/* 杨海燕 · 低桥：一张浅灰的测绘图纸。墨线是近黑的，唯一的颜色是标注用的信号黄。
   中文全用黑体（Noto Sans SC），数字与西文用 Overpass（仿美国公路标志字体）。 */
.c-yang-haiyan {
  --bg: #ecebe6; --paper: #fbfaf7; --ink: #1b1c1e; --ink-2: #46474b; --ink-3: #636468; --rule: rgba(27, 28, 30, .16);
  --acc: #1b1c1e; --acc-ink: #fbfaf7; --sign: #f3c316; --sign-2: #fbe7a0; --shade: #dcdad3;
  --head: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; --body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --num: "Overpass", "Noto Sans SC", sans-serif;
  --bar-bg: rgba(236, 235, 230, .94); --chip-bg: rgba(251, 250, 247, .9); --chip-ring: #fbfaf7;
  background-color: var(--bg);
  font-weight: 400;
}
.c-yang-haiyan .dlg { --dlg-bg: #ecebe6; --dlg-paper: #fbfaf7; --dlg-ink: #1b1c1e; --dlg-ink-2: #46474b; --dlg-ink-3: #5e5f63; --dlg-rule: rgba(27, 28, 30, .14);
  --dlg-me: #1b1c1e; --dlg-me-ink: #fbfaf7; --dlg-acc: #1b1c1e; --dlg-mod: rgba(243, 195, 22, .2); --dlg-font: var(--body); }
.c-yang-haiyan ::selection { background: var(--sign); color: var(--ink); }
.c-yang-haiyan :focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; box-shadow: 0 0 0 6px var(--sign); }
.c-yang-haiyan .mk { font-family: var(--num); font-size: 12.5px; font-weight: 700; letter-spacing: .08em; color: var(--ink-2); }
.c-yang-haiyan a { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 页头：阅读进度是一辆公共汽车，开到右端的低桥前就停住 */
.c-yang-haiyan .c3bar { border-bottom: 2px solid var(--ink); }
.c-yang-haiyan .c3bar__t a { font-weight: 900; }
.c-yang-haiyan .c3bar__prog { left: 52px; bottom: 0; height: 0; max-width: calc(100% - 130px); background: none; border-top: 2px dashed rgba(27, 28, 30, .3); }
.c-yang-haiyan .c3bar__prog::after { content: ""; position: absolute; right: -22px; bottom: 1px; width: 20px; height: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 12'%3E%3Crect x='.6' y='.6' width='22.8' height='8.4' rx='1.6' fill='%23f3c316' stroke='%231b1c1e' stroke-width='1.2'/%3E%3Cpath d='M3 2.6h4v3H3zM8.5 2.6h4v3h-4zM14 2.6h4v3h-4z' fill='%231b1c1e'/%3E%3Ccircle cx='5.5' cy='10' r='1.8' fill='%231b1c1e'/%3E%3Ccircle cx='18.5' cy='10' r='1.8' fill='%231b1c1e'/%3E%3C/svg%3E") no-repeat 0 0 / 100% 100%; }
.c-yang-haiyan .c3bar::after { content: ""; position: absolute; right: 26px; bottom: 0; width: 24px; height: 8px; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 10'%3E%3Cpath d='M0 0h30v10h-6V5.5Q15 2.5 6 5.5V10H0z' fill='%231b1c1e'/%3E%3C/svg%3E") no-repeat 0 0 / 100% 100%; }

/* 目录 */
.c-yang-haiyan .c3toc ol { gap: 8px; }
.c-yang-haiyan .c3toc a { font-family: var(--num); font-size: 12px; font-weight: 600; color: var(--ink-3); }
.c-yang-haiyan .c3toc a span { font-family: var(--body); font-weight: 400; }
.c-yang-haiyan .c3toc a::after { width: 10px; height: 10px; border-radius: 0; border: 1.5px solid currentColor; }
.c-yang-haiyan .c3toc a[aria-current="true"] { color: var(--ink); }
.c-yang-haiyan .c3toc a[aria-current="true"]::after { background: var(--sign); border-color: var(--ink); }

