:root {
  --blue: #00274c;
  --blue-deep: #001a33;
  --blue-mid: #063b70;
  --maize: #ffcb05;
  --white: #f8fbff;
  --muted: #b8c7d8;
  --line: rgba(255,255,255,.16);
  --max: 1420px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--blue); color: var(--white); font-family: Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.65; }
html[lang="zh-CN"] body { font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; }
html[lang="en"] body { font-family: Arial, "Helvetica Neue", "Segoe UI", sans-serif; }
button,input,textarea,select { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
h1,h2,h3,p { margin-top: 0; }
h1,h2,h3 { line-height: 1.1; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; color: var(--blue); background: var(--maize); }
.skip-link:focus { top: 12px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 88px; padding: 14px clamp(20px,4vw,64px); border-bottom: 1px solid rgba(255,255,255,.12); background: rgba(0,39,76,.97); backdrop-filter: blur(18px); transition: background .3s; }
.site-header.scrolled { background: rgba(0,26,51,.96); }
.brand { display: flex; align-items: center; gap: 13px; }
.brand svg,.footer-brand svg { width: 45px; height: 45px; }
.mark-frame { fill: none; stroke: var(--maize); stroke-width: 4; }
.mark-cube { fill: none; stroke: var(--white); stroke-width: 4; stroke-linejoin: round; }
.brand span { display: grid; line-height: 1.1; }
.brand strong { font-size: .97rem; letter-spacing: .12em; }
.brand small { margin-top: 6px; color: var(--maize); font-size: .62rem; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: clamp(18px,2vw,32px); font-size: .84rem; }
.site-nav > a:not(.language) { color: #dce8f4; }
.site-nav > a:not(.language):hover { color: var(--maize); }
.language { padding: 10px 15px; background: var(--maize); color: var(--blue-deep); font-weight: 800; }
.menu-button { display: none; width: 44px; height: 42px; padding: 10px; border: 0; background: transparent; }
.menu-button span { display: block; height: 2px; margin: 6px 0; background: var(--maize); }

.hero { position: relative; min-height: 100vh; padding: 88px 0 0; overflow: hidden; color: var(--blue); background: radial-gradient(circle at 78% 26%,rgba(255,255,255,.92),transparent 34%),linear-gradient(145deg,#eaf5fc 0%,#cfe4f3 100%); }
.hero::before { content: ""; position: absolute; inset: 88px 0 0; opacity: .36; background-image: linear-gradient(rgba(0,39,76,.065) 1px,transparent 1px),linear-gradient(90deg,rgba(0,39,76,.065) 1px,transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg,transparent,black 24%,black 88%,transparent); pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0,1fr) minmax(430px,.95fr); align-items: center; gap: clamp(48px,6vw,96px); max-width: var(--max); min-height: calc(100vh - 205px); margin: 0 auto; padding: 72px clamp(20px,4vw,64px) 48px; }
.hero-copy { max-width: 720px; }
.eyebrow,.section-index { color: var(--maize); font-size: .72rem; font-weight: 800; letter-spacing: .22em; }
.hero h1 { margin: 0 0 20px; font-size: clamp(3.45rem,6vw,6.4rem); font-weight: 700; letter-spacing: -.045em; }
.hero h1 em { color: #1f6f9f; font-style: normal; }
html[lang="en"] .hero h1 { font-size: clamp(2.85rem,4.25vw,4.6rem); line-height: 1.03; }
.hero .eyebrow { color: #356f98; }
.hero-slogan { margin: 0 0 26px; color: var(--maize); font-size: clamp(.92rem,1.2vw,1.12rem); font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.hero-lead { max-width: 680px; color: #34546f; font-size: clamp(1rem,1.2vw,1.16rem); }
.hero-actions { display: flex; gap: 14px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 22px; border: 2px solid var(--maize); font-size: .88rem; font-weight: 800; transition: transform .2s,background .2s,color .2s; }
.button:hover { transform: translateY(-2px); }
.hero .button { border-color: #2d6d98; }
.hero .button.primary { background: var(--blue); color: var(--white); }
.hero .button.ghost { color: var(--blue); }
.hero .button.ghost:hover { background: #2d6d98; color: var(--white); }
.hero-visual { position: relative; height: min(54vh,540px); min-height: 460px; overflow: hidden; padding: 0; background: linear-gradient(145deg,#f3f9fd,#dcecf7); border: 1px solid rgba(0,39,76,.12); border-radius: 2px; box-shadow: 0 20px 54px rgba(0,39,76,.16); }
.hero-visual::before { content: ""; position: absolute; z-index: 6; inset: 18px; border: 1px solid rgba(0,39,76,.15); pointer-events: none; }
.hero-slides { height: 100%; overflow-x: hidden; overflow-y: auto; scroll-behavior: smooth; scroll-snap-type: y mandatory; scrollbar-width: none; }
.hero-slides::-webkit-scrollbar { display: none; }
.hero-slide { position: relative; display: grid; width: 100%; height: 100%; min-height: 100%; overflow: hidden; padding: clamp(28px,4vw,54px) clamp(22px,3vw,42px) 150px; place-items: center; scroll-snap-align: start; scroll-snap-stop: always; }
.hero-slide > img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: contain; filter: saturate(1.04) contrast(1.02); }
.hero-slide-vibration { grid-template-rows: minmax(0,1fr) auto auto; gap: 10px; padding: 34px 34px 28px; place-items: stretch; }
.hero-slide-vibration > img { min-height: 0; }
.mode-labels { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; color: #6c8499; font-size: clamp(.72rem,.85vw,.88rem); font-weight: 700; letter-spacing: .08em; text-align: center; }
.vibration-caption { position: relative; z-index: 2; display: block; padding: 9px 13px; background: rgba(0,39,76,.92); border-left: 4px solid var(--maize); color: var(--maize); font-size: .68rem; font-weight: 900; letter-spacing: .14em; line-height: 1.4; }
.hero-scroll-indicator { position: absolute; z-index: 8; top: 0; right: 0; width: 8px; height: 100%; background: rgba(255,203,5,.18); pointer-events: none; }
.hero-scroll-indicator span { display: block; width: 100%; height: 50%; background: var(--maize); transform: translateY(var(--slide-shift,0%)); transition: transform .35s ease; }
.hero-visual-caption { position: absolute; z-index: 3; right: 28px; bottom: 102px; left: 28px; padding: 9px 13px; background: rgba(0,39,76,.92); border-left: 4px solid var(--maize); color: var(--maize); font-size: .68rem; font-weight: 900; letter-spacing: .14em; line-height: 1.4; }
.hero-code { position: absolute; z-index: 2; inset: auto 28px 24px; min-height: 68px; padding: 12px 14px; background: rgba(255,255,255,.7); border-top: 2px solid rgba(0,39,76,.18); }
.hero-code strong { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; color: var(--blue); font-size: .67rem; line-height: 1.25; letter-spacing: .025em; text-align: center; }
.hero-code strong i { display: grid; place-items: center; min-height: 40px; padding: 5px 4px; background: rgba(0,39,76,.075); font-style: normal; font-weight: 800; }
.hero-stats { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(3,1fr); max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px,4vw,64px); background: #d8e9f5; color: var(--blue-deep); border-top: 1px solid rgba(0,39,76,.12); }
.hero-stats > div { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; padding: 26px 30px; border-right: 1px solid rgba(0,39,76,.23); }
.hero-stats strong { font-size: 1.65rem; }
.hero-stats span { font-size: .78rem; font-weight: 700; line-height: 1.45; }

