:root {
  --ink: #102129;
  --muted: #627178;
  --line: #dce5e7;
  --paper: #ffffff;
  --mist: #f1f5f5;
  --blue: #36768b;
  --blue-dark: #245c70;
  --blue-deep: #143f4d;
  --green: #78b84b;
  --green-dark: #5e9c36;
  --warm: #f4efda;
  --footer: #103b47;
  --shadow: 0 22px 60px rgba(17, 54, 64, .12);
  --radius: 2px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "思源黑体", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; width: 100%; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
p { margin: 0 0 20px; color: var(--muted); }
h1, h2, h3, h4 { margin: 0; color: var(--ink); line-height: 1.28; }
h1 { font-size: clamp(38px, 4.6vw, 68px); letter-spacing: -.04em; }
h2 { font-size: clamp(30px, 3.25vw, 48px); letter-spacing: -.025em; }
h3 { font-size: 24px; }
h4 { font-size: 24px; }
ul, ol { margin: 0; padding-left: 1.2em; }

.container { width: min(calc(100% - 64px), var(--container)); margin: 0 auto; }
.narrow { width: min(calc(100% - 64px), 960px); margin: 0 auto; }
.section { padding: 112px 0; }
.section--soft { background: var(--mist); }
.section--dark { color: #fff; background: var(--blue-deep); }
.section--image { position: relative; overflow: hidden; color: #fff; background: var(--blue-deep); }
.section--image::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(13, 49, 61, .86), rgba(13, 49, 61, .28)); }
.section--image > * { position: relative; z-index: 1; }
.eyebrow { display: inline-block; margin-bottom: 18px; color: var(--blue); font-size: 16px; font-weight: 700; letter-spacing: .14em; }
.eyebrow--light { color: #d8eff4; }
.section-head { display: grid; grid-template-columns: minmax(280px, .85fr) 1.15fr; gap: 76px; align-items: end; margin-bottom: 56px; }
.section-head__copy { max-width: 680px; justify-self: end; }
.section-head__copy p:last-child { margin-bottom: 0; }
.lead { color: #495b63; font-size: 18px; line-height: 1.95; }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border: 0;
  border-radius: var(--radius);
  color: #fff;
  background: var(--green);
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .25s ease, background .25s ease, box-shadow .25s ease;
}
.button:hover { transform: translateY(-3px); background: var(--green-dark); box-shadow: 0 12px 26px rgba(94, 156, 54, .24); }
.button--outline { border: 1px solid rgba(255,255,255,.6); color: #fff; background: transparent; }
.button--outline:hover { background: rgba(255,255,255,.12); }
.text-link { display: inline-flex; align-items: center; gap: 8px; border-bottom: 1px solid currentColor; color: var(--ink); font-weight: 700; }
.text-link:hover { color: var(--blue); }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(16, 33, 41, .08);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(16px);
}
.header-inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; color: var(--ink); font-weight: 800; }
.brand-logo { width: 186px; height: 42px; object-fit: fill; }
.footer-logo { width: 243px; height: 48px; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2.1vw, 30px); }
.site-nav a { position: relative; padding: 28px 0 25px; color: #42545c; font-size: 16px; }
.site-nav a::after { position: absolute; right: 0; bottom: 18px; left: 0; height: 2px; content: ""; background: var(--green); transform: scaleX(0); transition: transform .25s ease; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 700; }
.nav-toggle { display: none; width: 46px; height: 46px; border: 0; background: transparent; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 5px auto; background: var(--ink); transition: .25s ease; }

