/* 北京冠和权律师事务所 · 证书防伪印刷体系：凹版藏蓝细线压在防伪底纹色场上，朱红只用于印记。方角、无阴影、无渐变。 */
@font-face { font-family: "CR Serif"; src: url("/fonts/serif-66998541d7.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --ink: #1E2B5E;          /* 凹版藏蓝：正文与线稿 */
  --ink-2: #44507A;        /* 次级文字（由藏蓝调出，不用灰） */
  --line: #5F6F9E;         /* 中环线色 */
  --seal: #B3261E;         /* 朱红：只用于印记、编号、焦点 */
  --blue: #DCE3EE;         /* 专利底纹场 */
  --blue-line: #C3CEE0;
  --ochre: #EFE6DA;        /* 法务底纹场 */
  --ochre-line: #DFD1BE;
  --sheet: #FBFBF8;        /* 纸面 */
  --rule: #B9C2D6;
  --serif: "CR Serif", "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --u: 8px;
  --max: 1200px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --wave-blue: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='10'%3E%3Cpath d='M0 5 Q6 0 12 5 T24 5 T36 5 T48 5' fill='none' stroke='%23C3CEE0' stroke-width='.6'/%3E%3C/svg%3E");
  --wave-ochre: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='10'%3E%3Cpath d='M0 5 Q6 0 12 5 T24 5 T36 5 T48 5' fill='none' stroke='%23DFD1BE' stroke-width='.6'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body { margin: 0; background: var(--sheet); color: var(--ink); font: 400 1rem/1.8 var(--sans); line-break: strict; word-break: normal; overflow-wrap: anywhere; }
::selection { background: var(--ink); color: var(--sheet); }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: .28em; text-decoration-color: var(--line); }
a:hover { text-decoration-color: var(--seal); }
:focus-visible { outline: 2px solid var(--seal); outline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; text-wrap: balance; word-break: keep-all; }
.lead, .tagline, .ledger span, .areas span, .note, .fine, .small { text-wrap: pretty; }
p { margin: 0 0 calc(var(--u) * 2); }
.disp { font-family: var(--serif); font-weight: 700; letter-spacing: .02em; line-height: 1.25; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 10; background: var(--sheet); padding: 8px 12px; }
.small { font-size: .875rem; color: var(--ink-2); }
.fine { font-size: .8125rem; color: var(--ink-2); line-height: 1.7; }
.lead { font-size: 1.125rem; color: var(--ink-2); max-width: 38em; }
.nb { white-space: nowrap; }
.pending { background: #fff; color: var(--seal); border: 1px dashed var(--seal); padding: 0 .35em; font-weight: 500; }
.arw { width: 1em; height: .7em; vertical-align: .05em; margin-left: .35em; transition: transform .4s var(--ease); }
a:hover .arw { transform: translateX(3px); }

/* 顶栏 */
.top { position: sticky; top: 0; z-index: 5; background: var(--sheet); border-bottom: 1px solid var(--ink); }
.top::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; border-bottom: .5px solid var(--rule); }
.bar { max-width: var(--max); margin: 0 auto; padding: 0 calc(var(--u) * 3); display: flex; align-items: center; gap: calc(var(--u) * 3); min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--serif); font-weight: 700; font-size: 1.0625rem; letter-spacing: .06em; margin-right: auto; }
.top nav { display: flex; gap: calc(var(--u) * 3); }
.top nav a { text-decoration: none; font-size: .9375rem; padding: 4px 0; border-bottom: 1px solid transparent; }
.top nav a:hover { border-bottom-color: var(--line); }
.top nav a[aria-current="page"] { border-bottom-color: var(--seal); }
.tel-m { display: none; }
.tel { text-decoration: none; font-variant-numeric: tabular-nums; font-size: .9375rem; color: var(--ink-2); }

/* 缩微文字 */
.micro { font: 500 6px/1 var(--sans); letter-spacing: .18em; white-space: nowrap; overflow: hidden; color: var(--line); opacity: .8; padding: 3px 0; border-block: .5px solid var(--rule); user-select: none; }

/* 扭索纹花团 */
.rosette { display: block; overflow: visible; }
.rosette path { fill: none; vector-effect: non-scaling-stroke; stroke-width: .6px; }
.rosette .g-outer path { stroke: var(--ink); stroke-opacity: .5; }
.rosette .g-mid path { stroke: var(--line); stroke-opacity: .65; }
.rosette .g-core path { stroke: var(--seal); stroke-opacity: .5; }
@media (prefers-reduced-motion: no-preference) {
  .rosette.is-drawn path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.8s var(--ease) forwards; animation-delay: calc(var(--i) * 28ms); }
  @keyframes draw { to { stroke-dashoffset: 0; } }
}

