@font-face { font-family: "Newsreader"; src: url("../fonts/newsreader-latin-opsz-normal.woff2") format("woff2"); font-weight: 200 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url("../fonts/newsreader-latin-opsz-italic.woff2") format("woff2"); font-weight: 200 800; font-style: italic; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("../fonts/instrument-sans-latin-wght-normal.woff2") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }

:root {
  color-scheme: light;
  --paper: #faf8f3;
  --tint: #f3efe6;
  --ink: #1b1d1c;
  --soft: #5e6059;
  --line: #dfdacd;
  --red: #c7401f;
  --green: #1f4d4a;
  --serif: "Newsreader", "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, Georgia, serif;
  --sans: "Instrument Sans", "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --gutter: clamp(16px, 4vw, 56px);
  --band: clamp(56px, 8vw, 120px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.65 var(--sans); overflow-wrap: break-word; }
:lang(zh) body, body:lang(zh) { line-height: 1.85; letter-spacing: .01em; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--red); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; margin: 0; letter-spacing: -.015em; line-height: 1.12; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6.6vw, 5.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: 1.4rem; line-height: 1.25; }
h1 em, h2 em, .footer-line em, .statement em { font-style: italic; color: var(--red); }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { letter-spacing: .01em; line-height: 1.3; font-weight: 500; }
:lang(zh) em { font-style: normal; }
address { font-style: normal; }
p { margin: 0 0 1em; }
code { font: .9em ui-monospace, "SF Mono", Menlo, Consolas, monospace; background: var(--tint); padding: .1em .35em; border-radius: 3px; }

.wrap { width: 100%; max-width: 1320px; margin-inline: auto; padding-inline: var(--gutter); }
.wrap.narrow { max-width: calc(720px + 2 * var(--gutter)); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 20; }
.skip:focus { left: 8px; }
.kicker { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--soft); margin-bottom: 1.1em; }
:lang(zh) .kicker { letter-spacing: .12em; font-size: .85rem; }
.kicker a { text-decoration: none; }
.lead { font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.6rem); line-height: 1.42; color: #33352f; max-width: 34em; margin-top: 1.1em; }
:lang(zh) .lead { line-height: 1.7; }
.num { font-family: var(--serif); font-style: italic; color: var(--red); }
:lang(zh) .num { font-style: normal; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(250, 248, 243, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 32px; min-height: 68px; }
.logo { font-family: var(--serif); font-size: 1.55rem; font-weight: 500; letter-spacing: .2em; text-decoration: none; }
.nav { display: flex; gap: clamp(16px, 2.2vw, 34px); margin-left: auto; font-size: .95rem; }
.nav a { text-decoration: none; padding: 6px 0; border-bottom: 1px solid transparent; }
.nav a[aria-current="page"] { border-color: var(--red); }
.lang { font-size: .9rem; text-decoration: none; border: 1px solid var(--line); border-radius: 99px; padding: 4px 13px; }
.lang:hover { border-color: var(--red); }
.menu { display: none; position: relative; }
.menu summary { cursor: pointer; list-style: none; font-size: .95rem; padding: 6px 0; }
.menu summary::-webkit-details-marker { display: none; }
.menu nav { position: absolute; right: 0; top: calc(100% + 13px); background: var(--paper); border: 1px solid var(--line); width: 220px; padding: 10px 20px; display: grid; }
.menu nav a { padding: 10px 0; text-decoration: none; border-bottom: 1px solid var(--line); }
.menu nav a:last-child { border: 0; }

/* Home hero */
.hero { padding-block: clamp(40px, 6vw, 88px) clamp(40px, 5vw, 72px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr); gap: clamp(32px, 5vw, 80px); align-items: end; }
.hero h1 { font-size: clamp(2.9rem, 7vw, 6.2rem); line-height: 1.02; }
:lang(zh) .hero h1 { line-height: 1.25; font-size: clamp(2.2rem, 4.5vw, 4.1rem); }
.actions { margin-top: 2.2em; display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; }
.hero-art { margin: 0; }
figcaption { font: italic .95rem var(--serif); color: var(--soft); margin-top: 10px; }
:lang(zh) figcaption { font-style: normal; }
.button { display: inline-block; background: var(--ink); color: var(--paper); padding: 13px 26px; text-decoration: none; border-radius: 99px; font-size: .98rem; transition: background .2s; }
.button:hover { background: var(--red); color: #fff; }
.text-link { text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.text-link::after { content: " →"; }

.statement { border-block: 1px solid var(--line); padding-block: clamp(48px, 7vw, 104px); }
.statement p { font-family: var(--serif); font-size: clamp(1.7rem, 3.5vw, 3rem); line-height: 1.24; letter-spacing: -.01em; max-width: 25em; margin: 0; text-wrap: pretty; }
:lang(zh) .statement p { line-height: 1.55; letter-spacing: .01em; }