.hero { min-height: 690px; position: relative; display: grid; align-items: stretch; overflow: hidden; background: #dfe8eb; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { height: 100%; object-fit: cover; object-position: 42% center; }
.hero::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(10,32,40,.04), rgba(10,32,40,.1)); }
.hero__inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: flex-end; }
.hero-card { width: min(640px, 55%); margin: 78px 0; padding: 58px 62px; color: #fff; background: rgba(42, 111, 134, .94); box-shadow: var(--shadow); }
.hero-card h1 { max-width: 560px; color: #fff; font-size: clamp(40px, 4.5vw, 64px); }
.hero-card p { max-width: 540px; margin: 26px 0 32px; color: rgba(255,255,255,.86); font-size: 18px; }
.page-home .hero-card h1,
.page-home .hero-card > p { width: 100%; max-width: none; }
.page-home .hero-card > .eyebrow,
.page-home .intro > .eyebrow,
.page-home .split__copy > .eyebrow,
.page-home .section-head > div:first-child > .eyebrow,
.page-home .image-callout__card > .eyebrow,
.page-home .contact-panel > .eyebrow { font-size: 24px; letter-spacing: .08em; line-height: 1.35; }
.page-home .section-head { align-items: start; }
.page-home .section-head > .section-head__copy { align-self: start; padding-top: 50px; }
:is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .split__copy > .eyebrow,
:is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .section-head > div:first-child > .eyebrow,
:is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .contact-panel > .eyebrow { font-size: 24px; letter-spacing: .08em; line-height: 1.35; }
:is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .section-head { align-items: start; }
:is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .section-head > .section-head__copy { align-self: start; padding-top: 50px; }
:is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .value-card { padding-right: 0; padding-left: 0; }
.page-about .page-hero .breadcrumb { font-size: 24px; }
:is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .page-hero .breadcrumb,
:is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .article-detail__header .breadcrumb { font-size: 24px; }
:is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .section-head > div:first-child > .eyebrow,
:is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .contact-panel > .eyebrow { font-size: 24px; letter-spacing: .08em; line-height: 1.35; }
:is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .section-head { align-items: start; }
:is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .section-head > .section-head__copy { align-self: start; padding-top: 50px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-float { position: absolute; z-index: 3; right: 0; top: 50%; display: grid; transform: translateY(-50%); }
.hero-float a { display: grid; width: 48px; height: 48px; place-items: center; border-bottom: 1px solid rgba(255,255,255,.2); color: #fff; background: rgba(35,95,116,.94); font-weight: 700; transition: background .2s ease; }
.hero-float a:hover { background: var(--green); }

.intro { max-width: 940px; margin: 0 auto; text-align: center; }
.intro h2 { max-width: 820px; margin: 0 auto 30px; }
.intro p { font-size: 18px; line-height: 2; }
.split { display: grid; grid-template-columns: 1fr 1.08fr; gap: 80px; align-items: center; }
.split--reverse { grid-template-columns: 1.08fr 1fr; }
.split__media { position: relative; }
.split__media::before { position: absolute; z-index: -1; right: -24px; bottom: -24px; width: 72%; height: 72%; content: ""; background: #dfecef; }
.split__media img { height: 480px; object-fit: cover; }
.split__copy h2 { margin-bottom: 28px; }
.check-list { display: grid; gap: 10px; margin: 26px 0 34px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: #40545d; }
.check-list li::before { position: absolute; left: 0; color: var(--green); content: "✓"; font-weight: 900; }
.page-home .check-list li { padding-left: 32px; }
.page-home .check-list li::before { top: .45em; width: 18px; height: 18px; content: ""; background: url('../images/check.png') center / contain no-repeat; }

.service-band { position: relative; padding: 118px 0; background: url('../images/tax_118.jpg') center 45% / cover no-repeat; }
.service-band::before { position: absolute; inset: 0; content: ""; background: rgba(27, 72, 86, .68); }
.service-band .container { position: relative; z-index: 1; }
.service-band .section-head { color: #fff; }
.service-band h2, .service-band h3 { color: #fff; }
.service-band p { color: rgba(255,255,255,.76); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); box-shadow: var(--shadow); }
.service-card { position: relative; min-height: 420px; padding: 42px 34px 34px; border-right: 1px solid rgba(255,255,255,.15); background: rgba(40, 111, 134, .95); transition: transform .3s ease, background .3s ease; }
.service-card:hover { z-index: 2; transform: translateY(-10px); background: rgba(32, 93, 114, .98); }
.service-card__number { display: block; margin-bottom: 40px; color: #fff; font-size: 24px; font-weight: 800; }
.service-card h3 { margin-bottom: 20px; }
.service-card .text-link { position: absolute; right: 34px; bottom: 34px; left: 34px; justify-content: space-between; border: 0; color: #fff; }

.business-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.business-card { position: relative; min-height: 350px; padding: 32px 28px 72px; border: 1px solid var(--line); background: #fff; transition: transform .3s ease, border .3s ease, box-shadow .3s ease; }
.business-card:hover { transform: translateY(-8px); border-color: transparent; box-shadow: var(--shadow); }
.business-card__num { display: block; margin-bottom: 52px; color: var(--blue); font-size: 18px; font-weight: 800; }
.business-card h3 { margin-bottom: 16px; }
.business-card p { line-height: 1.8; }
.business-card .text-link { position: absolute; left: 28px; bottom: 28px; }

