/* ============================================================
创世兴 CHUANSHI XING — Global Stylesheet
Theme: 蓝天白 (sky-blue & white) light industrial-tech
aesthetic. Clean white surfaces, sky-blue accents, soft
daylight shadows. Variable names --gold* are kept for
backward compatibility but now carry the blue palette.
Sections:
01. Reset & Variables
02. Base & Typography
03. Layout Utilities
04. Header & Language Switcher
05. Buttons
06. Hero (sky daylight parallax)
07. Section Headings
08. Cards (category / product / case)
09. Home Blocks
10. Products & Detail
11. Applications
12. Contact & Form
13. Footer
14. Back To Top & Reveal
15. Responsive
============================================================ */
/* ---------- 01. Reset & Variables ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
--bg: #f4f9fd; /* page sky-white */
--bg-2: #e9f2fb; /* alternating section */
--panel: #ffffff; /* card surface */
--panel-2: #f7fbff; /* card hover */
--line: rgba(20, 104, 184, .16); /* blue hairline */
--gold: #0d6ecd; /* primary blue */
--gold-lt: #1468b8; /* deep blue (text on light) */
--gold-deep: #0a4a8c; /* darkest blue */
--gold-pale: #7cc4ff; /* bright cyan (on dark chips) */
--text: #0e2740; /* near-black navy */
--sub: #5a7290; /* gray-blue secondary text */
--radius: 4px; /* restrained, editorial corners */
--shadow: 0 18px 42px rgba(14, 62, 116, .10);
--shadow-lg: 0 28px 60px rgba(14, 62, 116, .16);
--font-sans: "Inter", "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
--font-serif: "Inter", "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif; /* tech theme: sans headings */
}
html { scroll-behavior: smooth; }
body {
font-family: var(--font-sans);
background: var(--bg);
color: var(--text);
line-height: 1.7;
font-size: 15.5px;
-webkit-font-smoothing: antialiased;
overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
/* ---------- 02. Base & Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.25; letter-spacing: .5px; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.15rem; }
p { color: var(--sub); }
strong, b { color: var(--text); font-weight: 600; }
/* ---------- 03. Layout Utilities ---------- */
.container { width: min(1200px, 90%); margin: 0 auto; }
.section { padding: 96px 0; }
.section.alt { background: var(--bg-2); }
.section.tight { padding: 64px 0; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
/* ---------- 04. Header & Language Switcher ---------- */
.header {
position: fixed; inset: 0 0 auto 0; z-index: 1000;
border-bottom: 1px solid transparent;
transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease, box-shadow .4s ease;
}
.header.scrolled {
background: rgba(255, 255, 255, .92);
backdrop-filter: blur(12px);
border-bottom-color: var(--line);
box-shadow: 0 6px 24px rgba(14, 62, 116, .07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--text); }
/* 品牌标识：圆形徽章 Logo（源图六边形发光图形 + 深蓝金属底 + 发光边圈） */
.logo-img {
width: 40px; height: 40px; border-radius: 50%; flex: 0 0 auto;
box-shadow: 0 3px 12px rgba(13, 110, 205, .30);
transition: transform .35s ease, box-shadow .35s ease;
}
.logo:hover .logo-img { transform: scale(1.08); box-shadow: 0 6px 20px rgba(13, 110, 205, .46); }
/* 页脚 Logo 稍大，与大字号品牌名配平 */
.footer .logo-img, footer .logo-img { width: 52px; height: 52px; }
.logo-mark {
width: 34px; height: 34px; border-radius: 50%;
border: 1px solid var(--gold);
display: grid; place-items: center;
color: var(--gold-lt); font-size: .85rem;
background: radial-gradient(circle at 30% 20%, rgba(13, 110, 205, .12), transparent 70%);
}
.logo-text { font-family: var(--font-serif); font-size: 1.15rem; letter-spacing: 3px; }
.logo-text small { display: block; font-family: var(--font-sans); font-size: .58rem; letter-spacing: 3.5px; color: var(--gold); margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
padding: 9px 15px; font-size: .92rem; color: #334e6e;
position: relative; transition: color .3s;
}
.nav a::after {
content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 1px;
background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.nav a:hover, .nav a.active { color: var(--gold); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