.intro,.services,.work { max-width: var(--max); margin: 0 auto; padding: 126px clamp(20px,4vw,64px); }
.intro-head { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding: 28px 0 56px; }
.intro h2,.section-title h2,.method h2,.contact-card h2 { margin-bottom: 0; font-size: clamp(2.35rem,4.8vw,5.3rem); font-weight: 700; letter-spacing: -.04em; }
html[lang="zh-CN"] .intro-head h2 { font-size: clamp(2.05rem,3.2vw,3.45rem); line-height: 1.12; }
.intro-head h2 .title-line { display: block; white-space: nowrap; }
.intro-head p { max-width: 620px; margin-bottom: 0; color: var(--muted); align-self: end; }
.principles { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.principles article { position: relative; min-height: 230px; padding: 30px 26px; background: var(--blue-mid); border-top: 8px solid var(--maize); }
.principles article:nth-child(even) { background: #083461; }
.principles span,.case-grid span,.contact-card > span { color: var(--maize); font-size: .68rem; font-weight: 800; letter-spacing: .18em; }
.principles h3 { margin: 48px 0 12px; font-size: 1.18rem; }
.principles p { color: var(--muted); font-size: .86rem; }

.team { max-width: none; padding: 82px max(clamp(20px,4vw,64px),calc((100vw - var(--max))/2 + 64px)); background: #eaf1f7; color: var(--blue); }
.team .section-index { color: #315f8d; }
.team .section-title { grid-template-columns: .85fr .55fr; gap: 42px; padding: 18px 0 30px; }
.team .section-title h2 { font-size: clamp(2.1rem,3.6vw,4rem); }
.team .section-title p { max-width: 500px; font-size: .9rem; }
.team-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.member-card { display: grid; grid-template-columns: minmax(145px,.58fr) minmax(0,1.42fr); min-height: 380px; overflow: hidden; background: white; border: 1px solid #cbd9e7; border-radius: 20px; box-shadow: 0 14px 34px rgba(0,39,76,.11); }
.member-card figure { display: grid; min-height: 100%; margin: 0; padding: 28px 14px; place-items: center; overflow: hidden; background: radial-gradient(circle at 50% 38%,#0e4a7e 0,#00274c 62%,#001a33 100%); border-right: 6px solid var(--maize); box-shadow: inset -16px 0 30px rgba(0,12,25,.28); }
.member-card figure img { width: 100%; max-width: 150px; aspect-ratio: 1 / 1.12; height: auto; object-fit: cover; object-position: center 24%; border: 1px solid rgba(255,255,255,.32); border-radius: 28px 28px 46px 46px; filter: saturate(.9); box-shadow: 0 18px 34px rgba(0,10,24,.46),0 0 0 7px rgba(255,255,255,.05); }
.member-card .portrait-crop img { width: 100%; max-width: 150px; height: auto; object-position: center 25%; transform: none; }
.member-card .member-monogram { position: relative; isolation: isolate; }
.member-card .member-monogram::before { content: ""; position: absolute; width: 138px; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.22); border-radius: 34px 34px 52px 52px; background: linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.025)); box-shadow: 0 20px 36px rgba(0,10,24,.38),0 0 0 7px rgba(255,255,255,.04); }
.member-monogram span { position: relative; z-index: 1; color: var(--maize); font-size: clamp(3.8rem,5.8vw,5.4rem); font-weight: 800; letter-spacing: -.08em; line-height: 1; text-shadow: 0 7px 22px rgba(0,0,0,.28); }
.member-copy { padding: 24px 22px; }
.member-copy > span,.advisor-grid span { color: #35658f; font-size: .64rem; font-weight: 800; letter-spacing: .14em; }
.member-copy h3 { margin: 16px 0 6px; font-size: clamp(1.35rem,1.8vw,1.95rem); font-weight: 700; letter-spacing: -.035em; }
.member-role { margin-bottom: 15px; color: #355c7d; font-size: .82rem; font-weight: 700; }
html[lang="zh-CN"] .member-copy h3 { margin-top: 0; }
html[lang="zh-CN"] .member-copy .member-role { margin-bottom: 7px; }
html[lang="zh-CN"] .member-copy > span { display: block; margin-bottom: 18px; line-height: 1.5; }
.member-copy > p:not(.member-role):not(.member-contact) { color: #4d6881; font-size: .8rem; line-height: 1.65; }
.member-contact { margin: -5px 0 14px; font-size: .75rem; font-weight: 700; }
.member-contact a { color: #235f91; text-decoration: underline; text-decoration-color: rgba(35,95,145,.35); text-underline-offset: 3px; }
.member-copy ul { display: grid; gap: 5px; padding: 14px 0 0; margin: 15px 0 0; border-top: 1px solid #d8e3ed; list-style: none; }
