size: 12px; color: #777; }

/* 05 Tip Geometry */
.qne-tip { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; align-items: start; margin-top: 20px; }
.qne-tip__img-wrap img { width: 100%; height: auto; display: block; border-radius: 8px; }
.qne-tip__features { display: flex; flex-direction: column; gap: 14px; }
.qne-tip-feat { font-size: 13px; color: #444; line-height: 1.5; }
.qne-tip-icon { display: inline-block; width: 22px; text-align: center; color: #1a56db; font-weight: 700; }
.qne-tip-feat small { color: #888; font-size: 11px; }
.qne-tip__table table { width: 100%; border-collapse: collapse; font-size: 12px; }
.qne-tip__table th { background: #1a3a8a; color: #fff; padding: 8px 10px; text-align: left; font-weight: 600; }
.qne-tip__table td { padding: 7px 10px; border-bottom: 1px solid #eee; color: #555; }
.ticon { font-size: 14px; margin-right: 4px; }

/* 07 Steps */
.qne-steps { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.qne-step { text-align: center; max-width: 140px; font-size: 12px; color: #555; }
.qne-step-icon { font-size: 28px; margin-bottom: 6px; }
.qne-step strong { display: block; font-size: 13px; color: #1a3a8a; margin-bottom: 2px; }
.qne-step small { color: #888; }
.qne-step-arrow { font-size: 20px; color: #ccc; }
.qne-steps-note { text-align: center; font-size: 13px; color: #666; margin-top: 20px; max-width: 720px; margin-left: auto; margin-right: auto; line-height: 1.6; }

/* Discuss Form */
.qne-discuss { padding: 48px 0; text-align: center; }
.qne-discuss__title { font-size: 28px; font-weight: 800; color: #1a3a8a; margin: 0 0 8px; }
.qne-discuss__desc { font-size: 14px; color: #666; margin: 0 0 6px; }
.qne-discuss__note { font-size: 13px; color: #999; text-align: left; max-width: 600px; margin: 0 auto 20px; }
.qne-form { max-width: 800px; margin: 0 auto; text-align: left; }
.qne-form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.qne-form select,
.qne-form textarea { width: 100%; padding: 10px 14px; border: 1px solid #ddd; border-radius: 6px; font-size: 13px; outline: none; background: #fff; }
.qne-form select:focus,
.qne-form textarea:focus { border-color: #1a56db; }
.qne-form textarea { resize: vertical; margin-bottom: 14px; }
.qne-form .qne-btn { width: 100%; padding: 13px; font-size: 15px; }

/* ========================================
   ABOUT XINFUDA
   ======================================== */
.about-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.7;
}
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
}
.about-building img {
    border-radius: var(--radius-lg);
    width: 100%;
    box-shadow: var(--shadow);
}
.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.stat-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 4px;
}
.stat-label {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.3;
}

/* ========================================
   NEWS & INSIGHTS
   ======================================== */
.news-section { background: var(--white); }
.news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}
.news-header .section-title { margin-bottom: 0; }
.news-header .section-title-line { margin-bottom: 12px; }

/* News Page Banner - blue full width */
.page-banner--news {
    padding-bottom: 0;
}
.page-banner--news h1 {
    font-size: 38px;
}

/* News Filter / Category Tabs */
.news-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}
.news-filter__btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}
.news-filter__btn:hover {
    border-color: #1bc5bd;
    color: #1bc5bd;
}
.news-filter__btn.is-active {
    background: #1a56db;
    color: #fff;
    border-color: #1a56db;
}

/* Card Grid (News List) */
.card-grid { display: grid; gap: 28px; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* News Card Item (TP5 template compatible) */
.news-card-item {
    display: block;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}
.news-card-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.card__media {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    position: relative;
}
.card__media--news {
    background: var(--gray-50);
}
.card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.news-card-item:hover .card__media img { transform: scale(1.06); }
.card__media-tag {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    line-height: 1.5;
}
.card__body { padding: 18px 20px 20px; }
.card__meta {
    margin-bottom: 8px;
}
.card__meta span {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}
.card__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.45;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card__desc {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card__link {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
}
.news-card-item:hover .card__link { text-decoration: underline; }

/* News Empty State */
.news-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.news-empty__icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.6;
}
.news-empty p {
    font-size: 15px;
}

