/* 乐器探索页 /instruments/ 与 选购与养护 /guides/、技术与工艺 /craft/ 列表（第三轮 U4a 第二版：按效果图 website-global/design-v3/prototype/instruments.css、knowledge.css）。
   渲染在 inc/instruments.php；functions.php 只在这三类页加载，在 v3.css 之后。颜色只用令牌；思源黑体（--vz-font-family-heading）只给 700 字重。
   桌面先写（与效果图同），断点：1099 以下首屏单栏、系列两列；767 以下手机单独排版（横滑、缩略图列表、通栏按钮）。对比栏样式在 compare.css。 */

:where(.vz-inst) :where(p, h1, h2, h3, h4, ul, ol) { margin: 0; } /* 不加优先级：段标题行、横滑轨道自己的外边距照常生效 */
:where(.vz-inst) :where(ul[role="list"], ol[role="list"]) { list-style: none; padding: 0; }
.vz-inst .vz-home-phrase { display: inline-block; max-width: 100%; } /* 段标题按中文逗号分句，每句不在中间断行 */
:where(.vz-inst) :where(.vz-inst-hero, .vz-v3-sec, .vz-inst-trust-sec, .vz-inst-khero, .vz-inst-klist) a { color: inherit; text-decoration: none; } /* 不加优先级：组件自己的链接颜色照常生效 */
.vz-inst-hero > .vz-container > *, .vz-inst-pick > *, .vz-inst-pick__steps > *, .vz-inst-fam > *, .vz-inst-guides > *, .vz-inst-vids > *, .vz-inst-feat > *, .vz-inst-khero__grid > *, .vz-inst-next__in > *, .vz-inst-next__opts > *, .vz-inst-kfeat > * { min-width: 0; } /* 网格里的横滑条不撑宽父级 */

/* ---- 图位：授权图叠在品牌底色加品类线描上；没有图或加载失败时露出线描（INSTRUMENTS_LAYOUT 第五节） ---- */
.vz-inst-fig { position: relative; display: block; overflow: hidden; background: var(--vz-color-surface-subtle); }
.vz-inst-ph { position: absolute; inset: 0; display: grid; place-items: center; background: var(--vz-color-surface-subtle); color: var(--vz-color-neutral-400); }
.vz-inst-ph svg { display: block; width: auto; height: 62%; max-width: 80%; }
.vz-inst-ph--wide svg { width: 56%; height: auto; max-height: 56%; }
.vz-inst-ph--dark { background: var(--vz-color-surface-dark-raised); color: var(--vz-color-neutral-700); }
.vz-inst-fig:has(> .vz-inst-fig__media) > .vz-inst-ph { visibility: hidden; }
.vz-inst-fig__media { position: absolute; inset: 0; display: block; }
.vz-inst-fig__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
a:hover > .vz-inst-fig .vz-inst-fig__media img, a.vz-inst-fig:hover .vz-inst-fig__media img, .vz-inst-scard:hover .vz-inst-fig__media img { transform: scale(1.03); }
.vz-inst-icon { flex: none; color: var(--vz-color-brand-red); }

/* ---- 1 首屏：左文右品类大图格（首屏即导航） ---- */
.vz-inst-hero { padding-block: 56px 96px; }
.vz-inst-hero__in { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: stretch; }
.vz-inst-hero__text { display: flex; flex-direction: column; justify-content: center; gap: 28px; padding: 24px 0; }
.vz-inst-hero__title { font-size: 56px; line-height: 1.2; text-wrap: wrap; }
.vz-inst-hero__title:lang(zh) { max-width: 6.6em; } /* 找到属于你的 / 那一把。 */
.vz-inst-hero__lead { color: var(--vz-color-text-muted); }
.vz-inst .vz-inst-quick { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.vz-inst-quick__item { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 16px 20px; border: 1px solid var(--vz-color-border-default); background: var(--vz-color-surface-page); transition: border-color 0.15s; }
.vz-inst-quick__item:hover { border-color: var(--vz-color-text-primary); }
.vz-inst-quick__item::after { content: "→"; color: var(--vz-color-brand-red); transition: transform 0.15s; }
.vz-inst-quick__item:hover::after { transform: translateX(4px); }
.vz-inst-quick__title { display: block; font-size: 16px; font-weight: 600; line-height: 1.5; }
.vz-inst-quick__desc { display: block; font-size: 13px; line-height: 1.5; color: var(--vz-color-text-muted); }
.vz-inst-stats { display: flex; flex-wrap: wrap; gap: 0 32px; padding-top: 8px; border-top: 1px solid var(--vz-color-border-default); }
.vz-inst-stats li { padding-top: 16px; }
.vz-inst-stats b { display: block; font-family: var(--vz-font-family-heading); font-size: 28px; font-weight: 700; line-height: 1.2; }
.vz-inst-stats span { font-size: 13px; color: var(--vz-color-text-muted); }