/* 首屏 */
.c-yang-haiyan .c3hero { padding: calc(var(--bar) + 20px) clamp(16px, 4vw, 56px) 44px; }
.yh-hero { max-width: 1180px; margin: 0 auto; }
.yh-draw { position: relative; container-type: inline-size; }
.yh-elev { display: block; width: 100%; height: auto; overflow: visible; font-family: var(--body); }
.yh-elev line, .yh-elev path, .yh-elev rect, .yh-elev circle { vector-effect: non-scaling-stroke; }
.yh-elev__ground line { stroke: var(--ink); }
.yh-elev__under { fill: var(--shade); }
.yh-elev__far { fill: #efeee9; }
.yh-elev__face { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }
.yh-elev__ash { pointer-events: none; }
.yh-elev__panel { fill: var(--paper); stroke: var(--ink); stroke-width: 1.4; }
.yh-elev__ring { fill: none; stroke: var(--ink); stroke-width: 1.4; }
.yh-elev__vous line { stroke: var(--ink); stroke-width: 1.2; }
.yh-elev__deck { fill: var(--ink); }
.yh-elev__rail line { stroke: var(--ink); stroke-width: 2; }
.yh-car rect, .yh-car path, .yh-car circle, .yh-bus rect, .yh-bus line, .yh-bus circle { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }
.yh-car .yh-glass, .yh-bus .yh-glass { fill: #d9dbdc; }
.yh-car .yh-tyre, .yh-bus .yh-tyre { fill: var(--ink); }
.yh-bus .yh-bus__over { fill: url(#yh-over); fill-opacity: .9; stroke: none; }
.yh-bus .yh-bus__sign { fill: var(--sign); }
.yh-bus text { font-size: 17px; font-weight: 700; fill: var(--ink); }
.yh-dim line { stroke: var(--ink); stroke-width: 1.4; }
.yh-dim .yh-dim__ext { stroke-width: 1; }
.yh-dim .yh-dim__lv { stroke-dasharray: 8 6; stroke-width: 1.4; }

.yh-pin { position: relative; }
.yh-lbl { position: absolute; z-index: 1; transform: translate(-50%, -50%); padding: 2px 8px 1px; background: var(--sign); border: 1.5px solid var(--ink); border-radius: 2px;
  font-size: 15px; font-weight: 700; line-height: 1.35; white-space: nowrap; color: var(--ink); pointer-events: none; }
.yh-lbl--r { transform: translate(-100%, -50%); }
.yh-lbl--note { padding: 0; background: none; border: 0; font-size: 13px; font-weight: 400; color: var(--ink-2); }
.yh-lbl--top { padding: 0; background: none; border: 0; font-size: 14px; }
.yh-lbl--sign { background: var(--paper); font-size: 14px; }
.yh-road .yh-lbl { font-size: 14px; }
.yh-road .yh-lbl--deck { padding: 0 6px; font-size: 13px; }
.yh-plaque { position: absolute; left: 22.7%; top: 19.6%; width: 31.7%; height: 23.7%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; z-index: 1; }
.yh-k { margin: 0 0 4px; font-family: var(--body); font-size: 14px; font-weight: 500; letter-spacing: .24em; color: var(--ink-2); }
.yh-plaque h1 { margin: 0; font-family: var(--head); font-weight: 900; font-size: 5.4cqw; line-height: 1.05; letter-spacing: .32em; text-indent: .32em; color: var(--ink); }
.yh-en { margin: .35em 0 0; font-family: var(--num); font-size: max(11px, 1.3cqw); font-weight: 700; letter-spacing: .32em; text-transform: uppercase; color: var(--ink-2); }

.yh-tb { display: grid; grid-template-columns: .8fr 1fr 1.25fr 1.5fr; margin: 6px 0 0; border: 1.5px solid var(--ink); background: var(--paper); }
.yh-tb > div { padding: 5px 10px 6px; border-left: 1px solid var(--ink); }
.yh-tb > div:first-child { border-left: 0; }
.yh-tb dt { font-family: var(--num); font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--ink-3); }
.yh-tb dd { margin: 0; font-size: 13.5px; line-height: 1.5; }