/* News Detail Page */
.news-detail__breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}
.news-detail__breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}
.news-detail__breadcrumb a:hover { color: #fff; }
.news-detail__breadcrumb .sep { opacity: 0.5; }
.news-detail__breadcrumb .current {
    color: #fff;
    font-weight: 600;
}

.section--news-detail { padding-top: 48px; padding-bottom: 64px; }
.news-detail {
    width: 100%;
}
/* 详情页 container 放宽，给富文本分栏足够空间 */
.section--news-detail > .container {
    max-width: 1600px;
    padding-left: 60px;
    padding-right: 60px;
}
/* 正文内容区 - 不做任何宽度约束，保留原始排版 */
.news-detail__content {
    max-width: none !important;
}
.news-detail__header {
    margin-bottom: 28px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--gray-200);
}
.news-detail__meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}
.news-detail__tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    background: var(--gray-50);
    border-radius: 50px;
}
.news-detail__date {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
}
.news-detail__cover {
    margin-bottom: 28px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.news-detail__cover img {
    width: 100%;
    height: auto;
    display: block;
}
.news-detail__content h2,
.news-detail__content h3,
.news-detail__content h4 {
    margin: 28px 0 14px;
    color: var(--text-dark);
    line-height: 1.4;
}

/* 上一篇 / 下一篇 */
.news-detail__pager {
    max-width: 820px;
    margin: 36px auto 0;
    display: flex;
    gap: 20px;
    justify-content: space-between;
}
.news-detail__pager-item { flex: 1; }
.news-detail__pager-item--right { text-align: right; }
.news-detail__pager-link {
    display: inline-flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 22px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition);
}
.news-detail__pager-link:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}
.news-detail__pager-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
}
.news-detail__pager-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-detail__pager-empty {
    display: block;
    padding: 18px 22px;
    font-size: 13px;
    color: var(--text-light);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

/* 返回列表 */
.news-detail__back {
    max-width: 820px;
    margin: 28px auto 0;
    text-align: center;
}
.news-detail__back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--primary);
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
}
.news-detail__back-link:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

/* 响应式 */
@media (max-width: 768px) {
    .news-detail { padding: 28px 20px; }
    .news-detail__pager {
        flex-direction: column;
        gap: 14px;
    }
    .news-detail__pager-item--right { text-align: left; }
}

/* News Pagination - Layui 分页美化 */
.news-pagination {
    margin-top: 48px;
    display: flex;
    justify-content: center;
}

/* Layui 默认分页容器 */
.layui-laypage-default {
    margin: 0;
    text-align: center;
}
.layui-laypage-default a,
.layui-laypage-default span:not(.layui-laypage-em) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    line-height: 40px;
    margin: 0 4px 8px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
    box-sizing: border-box;
    vertical-align: middle;
    text-decoration: none;
}
.layui-laypage-default a:hover {
    border-color: #1bc5bd;
    color: #1bc5bd;
}

/* 当前页 - 青色高亮 */
.layui-laypage-curr {
    position: relative !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 40px !important;
    height: 40px !important;
    line-height: 40px !important;
    margin: 0 4px 8px !important;
    padding: 0 12px !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #fff !important;
    background-color: #1bc5bd !important;
    border: 1px solid #1bc5bd !important;
    box-sizing: border-box !important;
    overflow: hidden;
}
.layui-laypage-curr em {
    position: relative !important;
    z-index: 10 !important;
    color: #fff !important;
    font-weight: 600 !important;
}
.layui-laypage-curr .layui-laypage-em {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: #1bc5bd !important;
    z-index: 1 !important;
}

/* 禁用状态 */
.layui-laypage-default .layui-laypage-disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    position: relative;
    padding: 50px 0;
    overflow: hidden;
}
.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}
.cta-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,61,140,0.92) 0%, rgba(26,86,219,0.88) 100%);
}
.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}
.cta-content h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 12px;
}
.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--footer-bg);
    color: #94a3b8;
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1.2fr 1.3fr;
    gap: 36px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}
.footer-about { font-size: 13px; line-height: 1.6; }
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: #94a3b8;
    transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); padding-left: 4px; }
.footer-contact-list li {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-social {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}
.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #94a3b8;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}
.footer-qrcode img {
    width: 90px;
    height: 90px;
    border-radius: var(--radius);
    background: var(--white);
    padding: 4px;
}