/* Language switcher */
.lang-switch {
display: inline-flex; margin-left: 14px;
border: 1px solid var(--line); border-radius: 999px; overflow: hidden;
background: rgba(255, 255, 255, .7);
}
.lang-switch a {
padding: 6px 12px; font-size: .76rem; letter-spacing: .5px; color: var(--sub);
}
.lang-switch a::after { display: none; }
.lang-switch a + a { border-left: 1px solid var(--line); }
.lang-switch a.active { background: var(--gold); color: #fff; font-weight: 600; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 1.5px; background: var(--gold); transition: transform .3s, opacity .3s; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
/* ---------- 05. Buttons ---------- */
.btn {
display: inline-flex; align-items: center; justify-content: center; gap: 9px;
padding: 13px 30px; border-radius: 2px;
font-size: .88rem; letter-spacing: 1.2px; text-transform: uppercase;
border: 1px solid transparent; cursor: pointer;
transition: all .35s ease;
}
.btn-gold {
background: linear-gradient(120deg, var(--gold), #2f8ee0);
color: #fff; font-weight: 600;
box-shadow: 0 10px 26px rgba(13, 110, 205, .24);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(13, 110, 205, .34); }
.btn-ghost { border-color: rgba(13, 110, 205, .38); color: var(--gold); background: rgba(255, 255, 255, .6); }
.btn-ghost:hover { border-color: var(--gold); background: rgba(13, 110, 205, .08); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: .78rem; }
/* ---------- 06. Hero ---------- */
.hero {
position: relative; min-height: 94vh; display: flex; align-items: center;
overflow: hidden;
background:
linear-gradient(90deg, rgba(3,10,20,.90) 0%, rgba(3,10,20,.70) 32%, rgba(3,10,20,.34) 56%, rgba(3,10,20,.12) 78%, rgba(3,10,20,.28) 100%),
url("../images/hero-poster.jpg") center / cover no-repeat fixed;
}
.hero::before { /* top & bottom vignette keeps the headline readable */
content: ""; position: absolute; inset: 0;
background:
linear-gradient(180deg, rgba(2,7,14,.62) 0%, rgba(2,7,14,0) 26%, rgba(2,7,14,0) 58%, rgba(2,7,14,.78) 100%);
pointer-events: none;
}
.hero::after { display: none; }
.hero-inner { position: relative; z-index: 2; max-width: 860px; }
.hero .eyebrow {
display: inline-block; margin-bottom: 26px;
color: var(--gold); font-size: .74rem; letter-spacing: 5px; text-transform: uppercase;
}
.hero h1 {
color: #fff; margin-bottom: 0;
font-size: clamp(2.5rem, 5.8vw, 4.6rem); line-height: 1.18;
text-shadow: 0 10px 40px rgba(0, 0, 0, .55), 0 2px 10px rgba(0, 0, 0, .35);
}
.hero h1 em { font-style: normal; color: #8fd0ff; }
.hero p.lead { font-size: 1.05rem; max-width: 600px; margin-bottom: 38px; color: #44607f; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
/* ---------- 06c. Header over dark hero ---------- */
body.hero-dark .header:not(.scrolled) .logo-text,
body.hero-dark .header:not(.scrolled) .logo-text small { color: #fff; }
body.hero-dark .header:not(.scrolled) .nav-toggle span { background: #fff; }
body.hero-dark .header:not(.scrolled) .lang-switch { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.28); }
body.hero-dark .header:not(.scrolled) .lang-switch a { color: rgba(255,255,255,.82); }
body.hero-dark .header:not(.scrolled) .lang-switch a + a { border-color: rgba(255,255,255,.22); }
body.hero-dark .header:not(.scrolled) .lang-switch a.active { background: #fff; color: #0d6ecd; }
@media (min-width: 769px) {
body.hero-dark .header:not(.scrolled) .nav a { color: rgba(255,255,255,.88); }
body.hero-dark .header:not(.scrolled) .nav a:hover,
body.hero-dark .header:not(.scrolled) .nav a.active { color: #8fd0ff; }
body.hero-dark .header:not(.scrolled) .nav a::after { background: #8fd0ff; }
}
/* ---------- 06b. Hero banner slider (homepage carousel) ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hero-slider { display: block; min-height: 0; padding: 0; background: #040b14; position: relative; }
.hs-slides { position: relative; height: clamp(420px, 72vh, 760px); overflow: hidden; }
.hs-slide { position: absolute; inset: 0; display: block; opacity: 0; transform: scale(1.03); transition: opacity .9s ease, transform 7s linear; }