.member-copy li { position: relative; padding-left: 14px; color: #294e70; font-size: .72rem; line-height: 1.45; }
.member-copy li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; background: var(--maize); }
.member-profile h3 { margin-top: 0; }
.member-profile .member-credentials { margin: 0 0 14px; padding: 0; background: transparent; border: 0; color: var(--blue); font-size: .72rem; font-style: italic; font-weight: 600; letter-spacing: .01em; line-height: 1.55; }
html[lang="en"] .member-profile .member-credentials { font-style: normal; }
.member-profile > p:not(.member-role):not(.member-contact):not(.member-credentials) { font-size: .86rem; }
.member-metrics { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; padding-top: 15px; margin: 16px 0 0; border-top: 1px solid #d8e3ed; }
html[lang="en"] .member-metrics-three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.member-metrics div { min-width: 0; }
.member-metrics dt { color: #b78600; font-size: 1.25rem; font-weight: 800; line-height: 1; }
.member-metrics dd { margin: 6px 0 0; color: #365c7d; font-size: .75rem; line-height: 1.4; }
.advisor-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin-top: 14px; background: #afc3d7; border: 1px solid #afc3d7; }
.advisor-grid article { padding: 20px 24px; background: var(--blue); color: var(--white); }
.advisor-grid h3 { margin: 12px 0 6px; font-size: 1.02rem; }
.advisor-grid article p { margin: 0; color: #bed0e0; font-size: .78rem; }
.nda-note { grid-column: 1 / -1; margin: 0; padding: 9px 18px; background: var(--maize); color: var(--blue); font-size: .72rem; font-weight: 700; text-align: center; }

.services { max-width: none; padding-right: max(clamp(20px,4vw,64px),calc((100vw - var(--max))/2 + 64px)); padding-left: max(clamp(20px,4vw,64px),calc((100vw - var(--max))/2 + 64px)); background: #f6f8fb; color: var(--blue); }
.services .section-index { color: #315f8d; }
.section-title { display: grid; grid-template-columns: 1fr minmax(300px,.62fr); gap: 70px; align-items: end; padding: 28px 0 54px; }
.section-title p { margin-bottom: 4px; color: #4a6581; }
.service-list { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
html[lang="zh-CN"] .service-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
html[lang="zh-CN"] .service-row { grid-template-rows: auto clamp(290px,22vw,350px); }
.service-row { position: relative; display: grid; grid-template-columns: 30px minmax(0,1fr); grid-template-rows: auto 164px; gap: 16px 10px; padding: 26px 18px 0; overflow: hidden; background: white; border: 1px solid #d7e1eb; box-shadow: 0 14px 34px rgba(0,39,76,.08); }
.service-row::after { content: ""; position: absolute; right: -18px; top: -18px; width: 58px; height: 58px; background: var(--maize); transform: rotate(45deg); }
.service-no { color: var(--blue); font-weight: 900; }
.service-row h3 { margin-bottom: 12px; color: var(--blue); font-size: clamp(1.25rem,1.55vw,1.7rem); font-weight: 700; }
.service-row p { color: #526a82; font-size: .82rem; line-height: 1.65; }
.service-row ul { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 16px 0 0; list-style: none; }
.service-row li { padding: 4px 7px; background: #edf3f8; color: #315474; font-size: .66rem; font-weight: 700; }
.service-row figure { position: relative; grid-column: 1 / -1; margin: 0 -18px; overflow: hidden; border-top: 1px solid #d7e1eb; }
.service-row figure::after { content: "© 2026 EnerZo-Blue · All rights reserved."; position: absolute; right: 10px; bottom: 8px; z-index: 2; padding: 3px 8px; background: transparent; color: #fff; font-size: .75rem; font-weight: 700; letter-spacing: .02em; line-height: 1.35; text-shadow: 0 1px 5px rgba(0,26,51,.98),0 0 10px rgba(0,26,51,.9); }
.service-row img { height: 100%; object-fit: cover; filter: saturate(.92); transition: transform .5s; }
.service-row figure.simulation-figure { padding: 24px; background: #dceefa; border: 2px solid #82acd2; }
.service-row figure.simulation-figure img { object-fit: contain; filter: saturate(1.08) contrast(1.02); }
.service-row figure.diagram-figure { padding: 14px; background: #e7f2fb; }
.service-row figure.diagram-figure img { object-fit: contain; filter: saturate(.96) contrast(1.01); }
.service-row:hover img { transform: scale(1.04); }