.vz-inst-tiles { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); grid-template-rows: 300px; grid-auto-rows: 200px; gap: 12px; }
.vz-inst-tile--s2 { grid-column: span 2; }
.vz-inst-tile--s3 { grid-column: span 3; }
.vz-inst-tile--s4 { grid-column: span 4; }
.vz-inst-tile--s6 { grid-column: span 6; }
.vz-inst-tile__link { position: relative; display: block; height: 100%; overflow: hidden; background: var(--vz-color-surface-dark); color: var(--vz-color-text-inverse); }
.vz-inst-tile__fig { position: absolute; inset: 0; }
.vz-inst-tile__link::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(17, 17, 19, 0) 40%, rgba(17, 17, 19, 0.72) 100%); }
.vz-inst-tile__link:hover .vz-inst-fig__media img { transform: scale(1.04); }
.vz-inst-tile__txt { position: absolute; left: 20px; right: 20px; bottom: 18px; z-index: 2; display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.vz-inst-tile__name { font-family: var(--vz-font-family-heading); font-size: 20px; font-weight: 700; line-height: 1.3; }
.vz-inst-tile--big .vz-inst-tile__name { font-size: 28px; }
.vz-inst-tile__count { font-size: 13px; white-space: nowrap; }

/* ---- 2 帮我选：左两步、右实时结果 ---- */
.vz-inst-pick { display: grid; grid-template-columns: 5fr 7fr; background: var(--vz-color-surface-page); border: 1px solid var(--vz-color-border-default); }
.vz-inst-pick__steps { display: grid; gap: 36px; align-content: start; padding: 40px; border-right: 1px solid var(--vz-color-border-default); }
.vz-inst-step__h { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: 15px; font-weight: 600; }
.vz-inst-step__h i { display: inline-grid; place-items: center; width: 28px; height: 28px; font-style: normal; font-size: 13px; color: var(--vz-color-brand-red); border: 1px solid var(--vz-color-brand-red); }
.vz-inst-instr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.vz-inst-instr button { display: grid; gap: 6px; justify-items: center; align-content: start; min-height: 44px; padding: 10px 6px 8px; border: 1px solid var(--vz-color-border-default); background: var(--vz-color-surface-page); font: inherit; font-size: 13px; line-height: 1.4; color: var(--vz-v3-ink-2); cursor: pointer; }
.vz-inst-instr__fig { width: 44px; height: 44px; }
.vz-inst-instr__fig .vz-inst-ph svg { height: 78%; }
.vz-inst-instr button[aria-pressed="true"] { border-color: var(--vz-color-text-primary); color: var(--vz-color-text-primary); box-shadow: inset 0 0 0 1px var(--vz-color-text-primary); font-weight: 600; }
.vz-inst-use { display: grid; gap: 10px; }
.vz-inst-use button { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: center; padding: 16px; border: 1px solid var(--vz-color-border-default); background: var(--vz-color-surface-page); font: inherit; text-align: left; color: var(--vz-color-text-primary); cursor: pointer; }
.vz-inst-use .vz-inst-icon { color: var(--vz-v3-ink-2); }
.vz-inst-use__title { display: block; font-size: 16px; font-weight: 600; line-height: 1.5; }
.vz-inst-use__desc { display: block; font-size: 13px; line-height: 1.6; color: var(--vz-color-text-muted); }
.vz-inst-use button[aria-pressed="true"] { border-color: var(--vz-color-brand-red); box-shadow: inset 0 0 0 1px var(--vz-color-brand-red); }
.vz-inst-use button[aria-pressed="true"] .vz-inst-icon { color: var(--vz-color-brand-red); }
.vz-inst-pick__res { display: grid; align-content: start; gap: 20px; padding: 40px; background: var(--vz-color-surface-raised); }
.vz-inst-pick__status { display: flex; justify-content: space-between; align-items: baseline; gap: 8px 16px; flex-wrap: wrap; }
.vz-inst-pick__status p { font-size: 15px; line-height: 1.6; }
.vz-inst-pick__status .vz-v3-link { min-height: 36px; }
.vz-inst-rcards { display: grid; gap: 12px; }
.vz-inst-rcard { position: relative; display: grid; grid-template-columns: 148px minmax(0, 1fr); gap: 20px; background: var(--vz-color-surface-page); border: 1px solid var(--vz-color-border-default); }
.vz-inst-rcard[hidden] { display: none; }
.vz-inst-rcard__fig { aspect-ratio: 1; }
.vz-inst-rcard__body { display: grid; gap: 8px; align-content: center; padding: 16px 20px 16px 0; }
.vz-inst-rcard__line, .vz-inst-scard__line { color: var(--vz-color-text-muted); }