.hs-slide.active { opacity: 1; transform: scale(1); z-index: 1; }
.hs-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.hs-cta {
position: absolute; left: 7%; bottom: 108px; display: inline-flex; align-items: center; gap: 10px;
padding: 12px 22px; border: 1px solid rgba(255,255,255,.42); border-radius: 2px;
color: #fff; font-size: .84rem; letter-spacing: 2px;
background: rgba(4,12,22,.42); backdrop-filter: blur(6px); transition: .3s;
}
.hs-slide:hover .hs-cta { background: rgba(13,110,205,.88); border-color: transparent; }
.hs-cta-arrow { font-size: 1rem; transition: transform .3s; }
.hs-slide:hover .hs-cta-arrow { transform: translateX(4px); }
.hs-arrow {
position: absolute; top: calc(50% - 46px); z-index: 3; width: 52px; height: 52px;
border: 1px solid rgba(255,255,255,.32); background: rgba(4,12,22,.32); color: #fff;
font-size: 1.5rem; line-height: 1; cursor: pointer; transition: .25s;
}
.hs-arrow:hover { background: rgba(13,110,205,.85); border-color: transparent; }
.hs-arrow.prev { left: 28px; }
.hs-arrow.next { right: 28px; }
.hs-dots { position: absolute; left: 50%; transform: translateX(-50%); bottom: 66px; z-index: 3; display: flex; gap: 10px; }
.hs-dot { width: 28px; height: 3px; border: 0; padding: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: .3s; }
.hs-dot.active { background: #fff; width: 46px; }
/* dark glass stat bar over the carousel */
.hero-slider .hero-marquee { background: rgba(4, 10, 18, .55); border-top-color: rgba(255,255,255,.14); backdrop-filter: blur(10px); }
.hero-slider .hero-marquee b { color: #8fd0ff; }
.hero-slider .hero-marquee span { color: rgba(255,255,255,.62); }
.hero-marquee {
position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
border-top: 1px solid rgba(20, 104, 184, .18);
background: rgba(255, 255, 255, .72); backdrop-filter: blur(8px);
display: flex; justify-content: space-around; flex-wrap: wrap; gap: 18px;
padding: 20px 5%;
}
.hero-marquee div { text-align: center; }
.hero-marquee b { display: block; font-family: var(--font-serif); font-size: 1.5rem; color: var(--gold); }
.hero-marquee span { font-size: .76rem; letter-spacing: 1.5px; color: var(--sub); text-transform: uppercase; }
/* Inner page hero */
.page-hero {
position: relative; padding: 200px 0 96px; text-align: center;
background:
linear-gradient(180deg, #d8eafb 0%, #e9f3fd 100%),
url("../images/app-theatre.jpg") center / cover no-repeat fixed;
overflow: hidden;
}
.page-hero::before {
content: ""; position: absolute; inset: 0;
background: linear-gradient(180deg, rgba(250,253,255,.92), rgba(228,241,252,.88));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: var(--text); }
.page-hero .sb { color: var(--gold); letter-spacing: 4px; font-size: .72rem; text-transform: uppercase; margin-bottom: 16px; display: block; }
.page-hero .crumbs { margin-top: 14px; font-size: .82rem; color: var(--sub); letter-spacing: 1px; }
.page-hero .crumbs a:hover { color: var(--gold); }
/* ---------- 07. Section Headings ---------- */
.sec-head { margin-bottom: 54px; max-width: 720px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .kicker {
display: block; color: var(--gold); font-size: .72rem; letter-spacing: 4px;
text-transform: uppercase; margin-bottom: 14px;
}
.sec-head h2 { color: var(--text); }
.sec-head p { margin-top: 14px; }
.rule { width: 56px; height: 1px; background: var(--gold); margin: 20px 0; }
.sec-head.center .rule { margin-left: auto; margin-right: auto; }
/* ---------- 08. Cards ---------- */
.card {
position: relative; background: var(--panel);
border: 1px solid var(--line);
border-radius: var(--radius); overflow: hidden;
box-shadow: var(--shadow);
transition: transform .45s ease, border-color .45s ease, box-shadow .45s ease;
}
.card:hover { transform: translateY(-6px); border-color: rgba(13, 110, 205, .45); box-shadow: var(--shadow-lg); }
.card-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #dceaf8; }
.card-img img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1) saturate(1.02); transition: transform .8s ease, filter .5s ease; }
.card:hover .card-img img { transform: scale(1.07); filter: brightness(1.04) saturate(1.06); }