.method { display: grid; grid-template-columns: minmax(330px,.78fr) minmax(0,1.22fr); max-width: var(--max); margin: 0 auto; padding: 120px clamp(20px,4vw,64px); }
.method-panel { display: flex; min-height: 670px; padding: clamp(36px,5vw,70px); flex-direction: column; background: var(--maize); color: var(--blue); clip-path: polygon(0 0,100% 0,100% 94%,93% 100%,0 100%); }
.method-panel .section-index { color: #24527d; }
.method-panel h2 { margin: 26px 0 34px; font-size: clamp(2.5rem,4vw,4.6rem); }
.method-panel p { color: #254c70; }
.engagement-depth { padding-top: 28px; border-top: 1px solid rgba(0,39,76,.28); }
.engagement-depth > span { color: #24527d; font-size: .68rem; font-weight: 900; letter-spacing: .15em; }
.engagement-depth h3 { margin: 14px 0 18px; font-size: clamp(1.55rem,2.4vw,2.55rem); letter-spacing: -.035em; line-height: 1.12; }
.engagement-depth h3 em { color: #0b5d91; font-style: normal; }
.engagement-depth p { max-width: 520px; font-size: .88rem; }
.text-link { display: inline-block; align-self: flex-start; margin-top: auto; padding-bottom: 5px; border-bottom: 2px solid var(--blue); font-weight: 800; }
.text-link span { margin-left: 18px; }
.engagement-menu { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin-left: 18px; border-top: 3px solid var(--maize); }
.engagement-menu article { position: relative; min-height: 335px; padding: 36px 32px; background: linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018)); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.engagement-menu article:nth-child(2n) { border-right: 0; }
.engagement-menu article > span { color: var(--maize); font-size: .64rem; font-weight: 800; letter-spacing: .13em; }
.engagement-menu h3 { margin: 34px 0 12px; font-size: clamp(1.25rem,1.7vw,1.75rem); }
.engagement-menu strong { display: block; margin-bottom: 18px; color: var(--maize); font-size: .74rem; letter-spacing: .03em; }
.engagement-menu p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.72; }