/* 三项参数、适合标签、看系列 / 对比 */
.vz-inst-specs { display: flex; flex-wrap: wrap; gap: 6px; }
.vz-inst-specs li { padding: 2px 8px; background: var(--vz-color-surface-subtle); font-size: 12px; line-height: 1.5; color: var(--vz-v3-ink-2); }
.vz-inst-specs__k { color: var(--vz-color-text-muted); }
.vz-inst-fit { display: flex; flex-wrap: wrap; gap: 6px; }
.vz-inst-fit li { padding: 1px 8px; border: 1px solid var(--vz-color-brand-red); font-size: 12px; line-height: 1.5; color: var(--vz-color-brand-red); }
.vz-inst-acts { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; margin-top: 4px; }
.vz-inst-acts .vz-v3-link { min-height: 40px; font-size: 14px; }

/* ---- 3 按品类看：切换条 + 品类介绍 + 系列卡 ---- */
.vz-inst-tabs { display: flex; margin-bottom: 48px; border-bottom: 1px solid var(--vz-color-border-default); overflow-x: auto; scrollbar-width: none; }
.vz-inst-tabs::-webkit-scrollbar { display: none; }
.vz-inst-tabs button { flex: none; min-height: 44px; padding: 16px 22px; margin-bottom: -1px; border: 0; border-bottom: 2px solid transparent; background: none; font: inherit; font-size: 15px; color: var(--vz-v3-ink-2); cursor: pointer; }
.vz-inst-tabs__n { margin-left: 6px; font-family: var(--vz-font-family-latin); font-size: 12px; color: var(--vz-color-text-muted); }
.vz-inst-tabs button[aria-selected="true"] { color: var(--vz-color-text-primary); font-weight: 600; border-bottom-color: var(--vz-color-brand-red); }
.vz-inst-fam { display: grid; grid-template-columns: 4fr 8fr; gap: 56px; }
.vz-inst-fam[hidden] { display: none; }
.vz-inst-fam:focus-visible { outline-offset: 8px; }
.vz-inst-fam__intro { position: sticky; top: calc(var(--vz-v3-hdr) + 24px); align-self: start; display: grid; gap: 20px; align-content: start; }
.vz-inst-fam__fig { aspect-ratio: 1; }
.vz-inst-fam__nums { display: flex; gap: 28px; font-size: 13px; color: var(--vz-color-text-muted); }
.vz-inst-fam__nums b { display: block; font-family: var(--vz-font-family-heading); font-size: 24px; font-weight: 700; line-height: 1.3; color: var(--vz-color-text-primary); }
.vz-inst-fam__desc { color: var(--vz-color-text-muted); }
.vz-inst-fam__acts { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.vz-inst-series { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 24px; align-content: start; }
.vz-inst-scard { position: relative; display: grid; gap: 10px; align-content: start; }
.vz-inst-scard__fig { aspect-ratio: 4 / 3; margin-bottom: 6px; }
.vz-inst-empty { grid-column: 1 / -1; padding: 48px; border: 1px solid var(--vz-color-border-default); text-align: center; color: var(--vz-color-text-muted); }

/* ---- 4 主推系列：一大两小 ---- */
.vz-inst-feat { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; }
.vz-inst-feat--single { grid-template-columns: minmax(0, 1fr); }
.vz-inst-feat__side { display: grid; gap: 24px; }
.vz-inst-fcard { position: relative; display: flex; align-items: flex-end; min-height: 260px; overflow: hidden; background: var(--vz-color-surface-dark); color: var(--vz-color-text-inverse); }
.vz-inst-fcard--big { min-height: 560px; }
.vz-inst-fcard__fig { position: absolute; inset: 0; }
.vz-inst-fcard::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(17, 17, 19, 0) 30%, rgba(17, 17, 19, 0.8) 100%); }
.vz-inst-fcard__txt { position: relative; z-index: 2; display: grid; gap: 10px; max-width: 560px; padding: 28px 32px; }
.vz-inst-fcard .vz-eyebrow { color: var(--vz-color-text-inverse); }
.vz-inst-fcard__line { font-size: 15px; line-height: 1.7; }
.vz-inst-fcard__more { justify-self: start; }