.card-img::after { /* soft daylight fade at the image foot */
content: ""; position: absolute; inset: 0;
background: linear-gradient(180deg, transparent 55%, rgba(232, 243, 252, .55));
}
.card-body { padding: 26px 26px 30px; }
.card-body h3 { color: var(--text); margin-bottom: 10px; }
.card-body p { font-size: .9rem; }
.card-link {
display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
color: var(--gold); font-size: .8rem; letter-spacing: 1.5px; text-transform: uppercase;
}
.card-link::after { content: "→"; transition: transform .35s; }
.card:hover .card-link::after { transform: translateX(5px); }
/* Category card (4 business lines) */
.cat-card { position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
.cat-card img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.94) saturate(1.02); transition: transform .9s ease, filter .6s ease; }
.cat-card::after {
content: ""; position: absolute; inset: 0;
background: linear-gradient(180deg, rgba(255,255,255,.10) 20%, rgba(247, 251, 255, .92));
}
.cat-card:hover img { transform: scale(1.08); filter: brightness(1.02) saturate(1.08); }
.cat-inner { position: absolute; inset: auto 0 0 0; z-index: 2; padding: 26px; }
.cat-num { font-family: var(--font-serif); font-size: .9rem; color: var(--gold); letter-spacing: 2px; }
.cat-inner h3 { color: var(--text); font-size: 1.35rem; margin: 8px 0 6px; }
.cat-inner p { font-size: .84rem; color: var(--sub); }
.cat-inner .cat-go { display: inline-block; margin-top: 14px; color: var(--gold-lt); font-size: .78rem; letter-spacing: 2px; }
/* ---------- 09. Home Blocks ---------- */
.intro { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }
.intro-media { position: relative; }
.intro-media img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.intro-media::before {
content: ""; position: absolute; inset: 18px -18px -18px 18px;
border: 1px solid var(--line); border-radius: var(--radius); z-index: -1;
}
.intro-list { margin-top: 26px; display: grid; gap: 16px; }
.intro-list li { display: flex; gap: 14px; font-size: .93rem; color: var(--sub); }
.intro-list li b { color: var(--text); display: block; font-size: .96rem; }
.intro-list .n { color: var(--gold); font-family: var(--font-serif); font-size: .95rem; flex: 0 0 auto; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.why-item { background: var(--panel); padding: 40px 28px; text-align: center; transition: background .4s; }
.why-item:hover { background: var(--panel-2); }
.why-item b { display: block; font-family: var(--font-serif); font-size: 1.9rem; color: var(--gold); }
.why-item span { font-size: .82rem; letter-spacing: 1px; color: var(--sub); }
.cta-band {
position: relative; overflow: hidden;
border: 1px solid rgba(13, 110, 205, .22); border-radius: var(--radius);
padding: 64px 56px; display: flex; align-items: center; justify-content: space-between;
gap: 32px; flex-wrap: wrap;
box-shadow: var(--shadow);
background:
radial-gradient(ellipse at 15% 20%, rgba(13, 110, 205, .10), transparent 60%),
linear-gradient(120deg, #eef6fd, #e0eefb 65%, #d3e7f9);
}
.cta-band h2 { color: var(--text); }
.cta-band p { margin-top: 10px; max-width: 540px; }
/* ---------- 09b. Product Line Carousel (四大产品线海报轮播) ----------
Each .pl-slide holds one poster. To upgrade a slide to a looping
video later, replace the ![]()
inside .pl-media with:
*/
.pl-carousel {
position: relative; overflow: hidden;
height: clamp(420px, 58vh, 600px);
border: 1px solid var(--line);
border-radius: var(--radius);
box-shadow: var(--shadow-lg);
background: #e4effa;
}
.pl-slide {
position: absolute; inset: 0;
opacity: 0; visibility: hidden;
transition: opacity .9s ease, visibility .9s;
}
.pl-slide.active { opacity: 1; visibility: visible; }
.pl-media { position: absolute; inset: 0; }
.pl-media img, .pl-media video {
width: 100%; height: 100%; object-fit: cover;
filter: brightness(1.02) saturate(1.04);
transform: scale(1); transition: transform 6.5s linear;
}
/* slow "Ken Burns" zoom while the slide is on screen */
.pl-slide.active .pl-media img, .pl-slide.active .pl-media video { transform: scale(1.08); }
/* no gradient overlay: show the real photo as-is */