.yh-sheet { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 44px); margin-top: 26px; }
.yh-who { margin: 0; font-size: 18px; font-weight: 700; line-height: 1.6; }
.yh-now { margin: 4px 0 12px; font-size: 13.5px; line-height: 1.6; color: var(--ink-3); }
.yh-rel { padding: 10px 12px; background: var(--paper); border-left: 6px solid var(--sign); box-shadow: inset 0 0 0 1px var(--rule); }
.yh-rel .mk { margin-bottom: 2px; }
.yh-rel p { margin: 0; font-size: 14.5px; line-height: 1.8; }
.yh-book { margin: 0; font-size: 16px; line-height: 1.6; }
.yh-book a { font-weight: 700; text-decoration: none; background: linear-gradient(transparent 62%, var(--sign-2) 62%); }
.yh-book a:hover { background: linear-gradient(transparent 0, var(--sign) 0); }
.yh-book span { display: block; margin-top: 4px; font-size: 13px; color: var(--ink-3); }
.yh-go { margin: 14px 0 0; }
.c-yang-haiyan .c3-btn { border-radius: 0; border: 2px solid var(--ink); font-family: var(--body); font-weight: 500; min-height: 40px; }
.c-yang-haiyan .c3-btn--go { background: var(--sign); color: var(--ink); }
.c-yang-haiyan .c3-btn--go:hover { background: #ffd43b; }
.c-yang-haiyan .c3-btn--deep { background: var(--ink); color: var(--paper); }
.c-yang-haiyan .c3-btn--wm { background: transparent; color: var(--ink); border-width: 1px; }
.yh-sheet__qs ol { list-style: none; margin: 0; padding: 0; counter-reset: q; }
.yh-sheet__qs li { counter-increment: q; }
.yh-sheet__qs a { display: grid; grid-template-columns: 2.6em 3em minmax(0, 1fr); gap: 4px; align-items: baseline; min-height: 40px; padding: 8px 0; border-top: 1px solid var(--rule); text-decoration: none; }
.yh-sheet__qs a::before { content: counter(q); justify-self: start; min-width: 1.7em; padding: 1px 0 0; text-align: center; font-family: var(--num); font-weight: 800; font-size: 13px; background: var(--sign); border: 1.5px solid var(--ink); }
.yh-sheet__qs b { font-family: var(--num); font-weight: 700; font-size: 14px; color: var(--ink-2); }
.yh-sheet__qs span { font-size: 15px; font-weight: 500; line-height: 1.45; }
.yh-sheet__qs a:hover span { text-decoration: underline; text-underline-offset: 4px; }

.yh-band { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: clamp(20px, 3vw, 44px); margin-top: 36px; padding-top: 18px; border-top: 6px solid var(--ink); }
.yh-facts { margin: 0; font-size: 14px; line-height: 1.85; color: var(--ink-2); }
.c-yang-haiyan .c3-feats { margin: 0; padding: 0; list-style: none; }
.c-yang-haiyan .c3-feats li { position: relative; padding: 5px 0 5px 18px; font-size: 14px; line-height: 1.65; border-bottom: 1px solid var(--rule); }
.c-yang-haiyan .c3-feats li::before { content: ""; position: absolute; left: 0; top: 13px; width: 8px; height: 8px; background: var(--sign); box-shadow: 0 0 0 1.5px var(--ink); }
.c-yang-haiyan .c3-links li { font-size: 14px; border-bottom: 1px solid var(--rule); }
.c-yang-haiyan .c3-links small { font-family: var(--num); }
.yh-wm { margin: 12px 0 0; }

/* 每一问：头上一道桥梁，左边页边写明谁的观点、谁的译名 */
.c-yang-haiyan .c3q { display: block; padding: calc(var(--bar) + 26px) clamp(16px, 4vw, 56px) 76px; }
.yh-q, .yh-end { max-width: 1180px; margin: 0 auto; }
.yh-beam { position: relative; height: 12px; margin: 0 0 30px; background: var(--ink); }
.yh-beam::before, .yh-beam::after { content: ""; position: absolute; top: 12px; width: 16px; height: 14px; background: var(--ink); }
.yh-beam::before { left: 0; } .yh-beam::after { right: 0; }
.yh-plate { display: inline-block; padding: 3px 10px 2px; background: var(--sign); border: 1.5px solid var(--ink); font-family: var(--num); font-size: 13px; font-weight: 800; letter-spacing: .06em; color: var(--ink); line-height: 1.4; }
.yh-beam .yh-plate { position: absolute; left: 30px; top: 12px; border-top: 0; }
.yh-q__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "head art" "rest art"; grid-template-rows: auto 1fr;
  column-gap: clamp(28px, 4.4vw, 64px); align-items: start; }
.yh-q__head { grid-area: head; }
.yh-q__art { grid-area: art; padding-top: 52px; }
.yh-q__rest { grid-area: rest; }
.yh-q__head > .c3q__when { gap: 12px; margin: 0 0 4px; }