.image-callout { min-height: 560px; display: flex; align-items: center; background: url('../images/tax_102.jpg') center 38% / cover no-repeat; }
.image-callout__card { width: min(600px, 54%); margin-left: auto; padding: 58px; color: #fff; background: rgba(43, 112, 135, .93); }
.image-callout__card h2 { color: #fff; }
.image-callout__card p { margin: 24px 0 30px; color: rgba(255,255,255,.82); }

.process { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.process-tabs { display: grid; gap: 14px; counter-reset: step; }
.process-tab { position: relative; display: grid; min-height: 76px; grid-template-columns: 58px 1fr; align-items: center; padding: 0 24px 0 0; border: 1px solid var(--line); background: #fff; transition: transform .25s ease, background .25s ease, color .25s ease; }
.process-tab::before { display: grid; height: 100%; place-items: center; color: #fff; background: var(--blue); content: counter(step, decimal-leading-zero); counter-increment: step; font-weight: 800; }
.process-tab:hover, .process-tab.is-active { color: #fff; background: var(--blue); transform: translateX(10px); }
.process-content { display: grid; align-content: center; }
.process-content article { display: none; }
.process-content article.is-active { display: block; animation: fadeUp .45s ease both; }
.process-content h3 { margin-bottom: 18px; font-size: 32px; }

.quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.quote-card { min-height: 260px; padding: 40px; background: #fff; }
.quote-card .stars { margin-bottom: 18px; color: var(--blue); letter-spacing: .16em; }
.quote-card p { font-size: 17px; }
.quote-card strong { display: block; margin-top: 24px; }

.page-hero { position: relative; min-height: 440px; display: flex; align-items: center; overflow: hidden; background: var(--blue-deep); }
.page-hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(15,57,69,.96) 0%, rgba(15,57,69,.74) 48%, rgba(15,57,69,.36) 100%), var(--hero-image, url('../images/about-team.jpg')) center / cover no-repeat; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { max-width: 920px; color: #fff; }
.page-hero p { max-width: 760px; margin-top: 24px; color: rgba(255,255,255,.82); font-size: 18px; }
.breadcrumb { margin-bottom: 26px; color: rgba(255,255,255,.7); font-size: 16px; }
.breadcrumb a:hover { color: #fff; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.value-card { padding: 34px 28px; border-top: 4px solid var(--green); background: var(--mist); }
.value-card h3 { margin-bottom: 14px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.16); }
.stat { padding: 40px 26px; text-align: center; background: rgba(255,255,255,.06); }
.stat strong { display: block; color: #fff; font-size: 38px; }
.stat span { color: rgba(255,255,255,.72); }

.catalog { overflow: hidden; border: 1px solid var(--line); }
.catalog-row { display: grid; grid-template-columns: minmax(210px, .34fr) 1fr; border-bottom: 1px solid var(--line); }
.catalog-row:last-child { border-bottom: 0; }
.catalog-row > * { padding: 20px 24px; }
.catalog-row strong { color: var(--ink); background: #edf3f4; }
.catalog-row span { color: var(--muted); }
.catalog-head { color: #fff; background: var(--blue); font-weight: 800; }
.catalog-head strong, .catalog-head span { color: #fff; background: transparent; }

.detail-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 72px; align-items: start; }
.detail-aside { position: sticky; top: 112px; padding: 30px; background: var(--mist); }
.detail-aside h3 { margin-bottom: 20px; }
.detail-aside nav { display: grid; }
.detail-aside a { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.detail-aside a:hover { color: var(--blue); }
.detail-content section { margin-bottom: 54px; }
.detail-content { min-width: 0; }
.detail-content h2 { margin-bottom: 24px; }
.detail-content h3 { margin: 34px 0 14px; }
.detail-content p, .detail-content li { font-size: 17px; line-height: 2; }
.detail-content ul { display: grid; gap: 8px; }
.notice { margin-top: 36px; padding: 28px 30px; border-left: 5px solid var(--green); background: #f4f8ee; color: #51605a; }