/* whole poster is clickable: transparent hit layer above the image,
below the caption (z-2) so the CTA button keeps its own click */
.pl-hit { position: absolute; inset: 0; z-index: 2; display: block; cursor: pointer; }
.pl-hit:focus-visible { outline: 2px solid var(--gold); outline-offset: -6px; }
.pl-slide:hover .pl-media img, .pl-slide:hover .pl-media video { filter: brightness(1.06) saturate(1.1); }
.pl-caption {
position: absolute; left: 0; bottom: 0; z-index: 3;
max-width: 640px; padding: 0 max(48px, 6vw) 48px;
}
.pl-caption .pl-num {
display: block; color: #ffd76a;
font-size: .74rem; letter-spacing: 4px; text-transform: uppercase;
text-shadow: 0 1px 8px rgba(0, 0, 0, .55);
}
.pl-caption h3 { color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); margin: 12px 0 8px; text-shadow: 0 2px 14px rgba(0, 0, 0, .5); }
.pl-caption p { color: rgba(255, 255, 255, .92); font-size: .98rem; margin-bottom: 28px; text-shadow: 0 1px 8px rgba(0, 0, 0, .55); }
/* staged entrance for caption content */
.pl-caption > * { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.pl-slide.active .pl-caption > * { opacity: 1; transform: none; }
.pl-slide.active .pl-caption > *:nth-child(2) { transition-delay: .12s; }
.pl-slide.active .pl-caption > *:nth-child(3) { transition-delay: .24s; }
.pl-slide.active .pl-caption > *:nth-child(4) { transition-delay: .36s; }
/* side arrows */
.pl-arrow {
position: absolute; top: 50%; transform: translateY(-50%); z-index: 4;
width: 48px; height: 48px; border-radius: 50%;
border: 1px solid rgba(20, 104, 184, .22); background: rgba(255, 255, 255, .82);
color: var(--gold-lt); font-size: 1.05rem; cursor: pointer;
backdrop-filter: blur(6px); transition: all .3s;
box-shadow: 0 4px 14px rgba(14, 62, 116, .12);
}
.pl-arrow:hover { border-color: var(--gold); color: var(--gold); background: #fff; }
.pl-arrow.prev { left: 22px; }
.pl-arrow.next { right: 22px; }
/* bottom progress dots (bar style) */
.pl-dots { position: absolute; right: max(48px, 6vw); bottom: 32px; z-index: 4; display: flex; gap: 10px; }
.pl-dot {
width: 34px; height: 3px; padding: 0; border: 0; border-radius: 2px;
background: rgba(20, 104, 184, .26); cursor: pointer;
transition: background .3s, width .3s;
}
.pl-dot:hover { background: rgba(20, 104, 184, .5); }
.pl-dot.active { background: var(--gold); width: 48px; }
/* ---------- 09c. Media Showcase (产品中心大屏视频) ----------
Poster + play button today; when an mp4 is provided in
window.PRODUCT_VIDEOS (see products.html), the same area plays it. */
.media-showcase {
position: relative; overflow: hidden;
height: clamp(340px, 52vh, 560px);
margin-bottom: 54px;
border: 1px solid var(--line); border-radius: var(--radius);
box-shadow: var(--shadow-lg);
background: #e4effa;
}
.ms-media, .ms-media img, .ms-media video {
position: absolute; inset: 0; width: 100%; height: 100%;
}
.ms-media img, .ms-media video { object-fit: cover; filter: brightness(.94) saturate(1.02); }
.ms-scrim {
position: absolute; inset: 0; z-index: 1;
background:
linear-gradient(90deg, rgba(250,253,255,.92), rgba(236,245,253,.22) 55%),
linear-gradient(180deg, transparent 55%, rgba(238,246,254,.82));
}
.ms-play {
position: absolute; left: 50%; top: 50%; z-index: 3;
transform: translate(-50%, -50%);
width: 88px; height: 88px; border-radius: 50%;
border: 1px solid rgba(13, 110, 205, .35); background: rgba(255, 255, 255, .88);
color: var(--gold); font-size: 1.35rem; padding-left: 8px;
cursor: pointer; backdrop-filter: blur(6px);
box-shadow: 0 6px 20px rgba(14, 62, 116, .16);
transition: all .3s ease;
}
.ms-play:hover {
border-color: var(--gold); background: #fff;
transform: translate(-50%, -50%) scale(1.08);
box-shadow: 0 10px 32px rgba(13, 110, 205, .26);
}
/* 声音开关：浏览器禁止有声自动播放，需用户手动开声 */
.ms-sound {
position: absolute; right: 26px; top: 26px; z-index: 4;
display: inline-flex; align-items: center; gap: 9px;
padding: 10px 20px; border-radius: 999px; cursor: pointer;
border: 1px solid rgba(13, 110, 205, .28);
background: rgba(255, 255, 255, .9); color: var(--gold-lt);
font-size: .82rem; letter-spacing: 1px;
backdrop-filter: blur(8px); transition: all .3s ease;