/* ========================================
   PAGE BANNER (Inner Pages)
   ======================================== */
.page-banner {
    padding-top: 120px;
    padding-bottom: 50px;
    background: linear-gradient(135deg, #0f3d8c 0%, #1a56db 100%);
    color: white;
    text-align: center;
}
.page-banner h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}
.page-banner p {
    font-size: 17px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* About Page */
.about-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.about-detail-text h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.about-detail-text p {
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 12px;
}
.value-list {
    list-style: none;
    padding: 0;
}
.value-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.6;
}
.value-list li strong { color: var(--primary); }
.about-detail-images img { width: 100%; }

/* Spec Table */
.spec-table td, .spec-table th {
    font-size: 14px;
}
.spec-table tbody tr:hover { background-color: #f8fafc; }

/* Contact Form */
.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(26,86,219,0.1) !important;
}

@media (max-width: 768px) {
    .page-banner { padding-top: 80px; padding-bottom: 35px; }
    .page-banner h1 { font-size: 28px; }
    .page-banner p { font-size: 14px; }
    
    .about-detail-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-detail-images { order: -1; }
    
    /* Contact page responsive */
    .contact-form { width: 100%; }
    body:not(.home) form[style*="grid"] > div[style*="grid"] {
        grid-template-columns: 1fr !important;
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero__title { font-size: 38px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .app-product-grid { grid-template-columns: repeat(2, 1fr); }
    .quality-grid { grid-template-columns: 1fr; gap: 40px; }
    .quality-image { order: -1; }
    .qne-hero__body { grid-template-columns: 1fr; gap: 28px; }
    .qne-hero__visual { order: -1; }
    .qne-wall-grid { grid-template-columns: 1fr; }
    .qne-flow { grid-template-columns: 1fr; }
    .qne-tip { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .about-building { order: -1; }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    /* News card grid responsive */
    .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(3, 1fr); }
    .nav__list { 
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 24px 24px;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        z-index: 999;
        align-items: flex-start;
        overflow-y: auto;
    }
    .nav__list.open { right: 0; }
    .nav__item a { padding: 12px 0; width: 100%; }
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 16px;
        display: none;
    }
    .has-dropdown.active .dropdown-menu { display: block; }
    .burger { display: flex; }
}

/* Mobile */
@media (max-width: 768px) {
    .header__top { display: none; }
    .header__main { padding: 10px 0; }
    .hero { padding-top: 80px; padding-bottom: 40px; }
    .hero__content { grid-template-columns: 1fr; text-align: center; }
    .hero__title { font-size: 30px; }
    .hero__desc { margin-left: auto; margin-right: auto; }
    .hero__actions { justify-content: center; }
    .hero__image { max-width: 400px; margin: 0 auto; }
    
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .feature-item { padding: 12px 8px; }
    
    .section { padding: 50px 0; }
    .section-title { font-size: 28px; }
    
    .product-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    
    .application-products__bg { padding: 45px 0; }
    .app-product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    
    .quality-features { grid-template-columns: 1fr; }

    /* Needle Engineering responsive */
    .qne-hero__body { grid-template-columns: 1fr; gap: 28px; }
    .qne-hero__visual { order: -1; }
    .qne-gauges { justify-content: center; }
    .qne-wall-grid { grid-template-columns: 1fr; }
    .qne-wall-circles { justify-content: flex-start; }
    .qne-flow { grid-template-columns: 1fr; }
    .qne-tip { grid-template-columns: 1fr; }
    .qne-steps { flex-direction: column; }
    .qne-step-arrow { transform: rotate(90deg); }
    .qne-form-row { grid-template-columns: 1fr; }
    
    .about-stats { grid-template-columns: 1fr 1fr; }
    .stat-number { font-size: 26px; }
    
    .news-header { flex-direction: column; align-items: flex-start; gap: 16px; }
    .news-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    
    /* News list mobile */
    .card-grid--3 { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .news-filter { justify-content: center; gap: 8px; }
    .news-filter__btn { padding: 6px 16px; font-size: 13px; }
    .page-banner h1 { font-size: 28px; }
    .page-banner--news h1 { font-size: 28px; }
    
    .cta-content h2 { font-size: 26px; }
    .cta-content p { font-size: 15px; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

/* ============ 产品详情长页（固定 9 区块） ============ */
.pd-page { background: #ffffff; }
.pd-container { max-width: 1600px; margin: 0 auto; padding: 0 24px; }
.pd-section { padding: 72px 0; }
.pd-h2 { font-size: 32px; font-weight: 800; color: #0f2c5c; margin: 0 0 28px; letter-spacing: -0.5px; }
.pd-center { text-align: center; }
.pd-left { text-align: left; }
.pd-p { font-size: 16px; color: #475569; line-height: 1.85; margin: 0; }