/* ---- 5 技术与工艺：深色段六张卡 ---- */
.vz-inst-crafts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; }
.vz-inst-craft { position: relative; }
.vz-inst-craft__link { display: grid; gap: 12px; align-content: start; height: 100%; }
.vz-inst-craft__fig { aspect-ratio: 3 / 2; margin-bottom: 6px; }
.vz-inst-craft__no { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 0.12em; color: var(--vz-color-neutral-300); }
.vz-inst-craft__no::before { content: ""; flex: none; width: 6px; height: 6px; background: var(--vz-color-brand-red); } /* 红色只做图形点缀：红字在深底上不到 4.5:1 */
.vz-inst-craft__title { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.vz-inst-craft__line { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--vz-color-neutral-400); }
.vz-inst-craft__more { justify-self: start; min-height: 36px; font-size: 14px; }

/* ---- 6 试听：视频墙一大三小 ---- */
.vz-inst-vids { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; }
.vz-inst-vid { position: relative; display: grid; gap: 12px; align-content: start; }
.vz-inst-vid__fig { background: var(--vz-color-surface-dark); }
.vz-inst-vid--big .vz-inst-vid__fig { aspect-ratio: 16 / 10; }
.vz-inst-vids__side .vz-inst-vid__fig { aspect-ratio: 16 / 9; }
.vz-inst-play { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--vz-color-surface-page); transform: translate(-50%, -50%); }
.vz-inst-play::after { content: ""; margin-left: 4px; border-left: 16px solid var(--vz-color-text-primary); border-top: 10px solid transparent; border-bottom: 10px solid transparent; }
.vz-inst-vids__side .vz-inst-play { width: 48px; height: 48px; }
.vz-inst-vid__title { overflow-wrap: anywhere; }
.vz-inst-vid__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; font-size: 13px; color: var(--vz-color-text-muted); }
.vz-inst-vid__meta a { display: inline-flex; align-items: center; min-height: 32px; color: var(--vz-color-brand-red); }
.vz-inst-vids__side > ul { display: grid; height: 100%; align-content: stretch; }
.vz-inst-vids__side .vz-inst-vid { grid-template-columns: 220px minmax(0, 1fr); gap: 0 20px; align-items: center; align-content: center; padding: 0 0 16px; border-bottom: 1px solid var(--vz-color-border-default); }
.vz-inst-vids__side .vz-inst-vid + .vz-inst-vid { padding-top: 16px; }
.vz-inst-vids__side .vz-inst-vid__fig { grid-row: span 2; }
.vz-inst-vids__side .vz-inst-vid__title { align-self: end; }
.vz-inst-vids__side .vz-inst-vid__meta { align-self: start; }

/* ---- 7 选购与养护：话题条 + 大图主文 + 列表 ---- */
.vz-inst-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.vz-inst-chip { display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px; border: 1px solid var(--vz-color-border-default); background: var(--vz-color-surface-page); font-size: 14px; }
.vz-inst-chip:hover { border-color: var(--vz-color-text-primary); }
.vz-inst-chip.is-on { background: var(--vz-color-surface-dark); border-color: var(--vz-color-surface-dark); color: var(--vz-color-text-inverse); }
.vz-inst-guides { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; }
.vz-inst-guides--single { grid-template-columns: minmax(0, 1fr); }
.vz-inst-glead__fig { aspect-ratio: 16 / 10; margin-bottom: 20px; }
.vz-inst-guides-sec .vz-inst-ph--light { background: var(--vz-color-surface-page); } /* 浅灰段上的缺图图位用白底，看得出图位 */
.vz-inst-gtopic { margin-bottom: 6px; color: var(--vz-color-text-muted); }
.vz-inst-glead__sum { margin-top: 10px; color: var(--vz-color-text-muted); }
.vz-inst-glist { border-top: 1px solid var(--vz-color-border-default); }
.vz-inst-glist__item { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 20px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--vz-color-border-default); }
.vz-inst-glist__fig { aspect-ratio: 4 / 3; }
.vz-inst-glist__text { display: grid; gap: 4px; }
.vz-inst-glist__text .vz-inst-gtopic { margin: 0; }
.vz-inst-glist__item:hover .vz-inst-glist__title, .vz-inst-glead__title a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---- 8 买得放心 ---- */
.vz-inst-trust-sec { padding-block: 128px 64px; }
.vz-inst-trust { display: grid; grid-template-columns: repeat(var(--vz-trust-n, 4), minmax(0, 1fr)); border: 1px solid var(--vz-color-border-default); }
.vz-inst-trust li + li { border-left: 1px solid var(--vz-color-border-default); }
.vz-inst-trust__item { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; align-items: start; height: 100%; padding: 28px; }
.vz-inst-trust__item:hover .vz-inst-trust__title { color: var(--vz-color-brand-red); }
.vz-inst-trust__title { display: block; margin-bottom: 4px; font-size: 16px; font-weight: 600; line-height: 1.5; }
.vz-inst-trust__desc, .vz-inst-trust__note { display: block; font-size: 13px; line-height: 1.6; color: var(--vz-color-text-muted); }