box-shadow: 0 4px 14px rgba(14, 62, 116, .10);
}
.ms-sound:hover { border-color: var(--gold); background: #fff; }
.ms-sound-ico { font-size: 1.05rem; line-height: 1; }
.ms-sound.is-on { border-color: var(--gold); color: #fff; background: var(--gold); }
/* 视频加声音后不需要压暗 */
.ms-media video.with-sound { filter: brightness(1) saturate(1.06); }
.ms-caption { position: absolute; left: 0; bottom: 0; z-index: 2; max-width: 560px; padding: 0 max(40px, 5vw) 40px; }
.ms-caption .ms-tag { display: block; color: var(--gold); font-size: .72rem; letter-spacing: 4px; text-transform: uppercase; }
.ms-caption h3 { color: var(--text); font-size: clamp(1.4rem, 2.6vw, 2rem); margin: 8px 0 6px; }
.ms-caption p { color: #44607f; font-size: .9rem; }
.ms-hint {
position: absolute; top: 22px; left: 50%; z-index: 4;
transform: translateX(-50%);
padding: 8px 20px; border-radius: 999px;
background: rgba(255, 255, 255, .94); border: 1px solid var(--line);
color: var(--gold-lt); font-size: .8rem; letter-spacing: 1px;
opacity: 0; pointer-events: none; transition: opacity .4s;
box-shadow: 0 4px 14px rgba(14, 62, 116, .10);
}
.ms-hint.show { opacity: 1; }
/* ---------- 10. Products & Detail ---------- */
.filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 50px; }
.filter-btn {
padding: 12px 30px; background: rgba(255, 255, 255, .7); color: var(--sub);
border: 1px solid var(--line); border-radius: 999px;
font-size: 1.08rem; letter-spacing: 1px; cursor: pointer; transition: all .3s;
}
.filter-btn:hover { color: var(--gold); border-color: rgba(13, 110, 205, .45); background: #fff; }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: #fff; font-weight: 600; }
.badge {
position: absolute; top: 14px; left: 14px; z-index: 3;
padding: 4px 12px; font-size: .68rem; letter-spacing: 1.5px; text-transform: uppercase;
background: rgba(255, 255, 255, .92); border: 1px solid var(--gold); color: var(--gold-lt);
backdrop-filter: blur(4px);
box-shadow: 0 3px 10px rgba(14, 62, 116, .10);
}
.detail-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 56px; align-items: start; }
.detail-media { position: relative; }
.detail-media img { width: 100%; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.detail-info .model { color: var(--gold); letter-spacing: 3px; font-size: .74rem; text-transform: uppercase; }
.detail-info h1 { color: var(--text); margin: 12px 0 14px; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.detail-info .desc { font-size: .96rem; }
.detail-list { margin: 26px 0 30px; display: grid; gap: 12px; }
.detail-list li { position: relative; padding-left: 22px; font-size: .92rem; color: var(--sub); }
.detail-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 1px; background: var(--gold); }
.detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.spec-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--panel); }
.spec-table { width: 100%; min-width: 560px; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 15px 24px; text-align: left; font-size: .9rem; }
.spec-table thead th { background: rgba(13, 110, 205, .08); color: var(--gold-lt); font-size: .76rem; letter-spacing: 2px; text-transform: uppercase; font-weight: 600; }
.spec-table tbody tr { border-top: 1px solid rgba(20, 104, 184, .10); }
.spec-table tbody tr:hover { background: rgba(13, 110, 205, .04); }
.spec-table td:first-child { color: var(--sub); width: 42%; }
.spec-table td:last-child { color: var(--text); }
/* ---------- 10b. Shop Layout (产品中心左侧栏) ---------- */
.shop-layout { display: grid; grid-template-columns: 268px 1fr; gap: 48px; align-items: start; }
.side-nav { position: sticky; top: 100px; display: grid; gap: 18px; }
.side-block {
border: 1px solid var(--line); background: var(--panel);
border-radius: var(--radius); padding: 22px 22px 16px;
box-shadow: var(--shadow);
}
.side-block > h4 {
font-family: var(--font-sans); font-size: .74rem; letter-spacing: 2.5px;
text-transform: uppercase; color: var(--gold); margin-bottom: 14px;
}
.side-links li { border-bottom: 1px solid rgba(20, 104, 184, .09); }
.side-links > li:last-child { border-bottom: 0; }
.side-links a {
display: flex; align-items: center; gap: 10px; padding: 10px 2px;