/* 首屏：一张凭证 */
.hero { position: relative; overflow: hidden; background: var(--blue) var(--wave-blue); padding: calc(var(--u) * 6) calc(var(--u) * 3) calc(var(--u) * 5); min-height: min(860px, calc(100svh - 64px)); display: grid; grid-template-rows: auto 1fr auto; justify-items: center; align-items: center; }
.hero .micro-top { position: absolute; top: 14px; left: 0; right: 0; }
.r-hero { position: absolute; left: 50%; top: 50%; width: min(96vw, 1040px); aspect-ratio: 1; transform: translate(-50%, -50%); }
.cartouche { grid-row: 1; align-self: start; margin-top: calc(var(--u) * 4); position: relative; z-index: 1; text-align: center; background: var(--sheet); padding: calc(var(--u) * 3) calc(var(--u) * 5); border: 1px solid var(--ink); outline: .5px solid var(--ink); outline-offset: 5px; max-width: 900px; }
.cartouche .since { margin: calc(var(--u) * 2) 0 0; padding-top: calc(var(--u) * 1.5); border-top: .5px solid var(--rule); font-family: var(--serif); font-weight: 700; color: var(--seal); letter-spacing: .3em; font-size: .875rem; }
.cartouche h1 { font-size: clamp(2.125rem, 5vw, 4.25rem); letter-spacing: .06em; line-height: 1.15; }
@media (min-width: 861px) { .cartouche h1 { white-space: nowrap; } }
.tagline { margin: calc(var(--u) * 2) 0 0; color: var(--ink-2); font-size: 1.0625rem; }
.stubs { grid-row: 3; align-self: end; position: relative; z-index: 1; width: 100%; max-width: var(--max); display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--u) * 3); margin-top: calc(var(--u) * 5); }
.stub { position: relative; display: grid; gap: 6px; text-decoration: none; background: var(--sheet); border: 1px solid var(--ink); padding: calc(var(--u) * 3) calc(var(--u) * 3.5) calc(var(--u) * 3) calc(var(--u) * 6); transition: background-color .5s var(--ease); }
.stub-perf { position: absolute; left: calc(var(--u) * 3); top: 10px; bottom: 10px; border-left: 1px dashed var(--line); }
.stub-perf::before, .stub-perf::after { content: ""; position: absolute; left: -6px; width: 11px; height: 11px; border-radius: 50%; background: var(--blue); border: 1px solid var(--ink); }
.stub-perf::before { top: -17px; } .stub-perf::after { bottom: -17px; }
.stub-k { font-family: var(--serif); font-weight: 700; font-size: clamp(1.5rem, 2.6vw, 2rem); letter-spacing: .06em; }
.stub-list { color: var(--ink-2); font-size: .9375rem; }
.stub-go { margin-top: 6px; font-weight: 600; color: var(--ink); }
.stub-no { position: absolute; top: calc(var(--u) * 2.5); right: calc(var(--u) * 3); font: 600 .8125rem/1 var(--serif); letter-spacing: .14em; color: var(--seal); font-variant-numeric: tabular-nums; }
.stub-patent:hover, .stub-patent:focus-visible { background: #EEF2F8; }
.stub-legal:hover, .stub-legal:focus-visible { background: #F7F1E9; }

/* 色场 */
.band { padding: calc(var(--u) * 10) calc(var(--u) * 3); border-top: 1px solid var(--ink); }
.band-patent { background: var(--blue) var(--wave-blue); }
.band-legal { background: var(--ochre) var(--wave-ochre); }
.band-in { max-width: var(--max); margin: 0 auto; }
.band h2 { font-size: clamp(1.625rem, 3vw, 2.375rem); margin-bottom: calc(var(--u) * 2); }
.band h2 + .lead { margin-bottom: calc(var(--u) * 5); }
.two { display: grid; grid-template-columns: 1.15fr 1fr; gap: calc(var(--u) * 8); align-items: start; }
.area h2:not(:first-child) { margin-top: calc(var(--u) * 6); }

/* 账簿式列表 */
.ledger { list-style: none; margin: 0 0 calc(var(--u) * 3); padding: 0; border-top: 1px solid var(--ink); }
.ledger li { display: grid; grid-template-columns: 11em 1fr; gap: calc(var(--u) * 3); padding: calc(var(--u) * 2) 0; border-bottom: .5px solid var(--rule); }
.ledger strong { font-weight: 600; }
.ledger span { color: var(--ink-2); }
.more { font-weight: 600; text-decoration: none; color: var(--ink); }