/* ---- 9 收尾：深色段 ---- */
.vz-inst-close { padding-block: 88px; background: var(--vz-color-surface-dark); color: var(--vz-color-text-inverse); }
.vz-inst-close a { text-decoration: none; }
.vz-inst-close__in { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.vz-inst-close__text { display: grid; gap: 16px; }
.vz-inst-close__acts { flex: none; display: flex; align-items: center; gap: 28px; }
.vz-inst-close .vz-v3-link { color: var(--vz-color-text-inverse); }
.vz-inst-close :focus-visible { outline-color: var(--vz-color-focus-on-dark); }

/* =================== 列表页 /craft/、/guides/ =================== */
.vz-inst-ktopic { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--vz-v3-ink-2); }
.vz-inst-ktopic::before { content: ""; flex: none; width: 6px; height: 6px; background: var(--vz-color-brand-red); }
.vz-inst-klist time, .vz-inst-kfeat__meta time { font-family: var(--vz-font-family-latin); font-size: 13px; font-variant-numeric: tabular-nums; letter-spacing: 0.02em; color: var(--vz-color-text-muted); }
.vz-inst-dot { color: var(--vz-color-neutral-400); }

/* 首屏：面包屑、栏目名、介绍、篇数；右栏直达表 */
.vz-inst-khero { padding-block: 32px 64px; }
.vz-inst-crumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--vz-color-text-muted); }
.vz-inst-crumb li + li::before { content: "/"; margin-right: 8px; color: var(--vz-color-neutral-400); }
.vz-inst-crumb a { display: inline-flex; align-items: center; min-height: 32px; }
.vz-inst-crumb a:hover { color: var(--vz-color-text-primary); }
.vz-inst-crumb [aria-current] { color: var(--vz-color-text-primary); }
.vz-inst-khero__grid { display: grid; grid-template-columns: 7fr 5fr; gap: 96px; align-items: stretch; margin-top: 56px; }
.vz-inst-khero__text { display: flex; flex-direction: column; justify-content: space-between; gap: 40px; padding-top: 14px; }
.vz-inst-khero__title { display: grid; gap: 28px; }
.vz-inst-khero__lead { display: grid; gap: 16px; }
.vz-inst-khero__lead .vz-t-body-lg { max-width: 30em; color: var(--vz-color-text-muted); }
.vz-inst-kstat { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 14px; color: var(--vz-v3-ink-2); }
.vz-inst-kstat b { font-family: var(--vz-font-family-latin); font-weight: 600; font-variant-numeric: tabular-nums; }
.vz-inst-kindex { border-top: 1px solid var(--vz-color-text-primary); }
.vz-inst-kindex__head { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0 12px; font-size: 13px; font-weight: 600; letter-spacing: 0.1em; }
.vz-inst-kindex__head span + span { font-weight: 400; letter-spacing: 0; color: var(--vz-color-text-muted); }
.vz-inst-kindex__list a { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto 18px; gap: 12px; align-items: baseline; padding: 11px 0; border-top: 1px solid var(--vz-color-border-default); font-size: 15px; line-height: 1.5; }
.vz-inst-kindex__list b { font-family: var(--vz-font-family-latin); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--vz-color-text-muted); }
.vz-inst-kindex__t { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.vz-inst-kindex__list em { font-style: normal; font-size: 12px; color: var(--vz-color-text-muted); white-space: nowrap; }
.vz-inst-kindex__list a::after { content: "→"; justify-self: end; color: var(--vz-color-brand-red); }
.vz-inst-kindex__list a:hover .vz-inst-kindex__t { text-decoration: underline; text-underline-offset: 4px; }