/* Bands */
.band { padding-block: var(--band); }
.band.tinted { background: var(--tint); }
.band.flush { padding-top: 0; }
.band-head { margin-bottom: clamp(32px, 4vw, 60px); max-width: 780px; }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 6vw, 96px); align-items: start; }
.split-head { position: sticky; top: 100px; }
.split-head p:not(.kicker) { color: var(--soft); margin-top: 1em; }
.split-body > p:first-child { margin-top: 0; }
.split-body { font-size: 1.08rem; }
.more { margin-top: clamp(26px, 3vw, 40px); }

/* Service list */
.service-list { border-top: 1px solid var(--ink); }
.service-list li { border-bottom: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 56px minmax(0, 4fr) minmax(0, 5fr) 148px; gap: clamp(14px, 3vw, 40px); align-items: center; padding-block: 24px; text-decoration: none; transition: padding .25s ease; }
.service-row:hover { padding-left: 10px; color: inherit; }
.service-row:hover .service-name { color: var(--red); }
.service-name { font: 400 clamp(1.5rem, 2.8vw, 2.35rem)/1.15 var(--serif); }
.service-text { color: var(--soft); }
.thumb { width: 148px; aspect-ratio: 4 / 3; }

.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px) clamp(24px, 4vw, 64px); }
.principles li { border-top: 1px solid var(--ink); padding-top: 18px; }
.principles h3 { margin-bottom: .55em; }
.principles p { color: #44463f; margin: 0; }

.process { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 36px); }
.process li { border-top: 1px solid var(--line); padding-top: 16px; }
.process .num { display: block; font-size: 1.5rem; margin-bottom: 18px; }
.process h3 { margin-bottom: .5em; }
.process p { font-size: .96rem; color: #44463f; margin: 0; }

.sector-list { border-top: 1px solid var(--ink); }
.sector-list a { display: block; font: 400 clamp(1.3rem, 2.2vw, 1.85rem)/1.2 var(--serif); padding: 16px 0; border-bottom: 1px solid var(--line); text-decoration: none; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(30px, 4vw, 52px) clamp(20px, 3vw, 40px); }
.card a { text-decoration: none; display: block; }
.card .plate { margin-bottom: 16px; transition: opacity .2s; }
.card a:hover .plate { opacity: .82; }
.card a:hover h3 { color: var(--red); }
.card h3 { margin-bottom: .45em; }
.card p:last-child { color: var(--soft); font-size: .98rem; margin: 0; }
.meta { font-size: .85rem; color: var(--soft); margin-bottom: .5em; }
.plate { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.plate.wide { aspect-ratio: 40 / 17; }

/* Inner pages */
.page-hero { padding-block: clamp(48px, 7vw, 104px) clamp(36px, 5vw, 64px); }
.hero-plate { margin: clamp(32px, 5vw, 64px) 0 0; }
.rows { border-top: 1px solid var(--ink); }
.row { padding-block: 20px; border-bottom: 1px solid var(--line); }
.row h3 { margin-bottom: .35em; }
.row p { margin: 0; color: #44463f; }
.row.numbered { display: grid; grid-template-columns: 46px minmax(0, 1fr); }
.row.numbered .num { grid-row: span 2; font-size: 1.2rem; line-height: 1.5; }
.ticks { border-top: 1px solid var(--ink); }
.ticks li { padding: 13px 0 13px 28px; border-bottom: 1px solid var(--line); position: relative; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 1.45em; width: 10px; height: 10px; border-radius: 50%; background: var(--red); }
.tags { display: flex; flex-wrap: wrap; gap: 9px; }
.split-body .tags { margin-top: 4px; }
.tags li { border: 1px solid var(--line); background: var(--paper); border-radius: 99px; padding: 4px 14px; font-size: .95rem; }
.inline-list { display: flex; flex-wrap: wrap; gap: 3px 15px; color: var(--soft); font-size: .93rem; margin-bottom: 1.5em; }
.inline-list li + li::before { content: "·"; margin-right: 15px; }

.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 17px 34px 17px 0; font: 400 1.25rem/1.32 var(--serif); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.5rem; color: var(--red); }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding-bottom: 20px; color: #44463f; max-width: 42em; }

.service-block { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 5vw, 72px); align-items: center; padding-block: clamp(26px, 4vw, 48px); border-top: 1px solid var(--line); }
.service-block:first-child { border-top: 0; padding-top: 0; }
.service-block h2 a { text-decoration: none; }
.service-block h2 { margin-bottom: .5em; }