.work { padding-top: 70px; }
.work .section-title { grid-template-columns: 1fr .65fr; }
.case-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); grid-auto-flow: dense; gap: 18px; }
.case-card { position: relative; min-height: 430px; overflow: hidden; background: var(--blue-deep); border: 1px solid rgba(158,193,224,.22); border-radius: 22px; box-shadow: 0 18px 44px rgba(0,12,26,.22); }
.case-card-featured { grid-column: span 2; grid-row: span 2; min-height: 878px; }
.case-card-wide { grid-column: 1 / -1; min-height: 520px; }
.case-grid img { position: absolute; inset: 0; height: 100%; object-fit: cover; filter: saturate(.82) brightness(.7); transition: transform .6s,filter .3s; }
.case-grid article::after { content: ""; position: absolute; inset: 18% 0 0; background: linear-gradient(transparent 0,rgba(0,18,36,.45) 34%,rgba(0,18,36,.98) 100%); }
.case-grid article > .case-content { position: absolute; z-index: 2; inset: auto 30px 30px; }
.case-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.case-meta time { color: var(--maize); font-size: .78rem; font-weight: 900; letter-spacing: .17em; }
.case-grid h3 { margin: 12px 0 13px; padding-bottom: 13px; border-bottom: 1px solid rgba(255,255,255,.22); font-size: clamp(1.2rem,1.45vw,1.7rem); line-height: 1.18; }
.case-card-featured h3 { font-size: clamp(1.8rem,2.4vw,3rem); }
.case-grid p { margin: 0; color: var(--maize); font-size: .88rem; font-weight: 700; line-height: 1.55; }
.case-delivery { font-size: clamp(.72rem,.82vw,.82rem); }
.case-delivery span { display: block; white-space: nowrap; }
html[lang="en"] .case-delivery { font-size: clamp(.62rem,.68vw,.72rem); line-height: 1.45; }
.case-credit { position: absolute; z-index: 3; right: 12px; bottom: 8px; color: #fff; font-size: .62rem; font-weight: 700; letter-spacing: .01em; line-height: 1.35; text-shadow: 0 1px 5px rgba(0,26,51,.98),0 0 10px rgba(0,26,51,.85); }
.case-grid article:hover img { transform: scale(1.035); filter: saturate(.98) brightness(.78); }
.partner-placeholder { display: grid; grid-template-columns: minmax(210px,.5fr) minmax(0,1.5fr); gap: 54px; align-items: center; min-height: 280px; margin-top: 70px; padding: 20px 0 10px; background: none; border: 0; }
.partner-placeholder span { color: var(--maize); font-size: .68rem; font-weight: 800; letter-spacing: .18em; }
.partner-placeholder h3 { margin: 10px 0 0; font-size: clamp(1.8rem,3vw,3.2rem); white-space: nowrap; }
html[lang="en"] .partner-placeholder { grid-template-columns: minmax(300px,.58fr) minmax(0,1.42fr); }
html[lang="en"] .partner-placeholder h3 { max-width: 320px; font-size: clamp(1.8rem,2.7vw,2.8rem); line-height: 1.08; white-space: normal; }
.partner-list { display: grid; min-height: 150px; grid-template-columns: repeat(6,minmax(92px,1fr)); align-items: start; gap: 24px 18px; }
.partner-list article { display: grid; min-width: 0; min-height: 128px; place-items: center; align-content: start; gap: 14px; background: none; border: 0; text-align: center; }
.partner-list img { width: 100%; max-width: 122px; height: 72px; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(0,0,0,.24)); }
.partner-list article.partner-logo-sm img { transform: scale(.89); }
.partner-list article.partner-logo-xs img { transform: scale(.78); }
.partner-list strong { color: #eef6ff; font-size: .78rem; line-height: 1.35; }
.partner-continuation { display: flex; grid-column: 2; align-items: center; justify-content: center; gap: 10px; margin: 0; color: var(--maize); font-family: inherit; font-size: 1rem; font-weight: 800; letter-spacing: .03em; text-align: center; text-shadow: 0 2px 12px rgba(255,203,5,.28),0 1px 4px rgba(0,0,0,.65); }
.partner-continuation > span { color: inherit; font-size: inherit; font-weight: inherit; letter-spacing: inherit; }