/* 话题切换、说明行 */
.vz-inst-klist { padding-block: 0 128px; scroll-margin-top: var(--vz-v3-hdr); }
.vz-inst-ktopics { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; border-bottom: 1px solid var(--vz-color-border-default); }
.vz-inst-ktabs { display: flex; gap: 0 44px; overflow-x: auto; scrollbar-width: none; }
.vz-inst-ktabs::-webkit-scrollbar { display: none; }
.vz-inst-ktab { position: relative; flex: none; display: inline-flex; align-items: baseline; gap: 7px; padding: 12px 0 18px; font-size: 16px; font-weight: 500; letter-spacing: 0.04em; color: var(--vz-color-text-muted); white-space: nowrap; }
.vz-inst-ktab small { font-family: var(--vz-font-family-latin); font-size: 12px; font-weight: 500; font-variant-numeric: tabular-nums; color: var(--vz-color-text-muted); }
.vz-inst-ktab:hover { color: var(--vz-color-text-primary); }
.vz-inst-ktab.is-on { color: var(--vz-color-text-primary); font-weight: 600; }
.vz-inst-ktab.is-on::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--vz-color-brand-red); }
.vz-inst-ktopics__meta { flex: none; padding-bottom: 18px; font-size: 14px; color: var(--vz-color-text-muted); white-space: nowrap; }
.vz-inst-ktopics__meta b { font-family: var(--vz-font-family-latin); font-weight: 600; color: var(--vz-color-text-primary); }
.vz-inst-knote { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; min-height: 26px; margin-top: 20px; font-size: 15px; color: var(--vz-v3-ink-2); }
.vz-inst-kempty { display: grid; gap: 12px; justify-items: start; margin-top: 40px; padding: 40px 0; border-top: 1px solid var(--vz-color-border-default); color: var(--vz-color-text-muted); }

/* 置顶大卡 */
.vz-inst-kfeat { display: grid; grid-template-columns: 7fr 5fr; margin-top: 40px; background: var(--vz-color-surface-subtle); }
.vz-inst-kfeat__fig { display: block; width: 100%; min-width: 0; aspect-ratio: 3 / 2; height: 100%; }
/* 置顶大卡：栏宽决定图宽（正文高时图不按高度反推宽度、撑出页面；1440 以下按栏宽铺满） */
@media (max-width: 1439px) { .vz-inst-kfeat__fig { aspect-ratio: auto; min-height: 280px; } .vz-inst-kfeat__fig img { width: 100%; height: 100%; object-fit: cover; } }
.vz-inst-kfeat__body { display: flex; flex-direction: column; justify-content: center; gap: 22px; padding: 56px; }
.vz-inst-kflags { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.vz-inst-tag { display: inline-block; padding: 3px 10px; border: 1px solid var(--vz-color-brand-red); font-size: 12px; letter-spacing: 0.06em; line-height: 1.5; color: var(--vz-color-brand-red); }
.vz-inst .vz-inst-kfeat__title { font-size: 30px; line-height: 1.38; overflow-wrap: anywhere; }
.vz-inst-kfeat__main, .vz-inst-kfeat__sub { display: block; }
.vz-inst-kfeat__sub { margin-top: 10px; font-family: var(--vz-font-family-zh); font-size: 19px; font-weight: 600; line-height: 1.5; color: var(--vz-v3-ink-2); }
.vz-inst-kfeat__title a:hover .vz-inst-kfeat__main { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.vz-inst-kfeat__sum { font-size: 15px; line-height: 1.8; color: var(--vz-color-text-muted); }
.vz-inst-kfeat__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font-size: 13px; color: var(--vz-color-text-muted); }

/* 三列卡 */
.vz-inst-kgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 64px 32px; margin-top: 64px; }
.vz-inst-kcard__link { display: block; }
.vz-inst-kcard__fig { aspect-ratio: 3 / 2; margin-bottom: 20px; }
.vz-inst-kcard__text { display: grid; gap: 10px; align-content: start; }
.vz-inst-kcard__title { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; font-family: var(--vz-font-family-zh); font-size: 19px; font-weight: 600; line-height: 1.55; }
.vz-inst-kcard__link:hover .vz-inst-kcard__title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }

/* 分页 */
.vz-inst-pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 88px; padding-top: 32px; border-top: 1px solid var(--vz-color-border-default); }
.vz-inst-pager__step, .vz-inst-pager__num { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 44px; height: 44px; padding: 0 12px; border: 1px solid var(--vz-color-border-default); background: var(--vz-color-surface-page); font-family: var(--vz-font-family-latin); font-size: 15px; font-weight: 500; color: var(--vz-v3-ink-2); }
.vz-inst-pager__step { padding: 0 20px; font-family: var(--vz-font-family-zh); }
.vz-inst-pager a:hover { border-color: var(--vz-color-text-primary); }
.vz-inst-pager__num.is-on { background: var(--vz-color-surface-dark); border-color: var(--vz-color-surface-dark); color: var(--vz-color-text-inverse); }
.vz-inst-pager__step.is-off { color: var(--vz-color-neutral-400); }
.vz-inst-pager__gap { padding: 0 4px; color: var(--vz-color-text-muted); }
.vz-inst-pager__count { display: none; }

/* 看完了：按品类看乐器 + 帮我选 */
.vz-inst-next__in { display: grid; grid-template-columns: 4fr 8fr; gap: 72px; align-items: center; }
.vz-inst-next__text { display: grid; gap: 28px; }
.vz-inst-next__lead { color: var(--vz-color-text-muted); }
.vz-inst-next__opts { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; }
.vz-inst-opt { display: flex; flex-direction: column; gap: 20px; padding: 32px; background: var(--vz-color-surface-page); }
.vz-inst-opt__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.vz-inst-opt__head .vz-v3-link { min-height: 32px; }
.vz-inst-kfams { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px 12px; }
.vz-inst-kfams a { display: grid; gap: 8px; font-size: 13px; line-height: 1.4; color: var(--vz-v3-ink-2); }
.vz-inst-kfams__fig { aspect-ratio: 1; }
.vz-inst-kfams__arrow { display: grid; place-items: center; aspect-ratio: 1; background: var(--vz-color-surface-subtle); font-size: 22px; color: var(--vz-color-brand-red); }
.vz-inst-kfams a:hover span:last-child { color: var(--vz-color-text-primary); text-decoration: underline; text-underline-offset: 3px; }
.vz-inst-ksteps { border-top: 1px solid var(--vz-color-border-default); }
.vz-inst-ksteps li { display: grid; grid-template-columns: 36px minmax(0, 1fr); padding: 12px 0; border-bottom: 1px solid var(--vz-color-border-default); font-size: 15px; }
.vz-inst-ksteps b { font-family: var(--vz-font-family-latin); font-size: 13px; font-weight: 600; letter-spacing: 0.06em; color: var(--vz-color-brand-red); }
.vz-inst-opt .vz-btn { align-self: flex-start; margin-top: auto; }

/* ---------- 平板与窄桌面 ---------- */
@media (max-width: 1099px) {
	.vz-inst-hero__in { grid-template-columns: minmax(0, 1fr); gap: 32px; }
	.vz-inst-series { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.vz-inst-trust { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.vz-inst-trust li + li { border-left: 0; }
	.vz-inst-trust li:nth-child(even) { border-left: 1px solid var(--vz-color-border-default); }
	.vz-inst-trust li:nth-child(n+3) { border-top: 1px solid var(--vz-color-border-default); }
	.vz-inst-khero__grid { gap: 48px; }
	.vz-inst-kfeat__body { padding: 32px; }
	.vz-inst-next__in { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
	.vz-inst-trust-sec { padding-block: 96px 64px; }
	.vz-inst-klist { padding-bottom: 96px; }
}

/* ---------- 手机（单独排版，不是桌面缩小） ---------- */
@media (max-width: 767px) {
	.vz-inst-hero { padding-block: 24px 48px; }
	/* 首屏：品类图格紧跟标题（先能点品类），三个入口与数字放在图格之后 */
	.vz-inst-hero__in { gap: 16px; }
	.vz-inst-hero__text { display: contents; }
	.vz-inst-hero__text > .vz-eyebrow { order: 1; }
	.vz-inst-hero__title { order: 2; font-size: 34px; }
	.vz-inst-hero__lead { order: 3; font-size: 15px; }
	.vz-inst-tiles { order: 4; margin-top: 8px; }
	.vz-inst .vz-inst-quick { order: 5; margin-top: 16px; }
	.vz-inst-stats { order: 6; gap: 0 20px; }
	.vz-inst-quick__item { grid-template-columns: 36px minmax(0, 1fr) auto; gap: 12px; padding: 12px 14px; }
	.vz-inst-quick__title { font-size: 15px; }
	.vz-inst-stats b { font-size: 22px; }
	.vz-inst-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: none; grid-auto-rows: 140px; gap: 8px; }
	.vz-inst-tile { grid-column: span 1; }
	.vz-inst-tile--mfull { grid-column: 1 / -1; }
	.vz-inst-tile--big { grid-row: span 2; }
	.vz-inst-tile__txt { left: 12px; right: 12px; bottom: 10px; flex-direction: column; align-items: flex-start; gap: 0; }
	.vz-inst-tile__name { font-size: 16px; }
	.vz-inst-tile--big .vz-inst-tile__name { font-size: 22px; }
	.vz-inst-tile__count { font-size: 12px; }