.c-yang-haiyan .c3q__when b { font-family: var(--num); font-weight: 800; font-size: 40px; line-height: 1; color: var(--ink); }
.c-yang-haiyan .c3q__when span { font-size: 13.5px; line-height: 1.5; color: var(--ink-2); }
.c-yang-haiyan .c3q__q { margin: 0 0 14px; font-weight: 900; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.25; letter-spacing: .02em; }
.c-yang-haiyan .c3q__lede { margin: 0 0 16px; font-size: 16.5px; line-height: 1.95; color: #2a2b2e; }
.yh-attr { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); margin: 0 0 16px; border: 1.5px solid var(--ink); background: var(--paper); }
.yh-attr > div { padding: 6px 10px 7px; }
.yh-attr > div + div { border-left: 1px solid var(--ink); }
.yh-attr dt { display: inline-block; margin-bottom: 2px; padding: 0 6px; font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--ink); background: var(--paper); box-shadow: inset 0 0 0 1px var(--ink); }
.yh-attr div + div dt { background: var(--sign); }
.yh-attr dd { margin: 0; font-size: 13px; line-height: 1.6; color: var(--ink-2); }
.c-yang-haiyan .c3-quote { margin: 20px 0; padding: 14px 16px; border-left: 0; background: var(--paper); box-shadow: inset 0 0 0 1px var(--rule), inset 6px 0 0 var(--ink); }
.c-yang-haiyan .c3-quote blockquote p { font-size: 18px; font-weight: 700; line-height: 1.75; }
.c-yang-haiyan .c3-orig { font-family: var(--num); font-style: italic; font-size: 14px; color: var(--ink-2); }
.c-yang-haiyan .c3-quote figcaption { color: var(--ink-3); }
.c-yang-haiyan .c3-tags li { border-radius: 0; border-color: var(--ink); color: var(--ink); background: var(--paper); }
.c-yang-haiyan .c3-works small { color: var(--ink-3); }
.c-yang-haiyan .talk { border-radius: 0; border: 1.5px solid var(--ink); background: var(--paper); }
.c-yang-haiyan .c3-deeplink { text-decoration: none; background: linear-gradient(transparent 60%, var(--sign) 60%); padding: 0 2px; min-height: 40px; }
.c-yang-haiyan .c3-ask { border-radius: 0; border: 1px solid var(--ink); background: var(--paper); }
.c-yang-haiyan .c3-ask small, .c-yang-haiyan .rel { color: var(--ink-2); }
.c-yang-haiyan .rel { opacity: 1; }

/* “反向适应”：引文排进固定的格子，栏宽固定，长句被硬折 */
.yh-q--reverse .c3-quote blockquote p { --cell: 30px; --fs: 21px; box-sizing: border-box; width: calc(var(--cell) * 10 + (var(--cell) - var(--fs) - 1px) / 2 + 1px);
  padding: 1px 0 0 calc((var(--cell) - var(--fs) - 1px) / 2 + 1px); font-size: var(--fs); line-height: var(--cell); letter-spacing: calc(var(--cell) - var(--fs)); font-weight: 500;
  word-break: break-all; line-break: anywhere;
  background-image: repeating-linear-gradient(90deg, rgba(27, 28, 30, .32) 0 1px, transparent 1px var(--cell)), repeating-linear-gradient(180deg, rgba(27, 28, 30, .32) 0 1px, transparent 1px var(--cell));
  background-size: calc(var(--cell) * 10 + 1px) 100%; background-repeat: no-repeat; background-position: 0 0; }
.yh-q--reverse .c3-quote::after { content: "这一屏的引文排进了固定的格子：格子不变，句子迁就格子。"; display: block; margin-top: 8px; font-size: 12.5px; color: var(--ink-3); }

/* 图版 */
.yh-fig { margin: 0; }
.yh-fig img { display: block; width: 100%; height: auto; border: 1.5px solid var(--ink); background: var(--paper); }
.yh-fig figcaption { margin-top: 8px; max-width: 44em; font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.yh-fig--tall { max-width: 360px; }
.yh-fig--tall img { max-height: 70vh; width: auto; max-width: 100%; }