.progress-dots { display: inline-flex; align-items: center; gap: 5px; }
.progress-dots b { width: 6px; height: 6px; border-radius: 50%; background: var(--maize); box-shadow: 0 0 9px rgba(255,203,5,.7); animation: partner-dot 1.2s ease-in-out infinite; }
.progress-dots b:nth-child(2) { animation-delay: .16s; }
.progress-dots b:nth-child(3) { animation-delay: .32s; }
@keyframes partner-dot { 0%,80%,100% { opacity: .35; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-4px); } }

.contact-stage { position: relative; min-height: 850px; margin-top: 100px; overflow: hidden; }
.contact-image { position: absolute; inset: 0; background-color: var(--blue-deep); background-image: linear-gradient(90deg,rgba(0,26,51,.01) 0,rgba(0,26,51,.1) 45%,rgba(0,26,51,.8) 67%,#00274c 100%),url("assets/thermal-runaway-source-fused-portrait-v4.png"); background-position: center,left center; background-size: cover,auto 100%; background-repeat: no-repeat; filter: saturate(.96) contrast(1.03); }
.contact-stage::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(120deg,transparent 0 43%,rgba(0,39,76,.7) 43% 100%); }
.contact-card { position: relative; z-index: 2; width: min(680px,calc(100% - 40px)); margin-left: auto; min-height: 850px; padding: 130px max(30px,calc((100vw - var(--max))/2 + 64px)) 90px 70px; background: rgba(0,39,76,.92); border-left: 12px solid var(--maize); }
.contact-card h2 { margin: 24px 0 18px; font-size: clamp(2rem,2.6vw,2.55rem); line-height: 1.18; }
.contact-invitation { margin: 0 0 42px; color: var(--maize); font-size: clamp(1.05rem,1.45vw,1.3rem); font-weight: 700; letter-spacing: .01em; white-space: nowrap; }
.contact-invitation-long { max-width: 600px; font-size: clamp(.92rem,1.1vw,1.08rem); line-height: 1.55; white-space: normal; }
.contact-meta { display: grid; gap: 14px; margin-bottom: 34px; }
.contact-meta p { margin: 0; color: var(--muted); }
.contact-meta b,.contact-meta a { color: var(--white); }
.contact-slogan { display: grid; gap: 5px; margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,203,5,.34); }
.contact-slogan strong { color: var(--maize); font-size: .72rem; letter-spacing: .16em; }
.contact-slogan span { color: var(--white); font-size: 1rem; font-weight: 700; }
.site-footer { padding: 64px max(clamp(20px,4vw,64px),calc((100vw - var(--max))/2 + 64px)) 28px; background: var(--maize); color: var(--blue); }
.footer-brand { display: flex; align-items: center; gap: 18px; padding-bottom: 42px; }
.site-footer .mark-frame { stroke: var(--blue); }
.site-footer .mark-cube { stroke: var(--blue); }
.footer-brand p { margin: 0; font-size: .83rem; }
.footer-brand b { font-size: 1rem; }
.contact-mp-float { position: absolute; left: -186px; bottom: 100px; width: 148px; text-align: center; z-index: 3; }
.contact-mp-float img { display: block; width: 108px; height: 108px; margin: 0 auto 8px; background: #fff; padding: 6px; border-radius: 10px; box-sizing: border-box; }
.contact-mp-float span { color: var(--white); font-size: .8rem; font-weight: 600; letter-spacing: .03em; }
@media (max-width: 1080px) { .contact-mp-float { position: static; width: auto; margin: 0 0 28px; text-align: left; } .contact-mp-float img { margin: 0 0 8px; } }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid rgba(0,39,76,.3); font-size: .72rem; font-weight: 700; }
.footer-beian-pending { opacity: .55; border: 1px dashed rgba(0,39,76,.45); border-radius: 4px; padding: 2px 8px; letter-spacing: .04em; }
.footer-beian { display: inline-flex; align-items: center; gap: 6px; }
.footer-beian img { height: 14px; width: auto; vertical-align: middle; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease,transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid var(--maize); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } .progress-dots b { opacity: 1; animation: none; } }