.chooser { width: 100%; border-collapse: collapse; border-top: 1px solid var(--ink); }
.chooser th, .chooser td { text-align: left; padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; font-weight: 400; }
.chooser thead th { font-size: .85rem; color: var(--soft); }
.chooser tbody th { width: 58%; }
.chooser td { font-family: var(--serif); font-size: 1.15rem; }

.related { border-top: 1px solid var(--ink); }
.related a { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; font: 400 1.35rem var(--serif); }

/* CTA */
.cta { background: var(--green); color: #f4f2ea; padding-block: var(--band); }
.cta .kicker { color: #b6c9c3; }
.cta h2 { font-size: clamp(2.2rem, 5vw, 4.2rem); max-width: 16em; }
.cta h2 em { color: #f0b39f; }
.cta p:not(.kicker) { max-width: 38em; margin-block: 1.3em 1.8em; color: #dbe3de; }
.cta .button { background: #f4f2ea; color: var(--ink); margin-right: 22px; }
.cta .button:hover { background: #f0b39f; color: var(--ink); }
.cta .mail { color: #f4f2ea; }

/* Contact */
.contact-direct { padding-top: 0; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 5vw, 80px); }
.contact-grid > div { border-top: 1px solid var(--ink); padding-top: 28px; }
.big-mail, .big-address { font: 400 clamp(1.7rem, 3.5vw, 2.8rem)/1.2 var(--serif); margin-bottom: .5em; }
.topics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.topic { background: var(--paper); padding: 26px; text-decoration: none; display: block; border: 1px solid var(--line); transition: border-color .2s; }
.topic:hover { color: inherit; border-color: var(--red); }
.topic h3 { margin-bottom: .4em; }
.topic p { color: #44463f; }
.topic span { color: var(--red); font-size: .93rem; }

/* Article */
.article-head { padding-top: clamp(44px, 6vw, 88px); }
.article-head h1 { font-size: clamp(2.3rem, 5vw, 4rem); }
.article-plate { margin-block: clamp(30px, 4vw, 56px); }
.article-body { font: 400 1.22rem/1.62 var(--serif); padding-bottom: var(--band); }
:lang(zh) .article-body { font: 400 1.1rem/1.95 var(--sans); }
.article-body h2 { font-size: clamp(1.55rem, 2.7vw, 2.1rem); margin: 1.7em 0 .6em; }
.article-body h3 { margin: 1.4em 0 .5em; }
.article-body ul, .article-body ol { margin: 0 0 1.2em 1.3em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: .4em; }
.article-body li::marker { color: var(--red); }
.article-body blockquote { margin: 1.6em 0; padding-left: 22px; border-left: 2px solid var(--red); font-style: italic; }
:lang(zh) .article-body blockquote { font-style: normal; }
.article-body code { font-size: .78em; }
.legal-body { font: 400 1.05rem/1.7 var(--sans); }
.next-article { border-top: 1px solid var(--line); padding-block: 26px var(--band); margin-top: 0; }
.next-article a { font: 400 clamp(1.5rem, 3vw, 2.2rem)/1.2 var(--serif); text-decoration: none; }

/* Footer */
.site-footer { padding-block: clamp(56px, 7vw, 96px) 34px; }
.footer-line { font: 400 clamp(1.8rem, 4vw, 3.2rem)/1.15 var(--serif); max-width: 19em; margin-bottom: clamp(36px, 5vw, 64px); }
:lang(zh) .footer-line { line-height: 1.4; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 32px; border-top: 1px solid var(--ink); padding-top: 26px; }
.footer-grid h2 { font: 400 .78rem var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--soft); margin-bottom: 12px; }
.footer-grid li { margin-bottom: 7px; }
.footer-grid li a { text-decoration: none; }
.footer-id .logo { display: block; margin-bottom: 12px; }
.legal { color: var(--soft); font-size: .86rem; margin: 44px 0 0; }
.not-found { min-height: 54vh; }

@media (max-width: 1040px) {
  .nav { display: none; }
  .menu { display: block; }
  .lang { margin-left: auto; }
  .bar { gap: 18px; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 780px) {
  .hero-grid, .split, .service-block, .contact-grid, .topics { grid-template-columns: minmax(0, 1fr); }
  .split-head { position: static; }
  .service-row { grid-template-columns: 38px minmax(0, 1fr); gap: 4px 12px; }
  .service-text { grid-column: 2; }
  .thumb { display: none; }
  .cards, .principles, .process { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-id { grid-column: 1 / -1; }
  .plate.wide { aspect-ratio: 4 / 3; }
  .chooser tbody th { width: 62%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
@media print {
  .site-header, .cta, .site-footer { display: none; }
}