/* 发明村面板：一张附页 */
.fmc, .startbox { background: var(--sheet); border: 1px solid var(--ink); outline: .5px solid var(--ink); outline-offset: 4px; padding: calc(var(--u) * 4); }
.fmc h3 { font-size: 1.375rem; margin-bottom: calc(var(--u) * 1.5); }
.steps { list-style: none; counter-reset: s; margin: calc(var(--u) * 3) 0; padding: 0; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 2.2em 1fr; column-gap: 12px; padding: 12px 0; border-top: .5px solid var(--rule); }
.steps li::before { content: counter(s); grid-row: span 2; font-family: var(--serif); font-weight: 700; color: var(--seal); font-size: 1.25rem; line-height: 1.4; }
.steps strong { display: block; }
.steps span { color: var(--ink-2); font-size: .9375rem; }
.fmc-act { display: flex; flex-wrap: wrap; gap: calc(var(--u) * 3); align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 4px; background: var(--ink); color: var(--sheet); text-decoration: none; padding: 12px 22px; font-weight: 600; border: 1px solid var(--ink); transition: background-color .3s var(--ease); }
.btn:hover { background: #142048; }
.btn .arw { stroke: currentColor; }

/* 法务五类 */
.areas { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.areas a { display: grid; grid-template-columns: 12em 1fr auto; gap: calc(var(--u) * 3); align-items: baseline; padding: calc(var(--u) * 2.5) 0; border-bottom: .5px solid var(--ochre-line); text-decoration: none; }
.areas a > * { transition: transform .4s var(--ease); }
.areas a:hover > * { transform: translateX(8px); }
.areas strong { font-family: var(--serif); font-weight: 700; font-size: 1.25rem; letter-spacing: .04em; }
.areas span { color: var(--ink-2); }
.areas em { grid-column: 2; font-style: normal; font-size: .875rem; color: var(--ink-2); }
.areas-lg a { grid-template-rows: auto auto; }
.areas-lg .arw { grid-column: 3; grid-row: 1; }
.note { border-top: .5px solid var(--rule); padding-top: 12px; font-size: .9375rem; color: var(--ink-2); }
.siblings { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: calc(var(--u) * 4) calc(var(--u) * 3); }

/* 关于 */
.about { align-items: center; }
.books ul { list-style: none; display: flex; gap: 16px; padding: 0; margin: 0 0 10px; align-items: flex-end; }
.books img { width: 130px; border: 1px solid var(--ink); }
.books figcaption { font-size: .875rem; color: var(--ink-2); }

/* 内页页首 */
.phead { position: relative; overflow: hidden; background: var(--blue) var(--wave-blue); border-bottom: 1px solid var(--ink); padding: calc(var(--u) * 8) calc(var(--u) * 3) calc(var(--u) * 7); }
.t-legal .phead { background: var(--ochre) var(--wave-ochre); }
.r-phead { position: absolute; right: -6%; top: 50%; width: min(520px, 60vw); aspect-ratio: 1; transform: translateY(-50%); }
.phead-in { position: relative; max-width: var(--max); margin: 0 auto; }
.phead h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: .06em; margin-bottom: calc(var(--u) * 2); }
.phead .lead { max-width: 30em; }
.crumbs { display: flex; gap: 10px; font-size: .8125rem; color: var(--ink-2); margin-bottom: calc(var(--u) * 3); }
.crumbs a { color: var(--ink-2); }
.axis { position: relative; max-width: 760px; margin: calc(var(--u) * 4) 0 calc(var(--u) * 4); padding-left: calc(var(--u) * 6); }
.axis::before { content: ""; position: absolute; left: 14px; top: 6px; bottom: 6px; border-left: 1px solid var(--ink); }
.axis-seg { position: relative; padding: calc(var(--u) * 3) calc(var(--u) * 3.5); border: 1px solid var(--ink); }
.seg-fmc { background: var(--blue) var(--wave-blue); }
.seg-firm { background: var(--sheet); outline: .5px solid var(--ink); outline-offset: 4px; }
.axis-steps { list-style: none; counter-reset: a; margin: 0; padding: 0; }
.seg-firm .axis-steps { counter-reset: a 2; }
.axis-steps li:first-child { border-top: 0; padding-top: 0; }
.axis-steps li:first-child::before { top: 0; }
.axis-steps li { counter-increment: a; position: relative; padding: 10px 0; border-top: .5px solid var(--rule); }
.axis-steps li::before { content: counter(a); position: absolute; left: calc(var(--u) * -9.5 + 1px); top: 10px; width: 26px; height: 26px; display: grid; place-items: center; background: var(--sheet); border: 1px solid var(--ink); font: 700 .875rem/1 var(--serif); color: var(--seal); }
.axis-steps strong { display: block; font-family: var(--serif); font-weight: 700; font-size: 1.125rem; }
.axis-steps span { color: var(--ink-2); font-size: .9375rem; }
.axis-seam { position: relative; margin: 0; padding: calc(var(--u) * 2.5) 0; border-block: 1px dashed var(--line); text-align: center; font-size: .875rem; color: var(--ink-2); }
.axis-seam::before { content: ""; position: absolute; left: calc(var(--u) * -6 + 9px); top: 50%; width: 11px; height: 11px; margin-top: -6px; border-radius: 50%; background: var(--seal); }
.axis-seam span { background: var(--sheet); padding: 0 12px; }
.plate-row { display: grid; grid-template-columns: minmax(240px, 400px) 1fr; gap: calc(var(--u) * 8); align-items: center; }
.plate { margin: 0; }
.plate img { border: 1px solid var(--ink); outline: .5px solid var(--ink); outline-offset: 5px; background: #fff; }
.plate figcaption { margin-top: calc(var(--u) * 2); font-size: .8125rem; color: var(--ink-2); }