font-size: .9rem; color: #334e6e; transition: color .25s, padding-left .25s;
}
.side-links a::before {
content: ""; flex: 0 0 auto; width: 5px; height: 5px; border-radius: 50%;
background: rgba(13, 110, 205, .35); transition: all .25s;
}
.side-links a:hover, .side-links a.active { color: var(--gold); padding-left: 6px; }
.side-links a.active::before { background: var(--gold); box-shadow: 0 0 10px rgba(13, 110, 205, .5); }
/* 每个板块下的 3 个细分品类 */
.side-sub { margin: 0 0 10px 13px; padding-left: 12px; border-left: 1px solid rgba(20, 104, 184, .16); }
.side-sub li { border-bottom: 0; }
.side-sub a { font-size: .84rem; color: var(--sub); padding: 6px 2px; }
.side-sub a::before { display: none; }
.side-sub a:hover, .side-sub a.active { color: var(--gold); padding-left: 6px; }
.side-cta { background: linear-gradient(150deg, #eef6fd, #dcebf9); border-color: rgba(13, 110, 205, .22); }
.side-cta p { font-size: .84rem; margin-bottom: 16px; }
.side-cta .btn { width: 100%; }
/* 预留产品位标记 */
.card .slot-tag {
position: absolute; top: 14px; right: 14px; z-index: 3;
padding: 4px 10px; font-size: .64rem; letter-spacing: 1.5px;
border: 1px dashed rgba(13, 110, 205, .45); color: var(--gold-lt);
background: rgba(255, 255, 255, .92);
}
.card.slot .card-img img { filter: brightness(.97) saturate(.55); }
.card.slot:hover .card-img img { filter: brightness(1.02) saturate(.75); }
/* ---------- 11. Applications ---------- */
.app-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); box-shadow: var(--shadow); }
.app-row + .app-row { margin-top: -1px; }
.app-row .app-media { min-height: 360px; overflow: hidden; }
.app-row .app-media img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.98) saturate(1.02); }
.app-row .app-body { padding: 56px 52px; background: var(--panel); display: flex; flex-direction: column; justify-content: center; }
.app-row.reverse .app-media { order: 2; }
.app-row .app-body h2 { color: var(--text); margin: 10px 0 14px; }
.app-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.app-tags span { font-size: .74rem; padding: 5px 12px; border: 1px solid var(--line); color: var(--gold-lt); letter-spacing: 1px; background: rgba(255,255,255,.6); }
/* ---------- 12. Contact & Form ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.info-card { border: 1px solid var(--line); background: var(--panel); padding: 34px; border-radius: var(--radius); box-shadow: var(--shadow); }
.info-card + .info-card { margin-top: 22px; }
.info-card h3 { color: var(--text); margin-bottom: 18px; }
.info-line { display: flex; gap: 14px; padding: 9px 0; }
.info-line .ic { flex: 0 0 auto; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--gold); font-size: .8rem; background: rgba(13,110,205,.05); }
.info-line b { display: block; color: var(--text); font-size: .9rem; }
.info-line span, .info-line a { color: var(--sub); font-size: .88rem; word-break: break-word; }
.info-line a:hover { color: var(--gold); }
.form-card { border: 1px solid var(--line); background: var(--panel); padding: 42px; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.form-card h2 { color: var(--text); margin-bottom: 8px; }
.form-card > p { margin-bottom: 28px; font-size: .92rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 8px; font-size: .8rem; letter-spacing: 1px; color: #334e6e; }
.form-group input, .form-group select, .form-group textarea {
width: 100%; padding: 13px 16px; font-family: inherit; font-size: .92rem;
color: var(--text); background: #fff;
border: 1px solid rgba(20, 104, 184, .20); border-radius: 2px;
transition: border-color .3s, box-shadow .3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(13,110,205,.10);
}
.form-group textarea { min-height: 128px; resize: vertical; }
.form-note { font-size: .78rem; color: var(--sub); margin-top: 14px; }
.form-success {
display: none; margin-top: 20px; padding: 18px 22px;
border: 1px solid rgba(13,110,205,.35); background: rgba(13,110,205,.07);
color: var(--gold-lt); font-size: .9rem; border-radius: 2px;
}
.form-success.show { display: block; animation: fadeUp .5s ease; }
/* ---------- 13. Footer ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 54px; }