/* 机关：把公共汽车开过桥洞 */
.yh-lab, .yh-plug { padding: 16px 18px 18px; background: var(--paper); border: 1.5px solid var(--ink); }
.yh-lab__k { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin: 0 0 12px; }
.yh-lab__k b { font-size: 17px; font-weight: 900; }
.yh-road { position: relative; border: 1px solid var(--rule); background: #f4f3ef; overflow: hidden; touch-action: pan-y; }
.yh-side { display: block; width: 100%; height: auto; font-family: var(--body); }
.yh-side line { stroke: var(--ink); }
.yh-side__lane line { stroke-width: 1.4; opacity: .35; }
.yh-side__face { fill: var(--paper); stroke: var(--ink); stroke-width: 1.6; }
.yh-side__soffit { fill: var(--ink); }
.yh-side__dim line { stroke-width: 1.2; }

.yh-side__hit line { stroke: var(--sign); }
.yh-v rect, .yh-v path, .yh-v circle { stroke: var(--ink); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.yh-v .yh-v__body { fill: var(--paper); }
.yh-v .yh-v__glass { fill: #d9dbdc; }
.yh-v .yh-v__tyre { fill: var(--ink); }
.yh-v .yh-v__sign { fill: var(--sign); }
.yh-v .yh-v__over { fill: url(#yh-over2); stroke: none; }
.yh-v text { font-size: 11px; font-weight: 700; fill: var(--ink); stroke: none; }
.yh-veh { position: absolute; left: 0; top: 0; width: 10%; height: 10%; min-width: 44px; padding: 0; border: 0; background: transparent; cursor: grab; touch-action: none; -webkit-user-select: none; user-select: none; z-index: 2; }
.yh-veh:active { cursor: grabbing; }
.yh-veh:focus-visible { outline: 3px solid var(--ink); outline-offset: 0; box-shadow: 0 0 0 6px var(--sign); }
.yh-lab__help { margin: 8px 0 0; font-size: 13px; line-height: 1.7; color: var(--ink-3); }
.yh-ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-top: 12px; }
.yh-ctl button { min-height: 40px; padding: 6px 14px; border: 1.5px solid var(--ink); border-radius: 0; background: var(--paper); color: var(--ink); font: inherit; font-family: var(--body); font-size: 14.5px; font-weight: 500; line-height: 1.3; cursor: pointer; }
@media (hover: hover) { .yh-ctl button:hover { background: #fff; box-shadow: 3px 3px 0 var(--ink); } .yh-plug__btn:hover { box-shadow: 4px 4px 0 var(--ink); } }
.yh-ctl .yh-ctl__go { background: var(--ink); color: var(--paper); }
@media (hover: hover) { .yh-ctl .yh-ctl__go:hover { background: #000; } }
.yh-seg { display: inline-flex; }
.yh-seg button + button { margin-left: -1.5px; }
.yh-seg button[aria-pressed="true"] { background: var(--sign); font-weight: 700; }
.yh-ctl--q { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--ink-3); }
.yh-ctl__lab { margin: 0; font-size: 14px; font-weight: 700; }
.yh-score { margin: 12px 0 0; font-family: var(--num); font-size: 13px; color: var(--ink-2); }
.yh-score b { display: inline-block; min-width: 1.6em; padding: 0 4px; text-align: center; background: var(--ink); color: var(--paper); font-weight: 800; }
.yh-out { min-height: 3.5em; margin: 8px 0 0; font-size: 14.5px; line-height: 1.8; }
.yh-fn { margin: 10px 0 0; padding-top: 8px; border-top: 1px solid var(--rule); font-size: 12.5px; line-height: 1.7; color: var(--ink-3); }
.yh-road.is-bump .yh-side__bridge { animation: yh-shake .4s linear; }
@keyframes yh-shake { 20% { transform: translateX(2px); } 40% { transform: translateX(-2px); } 60% { transform: translateX(1px); } 80% { transform: translateX(-1px); } }

/* 机关：拔掉插头 */
.yh-q--unplug .yh-fig--tall { display: grid; grid-template-columns: minmax(0, 250px) minmax(0, 1fr); gap: 16px; align-items: end; max-width: none; margin-bottom: 20px; }
.yh-q--unplug .yh-fig--tall figcaption { margin: 0; }
.yh-plug__t { margin: 0 0 12px; font-size: 14.5px; line-height: 1.8; }
.yh-plug__btn { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 6px 16px 6px 10px; border: 2px solid var(--ink); border-radius: 0; background: var(--sign);
  color: var(--ink); font: inherit; font-weight: 700; font-size: 15px; cursor: pointer; }
.yh-plug__btn svg { width: 84px; height: 28px; overflow: visible; }
.yh-plug__btn svg path, .yh-plug__btn svg rect { fill: none; stroke: var(--ink); stroke-width: 2.4; }
.yh-plug__btn svg circle { fill: var(--ink); }
.yh-plug__p { transition: transform .35s cubic-bezier(.3, 1.4, .6, 1); }