@media (max-width: 1080px) {
  .site-nav { position: absolute; top: 88px; left: 0; right: 0; display: none; padding: 12px clamp(20px,4vw,64px) 24px; background: var(--blue-deep); border-bottom: 1px solid rgba(255,203,5,.35); }
  .site-nav.open { display: grid; }
  .site-nav > a:not(.language) { display: block; padding: 10px 0; }
  .language { margin-top: 8px; text-align: center; }
  .menu-button { display: block; }
  .hero-grid { grid-template-columns: 1fr .82fr; gap: 38px; }
  .intro-head { grid-template-columns: 1fr; gap: 26px; }
  .principles { grid-template-columns: repeat(2,1fr); }
  .method { grid-template-columns: 1fr 1fr; }
  .hero-slide:first-child { padding-bottom: 186px; }
  .hero-visual-caption { bottom: 134px; }
  .hero-code { min-height: 104px; }
  .hero-code strong { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .case-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .case-card-featured { grid-column: 1 / -1; grid-row: auto; min-height: 540px; }
  .case-card-wide { min-height: 460px; }
}
@media (max-width: 900px) {
  .service-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .service-row { grid-template-columns: 40px minmax(0,1fr); grid-template-rows: auto 210px; padding: 28px 24px 0; }
  .service-row figure { margin: 0 -24px; }
}
@media (max-width: 1200px) {
  html[lang="en"] .partner-placeholder { grid-template-columns: 1fr; gap: 34px; align-items: start; }
  html[lang="en"] .partner-placeholder h3 { max-width: none; white-space: nowrap; }
  html[lang="en"] .partner-list { grid-template-columns: repeat(6,minmax(0,1fr)); }
  html[lang="en"] .partner-continuation { grid-column: 1; }
}
@media (max-width: 760px) {
  .site-header { min-height: 72px; }
  .brand svg { width: 38px; height: 38px; }
  .site-nav { position: absolute; top: 72px; left: 0; right: 0; display: none; padding: 12px 20px 24px; background: var(--blue-deep); border-bottom: 1px solid rgba(255,203,5,.35); }
  .site-nav.open { display: grid; }
  .site-nav > a:not(.language) { display: block; padding: 10px 0; }
  .language { margin-top: 8px; text-align: center; }
  .menu-button { display: block; }
  .hero { min-height: auto; padding-top: 72px; }
  .hero-grid { display: flex; flex-direction: column; min-height: auto; padding-top: 65px; }
  .hero-copy { padding-right: 0; }
  .hero h1 { font-size: clamp(3rem,14vw,5.4rem); }
  .hero-slogan { letter-spacing: .11em; }
  .hero-actions { flex-direction: column; }
  .hero-visual { width: 100%; min-height: 420px; margin: 50px 0 30px; padding: 0; }
  .hero-slide:first-child { padding: 26px 20px 184px; }
  .hero-slide-vibration { padding: 28px 20px 24px; }
  .hero-visual-caption { right: 18px; bottom: 132px; left: 18px; }
  .hero-code { inset: auto 18px 18px; min-height: 106px; padding: 12px 14px; }
  .hero-code strong { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .hero-stats { grid-template-columns: 1fr; padding: 0 20px; }
  .hero-stats > div { padding: 17px 0; border-right: 0; border-bottom: 1px solid rgba(0,39,76,.23); }
  .intro,.team,.services,.work { padding-top: 88px; padding-bottom: 88px; }
  .principles { grid-template-columns: 1fr; }
  .principles article { min-height: 190px; }
  .principles h3 { margin-top: 30px; }
  .team-grid { grid-template-columns: 1fr; }
  .member-card { grid-template-columns: 1fr; min-height: auto; }
  .member-card figure { min-height: 270px; max-height: none; padding: 30px 24px; border-right: 0; border-bottom: 6px solid var(--maize); }
  .member-card figure img { width: 100%; max-width: 210px; height: auto; }
  .member-card .portrait-crop img { width: 100%; max-width: 210px; height: auto; object-position: center 25%; }
  .member-card .member-monogram::before { width: 170px; }
  .member-copy { padding: 26px 22px; }
  .advisor-grid { grid-template-columns: 1fr; }
  .nda-note { grid-column: auto; }
  .section-title { grid-template-columns: 1fr; gap: 22px; }
  .service-list { grid-template-columns: 1fr; }
  html[lang="zh-CN"] .service-list { grid-template-columns: 1fr; }
  html[lang="zh-CN"] .service-row { grid-template-rows: auto 240px; }
  .service-row { grid-template-rows: auto 240px; padding: 28px 24px 0; }
  .service-row figure { margin: 0 -24px; }
  .service-row ul { display: grid; }
  .method { display: block; padding-top: 90px; padding-bottom: 90px; }
  .method-panel { min-height: 590px; }
  .engagement-menu { grid-template-columns: 1fr; margin: 20px 0 0; }
  .engagement-menu article { min-height: 250px; border-right: 0; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card-featured { grid-column: auto; min-height: 500px; }
  .case-card { min-height: 410px; }
  .case-grid article > .case-content { inset: auto 22px 24px; }
  .case-credit { right: 8px; bottom: 6px; font-size: .56rem; }
  .case-delivery span { white-space: normal; }
  .partner-placeholder { grid-template-columns: 1fr; gap: 36px; min-height: 170px; padding: 24px 0; }
  .partner-list { grid-template-columns: repeat(6,minmax(0,1fr)); gap: 14px 8px; }
  .partner-list article { min-height: 96px; gap: 10px; }
  .partner-list img { max-width: 66px; height: 56px; }
  .partner-list strong { font-size: .62rem; }
  .partner-continuation { grid-column: 1; }
  .contact-stage,.contact-card { min-height: 760px; }
  .contact-stage::before { display: none; }
  .contact-image { background-image: linear-gradient(0deg,rgba(0,39,76,.94) 0 32%,rgba(0,26,51,.12) 68%,rgba(0,26,51,.02)),url("assets/thermal-runaway-source-fused-portrait-v4.png"); background-position: center,center top; background-size: cover,auto 100%; }
  .contact-card { width: calc(100% - 24px); margin: 180px 0 0 24px; padding: 80px 24px 72px; background: rgba(0,39,76,.91); border-left-width: 8px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  html[lang="zh-CN"] .intro-head h2 { font-size: clamp(1.7rem,7.8vw,2.25rem); }
  .contact-invitation { white-space: normal; }
  .partner-placeholder h3 { white-space: normal; }
  .partner-list { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px 12px; }
  .partner-list article { min-height: 102px; }
}