/* 联系 */
.contact-strip { background: var(--ink); color: var(--sheet); padding: calc(var(--u) * 9) calc(var(--u) * 3); }
.cs-in { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.4fr; gap: calc(var(--u) * 6); }
.contact-strip h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
.contact-strip a { color: var(--sheet); text-decoration-color: rgba(251,251,248,.5); }
.contact-strip .small { grid-column: 2; color: #C9D0E2; }
.contact-strip .pending { background: transparent; color: #FFB4AE; border-color: #FFB4AE; }
.facts { display: grid; grid-template-columns: 4em 1fr; gap: 10px 20px; margin: 0; }
.facts dt { color: inherit; opacity: .75; }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.person { display: grid; grid-template-columns: 220px 1fr; gap: calc(var(--u) * 5); padding-bottom: calc(var(--u) * 5); margin-bottom: calc(var(--u) * 5); border-bottom: .5px solid var(--rule); }
.portrait { border: 1px solid var(--ink); }
.person h3 { font-size: 1.125rem; margin: calc(var(--u) * 4) 0 calc(var(--u) * 1.5); }
.ledger.cv li { grid-template-columns: 1fr; padding: 10px 0; }
.ledger.cv span { color: var(--ink); }
.books-row { list-style: none; display: flex; gap: 14px; padding: 0; margin: 0 0 calc(var(--u) * 2); align-items: flex-end; }
.books-row img { width: 110px; border: 1px solid var(--ink); }
.role { color: var(--ink-2); font-weight: 600; }

/* 页脚 */
.foot { border-top: 1px solid var(--ink); background: var(--sheet); }
.foot .bar { display: block; padding-block: calc(var(--u) * 4); font-size: .875rem; color: var(--ink-2); }
.foot p { margin: 0 0 6px; }

@media (max-width: 860px) {
  .bar { flex-wrap: wrap; gap: 4px 20px; padding-block: 10px; }
  .brand { width: 100%; }
  .hero { padding-top: calc(var(--u) * 5); min-height: auto; }
  .cartouche { padding: calc(var(--u) * 3) calc(var(--u) * 2.5); }
  .tagline br { display: none; }
  .stubs, .two, .cs-in { grid-template-columns: 1fr; }
  .two { gap: calc(var(--u) * 5); }
  .contact-strip .small { grid-column: 1; }
  .ledger li, .areas a { grid-template-columns: 1fr; gap: 2px; }
  .areas .arw { display: none; }
  .areas em { grid-column: 1; }
  .person { grid-template-columns: 1fr; }
  .person .portrait { max-width: 200px; }
  .band { padding-block: calc(var(--u) * 7); }
  .r-phead { top: -40px; right: -90px; width: 240px; transform: none; opacity: .35; }
  .phead .lead { max-width: none; }
  .r-hero { width: 150vw; top: 52%; }
  .cartouche { margin-top: 0; }
  .stubs { margin-top: 62vw; }
  .plate-row { grid-template-columns: 1fr; gap: calc(var(--u) * 4); }
  .plate { max-width: 300px; }
  .axis { padding-left: calc(var(--u) * 5); }
  .axis-seg { padding: calc(var(--u) * 2.5); }
  .axis-steps li::before { left: calc(var(--u) * -8 - 4px); }
  .axis-seam::before { left: calc(var(--u) * -5 + 9px); }
  .tel { display: none; }
  .tel-m { display: inline-flex; align-items: center; margin-left: auto; }
}