.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card { padding: 36px 30px; border: 1px solid var(--line); background: #fff; transition: .3s ease; }
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.solution-card__for { display: block; margin: 20px 0 14px; color: var(--blue); font-weight: 800; }
.solution-card ul { display: grid; gap: 8px; color: var(--muted); }

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { overflow: hidden; border: 1px solid var(--line); background: #fff; transition: .3s ease; }
.article-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.article-card img { height: 220px; object-fit: cover; }
.article-card__body { padding: 28px; }
.article-card__meta { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 16px; color: #738087; font-size: 16px; }
.article-card h3 { margin-bottom: 14px; }
.article-card p { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }

.article-detail { padding: 100px 0; }
.article-detail__header { max-width: 980px; margin: 0 auto 56px; text-align: center; }
.article-detail__header h1 { font-size: clamp(38px, 5vw, 62px); }
.article-detail__meta { margin-top: 24px; color: var(--muted); }
.article-detail__cover { width: min(calc(100% - 64px), 1180px); height: 560px; margin: 0 auto 72px; object-fit: cover; }
.article-body { width: min(calc(100% - 64px), 860px); margin: 0 auto; }
.article-body h2 { margin: 48px 0 18px; font-size: 32px; }
.article-body p, .article-body li { font-size: 18px; line-height: 2; }
.article-body ul { display: grid; gap: 10px; }

.knowledge-detail { padding: 88px 0 112px; background: #fff; }
.knowledge-detail__inner { width: min(calc(100% - 64px), var(--container)); margin: 0 auto; }
.knowledge-detail__header h1 { max-width: 1480px; color: #303234; font-size: clamp(34px, 3vw, 44px); font-weight: 800; letter-spacing: -.035em; line-height: 1.35; }
.knowledge-detail__header time { display: block; margin-top: 52px; color: #85898b; font-size: 22px; line-height: 1.4; }
.knowledge-detail__lead { display: flex; min-height: 108px; align-items: center; margin: 40px 0 50px; padding: 26px 62px; border-left: 7px solid var(--green); color: #777c7f; background: #f2f4f5; font-size: 16px; line-height: 2; }
.knowledge-detail__body { color: #73787b; }
.knowledge-detail__body h2 { margin: 36px 0 22px; color: #303234; font-size: 18px; font-weight: 800; letter-spacing: 0; line-height: 1.6; }
.knowledge-detail__body p { margin: 0 0 28px; color: #73787b; font-size: 16px; line-height: 2.05; }
.knowledge-detail__pager { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 70px; }
.knowledge-detail__pager a { color: #34383a; font-size: 16px; line-height: 1.8; transition: color .2s ease; }
.knowledge-detail__pager a:last-child { text-align: right; }
.knowledge-detail__pager a:hover { color: var(--green-dark); }
.knowledge-detail__more { margin-top: 112px; }
.knowledge-detail__more > h2 { margin-bottom: 22px; color: #303234; font-size: 26px; letter-spacing: 0; }
.knowledge-detail__more-grid { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 104px; }
.knowledge-detail__more-grid a { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 24px; padding: 17px 0; border-top: 1px dotted #c7ced0; color: #3e4345; font-size: 16px; line-height: 1.6; transition: color .2s ease; }
.knowledge-detail__more-grid a:hover { color: var(--green-dark); }
.knowledge-detail__more-grid span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.knowledge-detail__more-grid time { flex: none; color: #85898b; }

.contact-section { padding: 112px 0; background: #fff; }
.contact-wrap { display: grid; grid-template-columns: 1fr 1.06fr; gap: 0; align-items: stretch; }
.contact-panel { padding: 24px 58px; background: var(--mist); }
.contact-panel h2 { margin: 12px 0 22px; }
.contact-panel > p { margin-bottom: 34px; }
.contact-media { min-height: 640px; }
.contact-media img { height: 100%; object-fit: cover; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; min-height: 54px; padding: 14px 16px; border: 1px solid #cedadd; border-radius: 0; color: var(--ink); background: #fff; outline: none; transition: border .2s ease, box-shadow .2s ease; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(54,118,139,.12); }
.privacy-check { display: flex; grid-column: 1 / -1; align-items: flex-start; gap: 12px; color: #44535a; }
.privacy-check input { flex: none; width: 24px; height: 24px; margin: 2px 0 0; accent-color: var(--blue); }
.privacy-check a { color: #2d67de; border-bottom: 1px solid currentColor; }
.form-actions { display: flex; grid-column: 1 / -1; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-note { margin: 0; font-size: 16px; }
.form-status { min-height: 28px; margin: 14px 0 0; color: var(--blue-dark); font-weight: 700; }
.form-grid > .field:nth-of-type(3),
.form-grid > .field:nth-of-type(4),
.form-grid > .privacy-check { margin-top: 10px; }
.form-grid > .form-actions { margin-top: 20px; }