/* 1. Hero */
.pd-hero { position: relative; padding: 90px 0; background: linear-gradient(180deg,#f4f8ff 0%,#ffffff 100%); }
.pd-hero--img { min-height: 72vh; display: flex; align-items: center; padding: 130px 0 80px; box-sizing: border-box; }
.pd-hero__bg { position: absolute; top: var(--header-h, 96px); left: 0; right: 0; bottom: 0; z-index: 0; background-repeat: no-repeat; background-position: center top; background-size: 100% auto; }
.pd-hero__bg img { display: none; }
.pd-hero .pd-container { position: relative; z-index: 1; width: 100%; }
.pd-hero__left { max-width: 760px; margin-left: 0; }
.pd-hero__title { font-size: 60px; font-weight: 800; color: #0f2c5c; line-height: 1.12; margin: 0 0 22px; letter-spacing: -1px; }
.pd-hero__subtitle { font-size: 22px; color: #475569; line-height: 1.75; margin: 0 0 26px; }
.pd-hero--img .pd-container { padding-left: 2%; }
.pd-hero--img .pd-hero__title { font-size: 64px; }
.pd-hero--img .pd-hero__subtitle { font-size: 17px; }
.pd-hero__tags { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.pd-tag { display: inline-block; padding: 8px 18px; background: #e8f0fe; color: #1a56db; font-size: 14px; font-weight: 600; border-radius: 999px; }
.pd-hero__btns { display: flex; flex-wrap: wrap; gap: 16px; }
.pd-hero--img .btn--ghost { background: transparent; border-color: #0f2c5c; color: #0f2c5c; }
.pd-hero--img .pd-hero__btns { display: flex; }
.pd-hero--img .btn--ghost { display: none; }
/* 顶部 banner 按钮加大加长（仅作用于 hero 内按钮，不影响全站） */
.pd-hero__btns .btn { padding: 16px 44px; font-size: 18px; font-weight: 700; border-radius: 50px; }

/* 1.5 产品简介（左大标题+介绍，右图片，图片浮于背景融合） */
.pd-intro { padding: 56px 0; background: #ffffff; overflow: hidden; }
.pd-intro--default { padding: 20px 0; }
.pd-intro--default .pd-intro__title { font-size: 52px; margin-bottom: 18px; }
.pd-intro--default .pd-intro__desc { font-size: 20px; line-height: 1.95; }
.pd-intro--default .pd-intro__features { margin: 22px 0 24px; }
.pd-intro--default .pd-intro__img img { max-height: 540px; width: 100%; margin: 0 auto; }
/* 1.5 特色卡片加大 */
.pd-intro__features--cards { gap: 20px; }
.pd-intro--default .pd-intro__features--cards .pd-intro__feature { padding: 24px; }
.pd-intro--default .pd-intro__features--cards .pd-intro__feature-title { font-size: 19px; }
.pd-intro--default .pd-intro__features--cards .pd-intro__feature-desc { font-size: 15px; }
/* product/detail 简介模块独立命名（沿用 default 样式，不再依赖公共 .pd-intro--default） */
.pd-intro--pdefault { padding: 20px 0; }
.pd-intro--pdefault .pd-intro__title { font-size: 52px; margin-bottom: 18px; }
.pd-intro--pdefault .pd-intro__desc { font-size: 20px; line-height: 1.95; }
.pd-intro--pdefault .pd-intro__features { margin: 22px 0 24px; }
.pd-intro--pdefault .pd-intro__img img { max-height: 540px; width: 100%; margin: 0 auto; }
.pd-intro--pdefault .pd-intro__features--cards .pd-intro__feature { padding: 24px; }
.pd-intro--pdefault .pd-intro__features--cards .pd-intro__feature-title { font-size: 19px; }
.pd-intro--pdefault .pd-intro__features--cards .pd-intro__feature-desc { font-size: 15px; }
/* 1.5 产品简介区块：左图右字（仅作用于 pdefault，布局/比例不变） */
.pd-intro--pdefault .pd-intro__inner { grid-template-columns: 0.85fr 1.15fr; }
.pd-intro--pdefault .pd-intro__img { order: -1; }
.pd-intro__inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 36px; align-items: center; padding-left: 4%; }
.pd-intro__title { font-size: 44px; font-weight: 800; color: #0f2c5c; line-height: 1.15; margin: 0 0 16px; letter-spacing: -1px; }
.pd-intro__desc { font-size: 18px; color: #475569; line-height: 1.85; margin: 0; }
.pd-intro__img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.pd-intro__img img {
    position: relative; z-index: 1; width: 100%; height: 100%; display: block;
    object-fit: cover;
}
.pd-intro__features { display: flex; flex-wrap: wrap; gap: 0; margin: 18px 0 22px; }
.pd-intro__feature { flex: 1 1 0; padding: 4px 26px; border-left: 1px solid #e2e8f0; }
.pd-intro__feature:first-child { padding-left: 0; border-left: none; }
.pd-intro__feature-title { font-size: 17px; font-weight: 700; color: #0f2c5c; margin-bottom: 8px; }
.pd-intro__feature-desc { font-size: 14px; color: #64748b; line-height: 1.6; }
/* 1.5 模块特色：小卡片变体（仅作用于 pd-intro__features--cards） */
.pd-intro__features--cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pd-intro__features--cards .pd-intro__feature { padding: 18px; background: #f7faff; border: 1px solid #e2e8f0; border-radius: 12px; }
.pd-intro__features--cards .pd-intro__feature:first-child { padding-left: 18px; }