/* 结尾 */
.c-yang-haiyan .c3end { padding: calc(var(--bar) + 26px) clamp(16px, 4vw, 56px) 64px; }
.yh-end h2 { margin: 0 0 18px; font-weight: 900; font-size: clamp(30px, 3.4vw, 44px); }
.yh-end h3 { margin: 32px 0 12px; font-size: 18px; font-weight: 900; }
.c-yang-haiyan .c3-lin li { border-radius: 0; border: 1.5px solid var(--ink); background: var(--paper); }
.c-yang-haiyan .c3-lin li p { color: var(--ink-2); }
.yh-gap { max-width: 46em; margin: 22px 0 0; padding: 10px 14px; font-size: 14px; line-height: 1.8; color: var(--ink-2); background: repeating-linear-gradient(-45deg, rgba(243, 195, 22, .16) 0 10px, transparent 10px 20px); border: 1px dashed var(--ink-3); }
.c-yang-haiyan .c3-endgo .c3-btn { border-width: 1.5px; }
.c-yang-haiyan .c3-credits, .c-yang-haiyan .c3-fine { color: var(--ink-3); }

@media (min-width: 861px) and (max-width: 1300px) {
  .c-yang-haiyan .c3hero, .c-yang-haiyan .c3q, .c-yang-haiyan .c3end { padding-right: 56px; }
}
@media (max-width: 1100px) {
  .yh-tb { grid-template-columns: 1fr 1fr; }
  .yh-tb > div:nth-child(3) { border-left: 0; }
  .yh-tb > div:nth-child(n + 3) { border-top: 1px solid var(--ink); }
}
@media (max-width: 860px) {
  .yh-hero { display: flex; flex-direction: column; }
  .yh-draw { display: contents; }
  .yh-pin { order: 2; }
  .yh-elev__panel { display: none; }
  .yh-sheet { order: 3; margin-top: 22px; }
  .yh-tb { order: 4; margin-top: 24px; }
  .yh-band { order: 5; }
  .yh-plaque { position: static; width: auto; height: auto; align-items: flex-start; text-align: left; margin-bottom: 14px; }
  .yh-plaque h1 { font-size: 68px; letter-spacing: .12em; text-indent: 0; }
  .yh-en { font-size: 14px; }
  .yh-sheet { grid-template-columns: minmax(0, 1fr); }
  .yh-band { grid-template-columns: minmax(0, 1fr); }
  .yh-q__grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "art" "rest"; grid-template-rows: none; }
  .yh-q__art { padding-top: 0; margin: 4px 0 18px; }
  .c-yang-haiyan .c3q__when b { font-size: 30px; }
}
@media (max-width: 560px) {
  .yh-pin .yh-lbl { font-size: 11px; padding: 0 4px; border-width: 1px; }
  .yh-pin .yh-lbl__l, .yh-pin .yh-lbl--note { display: none; }
  .yh-tb { grid-template-columns: 1fr 1fr; }
  .yh-tb > div { border-left: 0 !important; }
  .yh-tb > div:nth-child(even) { border-left: 1px solid var(--ink) !important; }
  .yh-tb > div:nth-child(n + 3) { border-top: 1px solid var(--ink); }
  .yh-tb dd { font-size: 12.5px; }
  .yh-road .yh-lbl { font-size: 12px; padding: 1px 5px 0; }
  .yh-road .yh-lbl--top { padding: 0; }
  .yh-road .yh-lbl--deck { font-size: 11px; padding: 0 3px; }
  .yh-q--unplug .yh-fig--tall { grid-template-columns: minmax(0, 170px) minmax(0, 1fr); gap: 12px; }
  .yh-attr { grid-template-columns: minmax(0, 1fr); }
  .yh-attr > div + div { border-left: 0; border-top: 1px solid var(--ink); }
  .yh-q--reverse .c3-quote blockquote p { --cell: 26px; --fs: 18px; }
  .c-yang-haiyan .c3q__lede { font-size: 16px; }
  .yh-ctl--q .yh-seg { display: flex; flex-direction: column; width: 100%; }
  .yh-ctl--q .yh-seg button + button { margin: -1.5px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  .yh-road.is-bump .yh-side__bridge { animation: none; }
}