/* 技术科普入口 */
.insights-nav-link { display: inline-flex; align-items: center; gap: 7px; }
.insights-nav-link i { width: 5px; height: 5px; background: var(--maize); border-radius: 50%; }

.insights { max-width: none; padding: 110px max(clamp(20px,4vw,64px),calc((100vw - var(--max))/2 + 64px)); background: #edf2f5; color: var(--blue); }
.insights .section-index { color: #315f8d; }
.insights-head { display: grid; grid-template-columns: 1fr minmax(300px,.62fr); gap: 70px; align-items: end; padding: 27px 0 46px; }
.insights-head > div > span { color: #53738d; font-size: .67rem; font-weight: 800; letter-spacing: .15em; }
.insights-head h2 { margin: 15px 0 0; font-size: clamp(2.3rem,4vw,4.3rem); line-height: 1.16; letter-spacing: -.045em; }
.insights-head > p { max-width: 520px; margin: 0 0 6px; color: #526d82; font-size: .91rem; line-height: 1.85; }
.insight-card { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; min-height: 500px; overflow: hidden; background: var(--blue-deep); color: var(--white); border: 1px solid #173e5c; box-shadow: 0 22px 55px rgba(0,39,76,.14); transition: transform .3s,box-shadow .3s; }
.insight-card:hover { transform: translateY(-4px); box-shadow: 0 28px 65px rgba(0,39,76,.2); }
.insight-card-copy { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; padding: clamp(34px,4vw,60px); }
.insight-meta { display: flex; justify-content: space-between; gap: 20px; width: 100%; color: var(--maize); font-size: .68rem; font-weight: 800; letter-spacing: .1em; }
.insight-meta span:last-child { color: #88a2b4; font-weight: 500; letter-spacing: .03em; white-space: nowrap; }
.insight-card h3 { margin: 44px 0 22px; font-size: clamp(2rem,3vw,3.15rem); line-height: 1.27; letter-spacing: -.04em; }
.insight-card-copy > p { max-width: 580px; margin: 0; color: #b8cbd8; font-size: .91rem; line-height: 1.85; }
.insight-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.insight-tags span { padding: 5px 9px; border: 1px solid #3b5c74; color: #b8cbd8; font-size: .64rem; }
.insight-link { display: inline-flex; align-items: center; gap: 35px; margin-top: auto; padding-top: 30px; color: var(--maize); font-size: .85rem; }
.insight-link i { font-size: 1.3rem; font-style: normal; transition: transform .25s; }
.insight-card:hover .insight-link i { transform: translate(3px,-3px); }
.insight-visual { position: relative; min-height: 500px; overflow: hidden; background-color: #06243c; background-image: linear-gradient(rgba(135,174,197,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(135,174,197,.08) 1px,transparent 1px); background-size: 48px 48px; }
.insight-element { position: absolute; z-index: 3; top: 72px; left: 17%; display: flex; flex-direction: column; justify-content: space-between; width: 245px; height: 292px; padding: 22px 24px; background: var(--maize); color: var(--blue-deep); box-shadow: 23px 25px 0 rgba(26,80,108,.45); transform: rotate(-4deg); }
.insight-element > span { font-size: 1rem; font-weight: 800; }
.insight-element > strong { align-self: center; font-family: Georgia,serif; font-size: 8rem; font-weight: 400; line-height: .8; letter-spacing: -.09em; }
.insight-element > small { font-size: .85rem; font-weight: 700; }
.insight-orbit { position: absolute; border: 1px solid rgba(255,203,5,.26); border-radius: 50%; }
.insight-visual .orbit-a { top: 22px; left: 3%; width: 410px; height: 410px; }
.insight-visual .orbit-b { top: 93px; left: -10%; width: 480px; height: 275px; border-color: rgba(169,202,220,.2); transform: rotate(-28deg); }
.insight-temperature { position: absolute; z-index: 4; right: 24px; bottom: 30px; min-width: 210px; padding: 17px 19px; background: rgba(0,39,76,.94); border-left: 4px solid var(--maize); }
.insight-temperature > span { color: #8ba7b8; font-size: .58rem; letter-spacing: .08em; }
.insight-temperature > strong { display: block; margin: 4px 0; color: var(--maize); font-size: 2.4rem; line-height: 1.1; letter-spacing: -.05em; }
.insight-temperature > small { color: #d1e0e8; font-size: .64rem; line-height: 1.6; }
.insight-ion { position: absolute; z-index: 5; top: 68px; right: 37px; display: grid; place-items: center; width: 56px; height: 56px; background: var(--blue-mid); border: 1px solid #6c8da4; border-radius: 50%; color: var(--maize); font-size: .85rem; }

@media (max-width: 1200px) {
  .site-nav { gap: 17px; }
  .insight-card { grid-template-columns: 1fr 390px; }
  .insight-element { left: 10%; }
}

@media (max-width: 1050px) {
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 88px; left: 0; right: 0; display: none; padding: 14px 28px 24px; background: var(--blue-deep); border-bottom: 1px solid rgba(255,203,5,.35); }
  .site-nav.open { display: grid; }
  .site-nav > a:not(.language) { display: flex; padding: 10px 0; }
  .language { margin-top: 8px; text-align: center; }
  .insight-card { grid-template-columns: 1fr 340px; }
  .insight-card-copy { padding: 34px; }
  .insight-card h3 { font-size: 2rem; }
  .insight-element { left: 7%; width: 215px; height: 265px; }
  .insight-element > strong { font-size: 7rem; }
}

@media (max-width: 850px) {
  .insights-head { grid-template-columns: 1fr; gap: 22px; }
  .insights-head > p { max-width: 650px; }
  .insight-card { grid-template-columns: 1fr; }
  .insight-card-copy { min-height: 480px; }
  .insight-visual { min-height: 430px; }
  .insight-element { left: 22%; }
}

@media (max-width: 760px) {
  .site-nav { top: 72px; padding: 12px 20px 24px; }
  .insights { padding-top: 82px; padding-bottom: 82px; }
  .insights-head { padding-bottom: 32px; }
  .insights-head h2 { font-size: 2.55rem; }
  .insight-card-copy { min-height: 500px; padding: 30px 25px; }
  .insight-card h3 { margin-top: 36px; font-size: clamp(1.8rem,7.5vw,2.45rem); }
  .insight-card-copy > p { font-size: .84rem; }
  .insight-visual { min-height: 400px; }
  .insight-element { top: 52px; left: 12%; width: 215px; height: 260px; }
  .insight-temperature { right: 16px; bottom: 23px; }
}

@media (max-width: 420px) {
  .insight-meta { flex-direction: column; gap: 7px; }
  .insight-card-copy { min-height: 530px; }
  .insight-element { left: 8%; width: 198px; height: 245px; }
  .insight-element > strong { font-size: 6.4rem; }
  .insight-temperature { min-width: 190px; padding: 14px 15px; }
  .insight-temperature > strong { font-size: 2.1rem; }
  .insight-ion { right: 20px; width: 48px; height: 48px; }
}

.keep-together { display: inline-block; }
html[lang="en"] .insight-card h3 { font-size: clamp(1.9rem,2.6vw,2.75rem); }