/* 1.6 第二个简介模块：浅蓝背景，透明底图直接协调展示 */
.pd-intro--alt { background: #eef4ff; padding: 20px 0; }
.pd-intro--alt .pd-intro__feature { border-left-color: #c7d6f5; }
/* 与 1.5 内容尺寸保持一致，使两模块高度相同 */
.pd-intro--alt .pd-intro__title { font-size: 52px; margin-bottom: 18px; }
.pd-intro--alt .pd-intro__desc { font-size: 20px; line-height: 1.95; }
.pd-intro--alt .pd-intro__features { margin: 22px 0 24px; }
.pd-intro--alt .pd-intro__img::before { display: none; }
/* 取消固定比例裁切，图片完整显示不缺失 */
.pd-intro--alt .pd-intro__img {
    aspect-ratio: auto;
    overflow: visible;
    background: #eef4ff;
}
.pd-intro--alt .pd-intro__img img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    margin: 0 auto;
}
.pd-intro__img--static img {
    width: 100%; margin-left: 0; border-radius: 0;
    box-shadow: none;
    animation: none;
}
/* 1.6 图片原样展示，不做边缘处理 */
.pd-intro--alt .pd-intro__img--static img { mix-blend-mode: multiply; }
/* 1.6 文字整体左移（抵消通用 4% 左内边距） */
.pd-intro--alt .pd-intro__inner { padding-left: 0; }

/* 1.6b 独立模块：初始样式与 1.6 一致，可单独改动而不连带 1.6 */
.pd-intro--alt2 { background: #eef4ff; padding: 20px 0; }
.pd-intro--alt2 .pd-intro__feature { border-left-color: #c7d6f5; }
.pd-intro--alt2 .pd-intro__title { font-size: 52px; margin-bottom: 18px; }
.pd-intro--alt2 .pd-intro__desc { font-size: 20px; line-height: 1.95; }
.pd-intro--alt2 .pd-intro__features { margin: 22px 0 24px; }
.pd-intro--alt2 .pd-intro__img::before { display: none; }
.pd-intro--alt2 .pd-intro__img {
    aspect-ratio: auto;
    overflow: visible;
    background: #eef4ff;
}
.pd-intro--alt2 .pd-intro__img img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    margin: 0 auto;
}
.pd-intro--alt2 .pd-intro__img--static img { mix-blend-mode: multiply; }
.pd-intro--alt2 .pd-intro__inner { padding-left: 0; }

/* 1.7 长图 banner（宽度与 .pd-intro 内容区一致） */
.pd-full-banner {
    max-width: 1600px;
    margin: 0 auto 28px;
    padding: 0 24px;
    box-sizing: border-box;
    line-height: 0;
    overflow: hidden;
}
.pd-full-banner img {
    width: 100%;
    height: auto;
    display: block;
    border: none;
    outline: none;
    box-shadow: none;
}
/* 1.7 标题与上一模块(1.6)文字左缘对齐：抵消容器左侧 24px 内边距 */
.pd-full-banner > .pd-container { padding-left: 0; }