.contact-panel > .eyebrow,
.contact-panel > h2,
.contact-panel > p,
.contact-panel > form > .form-grid { transform: translateY(34px); }

@media (min-width: 901px) {
  .contact-panel { padding-top: 23px; padding-bottom: 23px; }
  .contact-panel .form-grid { row-gap: 8px; }
}

.privacy-page { min-height: 100vh; padding: 70px 0; background: #f1f4fa; }
.privacy-card { padding: 78px 82px; border: 1px solid #dae2ef; border-radius: 30px; background: #fff; box-shadow: 0 12px 32px rgba(48,72,108,.06); }
.privacy-card h1 { margin-bottom: 40px; font-size: clamp(42px, 5vw, 64px); }
.privacy-rule { height: 4px; margin-bottom: 42px; background: #3d66e8; }
.privacy-card p, .privacy-card li { color: #334361; font-size: 20px; line-height: 1.9; }
.privacy-card ol { display: grid; gap: 12px; }
.privacy-back { display: inline-flex; margin-top: 46px; color: #2d67de; font-size: 20px; }

.site-footer { padding: 68px 0 30px; color: rgba(255,255,255,.7); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 46px; }
.site-footer .brand { color: #fff; }
.site-footer p { color: rgba(255,255,255,.64); }
.footer-grid > :first-child > p { margin-top: 32px; }
.footer-grid h3 { margin-bottom: 18px; color: #fff; font-size: 24px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.7); }
.footer-links a:hover { color: #cbe8ae; }
.hotline { display: block; margin: 8px 0 14px; color: #fff; font-size: 24px; font-weight: 800; line-height: 1.25; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.13); }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .72s cubic-bezier(.2,.65,.25,1), transform .72s cubic-bezier(.2,.65,.25,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .58s ease, transform .58s ease; }
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .08s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .24s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: .32s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: .40s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: .48s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: .56s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

@media (max-width: 1080px) {
  .site-nav { gap: 16px; }
  .site-nav a { font-size: 16px; }
  .business-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .container, .narrow, .article-body, .article-detail__cover { width: min(calc(100% - 40px), var(--container)); }
  .knowledge-detail__inner { width: min(calc(100% - 40px), var(--container)); }
  .section { padding: 86px 0; }
  .nav-toggle { display: block; }
  .site-nav { position: fixed; inset: 82px 0 auto; display: grid; max-height: calc(100vh - 82px); gap: 0; padding: 16px 24px 28px; overflow: auto; border-top: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); transform: translateY(-130%); opacity: 0; transition: .3s ease; }
  .site-nav.is-open { transform: none; opacity: 1; }
  .site-nav a { padding: 13px 0; font-size: 17px; }
  .site-nav a::after { bottom: 6px; transform-origin: left; }
  .hero { min-height: 650px; }
  .hero__media img { object-position: 38% center; }
  .hero__inner { align-items: flex-end; }
  .hero-card { width: min(640px, 88%); margin: 0 0 50px; padding: 44px; }
  .section-head, .split, .split--reverse, .process, .contact-wrap, .detail-layout { grid-template-columns: 1fr; gap: 48px; }
  .section-head__copy { justify-self: start; }
  .page-home .section-head > .section-head__copy,
  :is(.page-about, body:has(.site-nav a[href="about.html"][aria-current="page"])) .section-head > .section-head__copy,
  :is(.page-knowledge, body:has(.site-nav a[href="knowledge.html"][aria-current="page"])) .section-head > .section-head__copy { padding-top: 0; }
  .split__media { order: -1; }
  .split__media img { height: 420px; }
  .contact-media { min-height: 460px; order: -1; }
  .detail-aside { position: static; }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .image-callout__card { width: 72%; }
}