.footer h4 { color: var(--gold); font-family: var(--font-sans); font-size: .8rem; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 20px; font-weight: 600; }
.footer p { font-size: .88rem; }
.footer li { margin-bottom: 10px; }
.footer li a { color: var(--sub); font-size: .88rem; transition: color .3s; }
.footer li a:hover { color: var(--gold); }
.socials { display: flex; gap: 10px; margin-top: 20px; }
.socials a { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; font-size: .72rem; color: var(--sub); background: rgba(255,255,255,.7); transition: all .3s; }
.socials a:hover { border-color: var(--gold); color: var(--gold); background: #fff; }
.footer-bottom { border-top: 1px solid rgba(20, 104, 184, .12); padding: 22px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .8rem; color: #7b8ea6; }
/* ---------- 14. Back To Top & Reveal ---------- */
#backToTop {
position: fixed; right: 26px; bottom: 26px; z-index: 900;
width: 46px; height: 46px; border-radius: 50%;
border: 1px solid var(--gold); background: rgba(255, 255, 255, .94); color: var(--gold);
cursor: pointer; font-size: 1rem; opacity: 0; visibility: hidden; transform: translateY(12px);
transition: all .35s; box-shadow: 0 6px 18px rgba(14, 62, 116, .16);
}
#backToTop.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover { background: var(--gold); color: #fff; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
/* ---------- 15. Responsive ---------- */
@media (max-width: 1024px) {
.grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
.shop-layout { grid-template-columns: 1fr; gap: 36px; }
.side-nav { position: static; grid-template-columns: repeat(2, 1fr); }
.side-cta { grid-column: 1 / -1; }
.why-grid { grid-template-columns: repeat(2, 1fr); }
.intro, .detail-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
.intro-media::before { display: none; }
.footer-grid { grid-template-columns: 1fr 1fr; }
.hero, .page-hero { background-attachment: scroll; }
}
@media (max-width: 768px) {
.section { padding: 66px 0; }
.grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
.app-row { grid-template-columns: 1fr; }
.app-row.reverse .app-media { order: 0; }
.app-row .app-body { padding: 38px 26px; }
.app-row .app-media { min-height: 240px; }
.form-row { grid-template-columns: 1fr; }
.cta-band { padding: 42px 26px; }
/* poster carousel: swipe instead of arrows */
.pl-carousel { height: 118vw; min-height: 380px; max-height: 520px; }
.pl-arrow { display: none; }
.pl-caption { padding: 0 5% 64px; }
.pl-caption h3 { font-size: 1.75rem; }
.pl-dots { right: 5%; bottom: 20px; }
/* big-screen video showcase */
.media-showcase { height: 62vw; min-height: 300px; max-height: 420px; margin-bottom: 40px; }
.ms-play { width: 68px; height: 68px; font-size: 1.05rem; }
.ms-sound { right: 14px; top: 14px; padding: 8px 15px; font-size: .75rem; }
.ms-caption { padding: 0 5% 28px; }
.hero-marquee { position: static; margin-top: 40px; }
.hero { min-height: 74vh; padding: 150px 0 46px; }
.hero-inner { max-width: 100%; }
.hero h1 { font-size: clamp(2.2rem, 10vw, 3rem); }
/* hero banner slider on phones */
.hero-slider { padding: 0; min-height: 0; }
.hs-slides { height: clamp(240px, 62vw, 400px); }
.hs-slide img { object-position: 24% center; }
.hs-arrow { display: none; }
.hs-cta { left: 5%; bottom: 14px; padding: 9px 15px; font-size: .72rem; letter-spacing: 1px; }
.hs-dots { bottom: 12px; left: auto; right: 5%; transform: none; }
.hs-dot { width: 18px; } .hs-dot.active { width: 30px; }
.hero-slider .hero-marquee { margin-top: 0; }
.nav-toggle { display: flex; }
.nav {
position: fixed; top: 76px; left: 0; right: 0;
flex-direction: column; align-items: stretch;
padding: 20px 5% 26px;
background: rgba(255, 255, 255, .99); border-bottom: 1px solid var(--line);
box-shadow: 0 18px 40px rgba(14, 62, 116, .12);
transform: translateY(-130%); transition: transform .4s ease; z-index: 999;
}
.nav-open .nav { transform: translateY(0); }
.nav a { padding: 14px 4px; border-bottom: 1px solid rgba(20, 104, 184, .09); }
.nav .btn { margin-top: 16px; }
.lang-switch { margin: 16px 0 0; align-self: flex-start; }
}