/* 1.5 整行大图（固定 1920×400 素材，整行铺满，高度固定、轻微裁切） */
.pd-wide-banner {
    padding: 0 !important;
    margin-top: 8px;   /* 与上一版块(Hero)留细小距离 */
    margin-bottom: 8px;
    line-height: 0;
}
.pd-fullbanner-wide {
    width: 100%;
    line-height: 0;
}
.pd-fullbanner-wide img {
    width: 100%;
    height: 340px;     /* 固定降低高度 */
    object-fit: fill;  /* 拉满铺满、无白边、无裁切（轻微纵向压扁） */
    display: block;
    border: none;
    outline: none;
    box-shadow: none;
}

/* 1.8 双图模块（左右两张图） */
.pd-dual { margin: 0 auto 28px; }
.pd-dual__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.pd-dual__item { line-height: 0; overflow: hidden; }
.pd-dual__item img { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: center; display: block; border: none; outline: none; box-shadow: none; }
@media (max-width: 768px) {
    .pd-dual__inner { grid-template-columns: 1fr; gap: 16px; }
    .pd-intro__features--cards { grid-template-columns: 1fr; gap: 12px; }
}

/* 7. 注意事项 */
.pd-notice__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pd-notice-card { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 26px 24px; box-shadow: none; display: flex; align-items: flex-start; gap: 16px; }
.pd-notice-card__icon { flex-shrink: 0; width: 60px; height: 60px; }
.pd-notice-card__icon svg { width: 60px; height: 60px; display: block; }
.pd-notice-card__body { flex: 1; min-width: 0; }
.pd-notice-card h4 { font-size: 17px; font-weight: 700; color: #1a56db; margin: 2px 0 10px; }
.pd-notice-card p { font-size: 14px; color: #64748b; line-height: 1.7; margin: 0; }

/* 8. 咨询表单 */
.pd-inquiry { background: #eaf1ff; }
.pd-inquiry { padding: 32px 0; }
.pd-inquiry__inner { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.pd-inquiry__intro .pd-h2 { font-size: 46px; line-height: 1.15; margin-bottom: 24px; }
.pd-inquiry__intro .pd-p { font-size: 19px; line-height: 1.8; }
.pd-inquiry__points { list-style: none; margin: 30px 0 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
.pd-inquiry__points li { display: flex; align-items: center; gap: 16px; font-size: 18px; font-weight: 600; color: #1e293b; }
.pd-inquiry__icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: #e8f0fe; display: flex; align-items: center; justify-content: center; color: #1a56db; }
.pd-inquiry__icon svg { width: 24px; height: 24px; }
.pd-inquiry__form { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 18px; padding: 32px; box-shadow: 0 12px 30px rgba(15,44,92,0.06); }

@media (max-width: 980px) {
    .pd-hero__title { font-size: 44px; }
    .pd-hero--img .pd-container { padding-left: 24px; }
    .pd-hero--img .pd-hero__title { font-size: 46px; }
    .pd-inquiry__inner,
    .pd-intro__inner { grid-template-columns: 1fr; gap: 32px; align-items: start; }
    .pd-intro__title { font-size: 34px; }
    .pd-inquiry__intro .pd-h2 { font-size: 34px; }
    .pd-inquiry__intro .pd-p { font-size: 17px; }
    .pd-notice__grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .pd-section { padding: 48px 0; }
    .pd-hero:not(.pd-hero--img) { padding: 48px 0 40px; }
    .pd-hero__title { font-size: 34px; }
    .pd-hero--img .pd-hero__title { font-size: 36px; }
    .pd-h2 { font-size: 26px; }
    .pd-inquiry__form { padding: 22px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero__title { font-size: 26px; }
    .hero__subtitle { font-size: 16px; }
    .btn { padding: 10px 22px; font-size: 14px; }

/* product/detail：pd-intro--pdefault 模块为 左图右字（独立命名，不影响 quality 及公共 default） */
.product-detail .pd-intro--pdefault .pd-intro__inner {
    grid-template-columns: 0.85fr 1.15fr;
}
.product-detail .pd-intro--pdefault .pd-intro__img {
    order: -1;
}
    .btn--lg { padding: 12px 28px; font-size: 15px; }
    .features-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .app-product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .about-stats { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-col { text-align: center; }
    .footer-social { justify-content: center; }
    .footer-qrcode { display: flex; justify-content: center; }
}