@media (max-width: 620px) {
  .container, .narrow, .article-body, .article-detail__cover { width: min(calc(100% - 32px), var(--container)); }
  body { line-height: 1.75; }
  h1 { font-size: 38px; }
  h2 { font-size: 30px; }
  h3, h4 { font-size: 24px; }
  .header-inner { min-height: 72px; }
  .brand-logo { width: 186px; height: 42px; }
  .site-nav { inset: 72px 0 auto; max-height: calc(100vh - 72px); }
  .section { padding: 70px 0; }
  .hero { min-height: 700px; }
  .hero::after { background: linear-gradient(180deg, rgba(9,32,40,.08), rgba(9,32,40,.46)); }
  .hero__media img { object-position: 34% center; }
  .hero-card { width: 100%; margin: 0 0 22px; padding: 34px 26px; }
  .hero-card h1 { font-size: 39px; }
  .hero-card p { font-size: 17px; }
  .hero-float { display: none; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .section-head { gap: 24px; margin-bottom: 36px; }
  .intro p, .lead { font-size: 17px; }
  .business-grid, .service-grid, .solution-grid, .value-grid, .article-grid, .quote-grid, .stats { grid-template-columns: 1fr; }
  .service-card { min-height: 340px; }
  .business-card { min-height: 300px; }
  .split__media img { height: 340px; }
  .split__media::before { right: 0; bottom: -16px; }
  .image-callout { min-height: 620px; align-items: flex-end; }
  .image-callout__card { width: 100%; padding: 38px 26px; }
  .process { gap: 36px; }
  .process-tab:hover, .process-tab.is-active { transform: none; }
  .page-hero { min-height: 410px; }
  .catalog { overflow-x: auto; }
  .catalog-row { min-width: 720px; }
  .article-detail { padding: 72px 0; }
  .article-detail__cover { height: 300px; margin-bottom: 50px; }
  .article-body p, .article-body li { font-size: 17px; }
  .knowledge-detail { padding: 56px 0 76px; }
  .knowledge-detail__inner { width: min(calc(100% - 32px), var(--container)); }
  .knowledge-detail__header h1 { font-size: 30px; line-height: 1.42; }
  .knowledge-detail__header time { margin-top: 28px; font-size: 18px; }
  .knowledge-detail__lead { min-height: 0; margin: 30px 0 38px; padding: 22px 24px; border-left-width: 5px; font-size: 16px; }
  .knowledge-detail__body h2 { margin-top: 32px; font-size: 18px; }
  .knowledge-detail__body p { font-size: 16px; line-height: 2; }
  .knowledge-detail__pager { grid-template-columns: 1fr; gap: 18px; margin-top: 52px; }
  .knowledge-detail__pager a:last-child { text-align: left; }
  .knowledge-detail__more { margin-top: 72px; }
  .knowledge-detail__more-grid { grid-template-columns: 1fr; column-gap: 0; }
  .knowledge-detail__more-grid a { gap: 16px; }
  .contact-section { padding: 70px 0; }
  .contact-panel { padding: 40px 24px; }
  .contact-media { min-height: 320px; }
  .form-grid { grid-template-columns: 1fr; }
  .field--full, .privacy-check, .form-actions { grid-column: auto; }
  .form-actions { display: grid; }
  .privacy-card { padding: 42px 24px; border-radius: 18px; }
  .privacy-card p, .privacy-card li { font-size: 17px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
}

/* 咨询提交成功弹窗 */
body.consult-modal-open { overflow: hidden; }
.consult-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(10, 32, 40, .58);
  opacity: 0;
  transition: opacity .22s ease;
}
.consult-modal[hidden] { display: none; }
.consult-modal.is-open { opacity: 1; }
.consult-modal__dialog {
  width: min(420px, 100%);
  padding: 44px 40px 36px;
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(10, 32, 40, .26);
  text-align: center;
  transform: translateY(16px) scale(.98);
  transition: transform .22s ease;
}
.consult-modal.is-open .consult-modal__dialog { transform: none; }
.consult-modal__icon {
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border-radius: 50%;
  color: var(--green-dark);
  background: #eef7e5;
}
.consult-modal__dialog h2 { margin: 0 0 12px; font-size: 28px; letter-spacing: -.02em; }
.consult-modal__dialog p { margin: 0 0 28px; color: var(--muted); }
.consult-modal__ok { width: 100%; }
@media (max-width: 640px) {
  .consult-modal__dialog { padding: 36px 24px 28px; }
}
.consult-modal__ok:focus { outline: none; }
.consult-modal__ok:focus-visible { outline: 2px solid var(--blue-dark); outline-offset: 3px; }