	.vz-inst-pick { grid-template-columns: minmax(0, 1fr); border: 0; background: none; }
	.vz-inst-pick__steps { gap: 24px; padding: 0; border: 0; }
	.vz-inst-instr { display: flex; gap: 8px; margin: 0 calc(-1 * var(--vz-layout-margin)); padding: 0 var(--vz-layout-margin) 4px; overflow-x: auto; scrollbar-width: none; }
	.vz-inst-instr::-webkit-scrollbar, .vz-inst-rcards::-webkit-scrollbar, .vz-inst-series::-webkit-scrollbar, .vz-inst-crafts::-webkit-scrollbar { display: none; }
	.vz-inst-instr button { flex: 0 0 76px; }
	.vz-inst-use button { padding: 12px 14px; }
	.vz-inst-pick__res { gap: 14px; padding: 20px 0 0; background: none; }
	.vz-inst-rcards { display: flex; gap: 12px; margin: 0 calc(-1 * var(--vz-layout-margin)); padding: 0 var(--vz-layout-margin) 6px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--vz-layout-margin); scrollbar-width: none; }
	.vz-inst-rcard { flex: 0 0 84%; grid-template-columns: minmax(0, 1fr); gap: 0; scroll-snap-align: start; }
	.vz-inst-rcard__fig { aspect-ratio: 4 / 3; }
	.vz-inst-rcard__body { gap: 4px; padding: 10px 16px 12px; }
	/* 手机点按区 ≥ 44：卡片名、看系列、对比、看全部、面包屑、视频标题 */
	.vz-inst-rcard__name a, .vz-inst-scard__name a, .vz-inst-vid__title a { display: inline-flex; align-items: center; min-height: 44px; }
	.vz-inst-scard { gap: 6px; }
	.vz-inst-acts { margin-top: 0; }
	.vz-inst-acts .vz-v3-link, .vz-inst-acts .vz-compare-btn, .vz-inst-pick__status .vz-v3-link, .vz-inst-crumb a, .vz-inst-opt__head .vz-v3-link { min-height: 44px; }

	.vz-inst-tabs { margin: 0 calc(-1 * var(--vz-layout-margin)) 24px; padding: 0 var(--vz-layout-margin); }
	.vz-inst-tabs button { padding: 12px 14px; font-size: 14px; }
	.vz-inst-fam { grid-template-columns: minmax(0, 1fr); gap: 20px; }
	.vz-inst-fam__intro { position: static; grid-template-columns: 96px minmax(0, 1fr); gap: 12px 16px; align-items: center; }
	.vz-inst-fam__fig { grid-row: span 2; }
	.vz-inst-fam__desc, .vz-inst-fam__acts { grid-column: 1 / -1; }
	.vz-inst-series { display: flex; gap: 14px; margin: 0 calc(-1 * var(--vz-layout-margin)); padding: 0 var(--vz-layout-margin) 6px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--vz-layout-margin); scrollbar-width: none; }
	.vz-inst-scard { flex: 0 0 72%; scroll-snap-align: start; }
	.vz-inst-series--empty { display: block; margin: 0; padding: 0; }
	.vz-inst-empty { padding: 32px 16px; }

	.vz-inst-feat { grid-template-columns: minmax(0, 1fr); gap: 12px; }
	.vz-inst-feat__side { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
	.vz-inst-fcard { min-height: 220px; }
	.vz-inst-fcard--big { min-height: 360px; }
	.vz-inst-fcard__txt { gap: 6px; padding: 16px; }
	.vz-inst-fcard__line { display: none; }
	.vz-inst-fcard--big .vz-inst-fcard__line { display: block; font-size: 14px; }

	.vz-inst-crafts { display: flex; gap: 14px; margin: 0 calc(-1 * var(--vz-layout-margin)); padding: 0 var(--vz-layout-margin) 6px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--vz-layout-margin); scrollbar-width: none; }
	.vz-inst-craft { flex: 0 0 72%; scroll-snap-align: start; }

	.vz-inst-vids { grid-template-columns: minmax(0, 1fr); gap: 16px; }
	.vz-inst-vids__side .vz-inst-vid { grid-template-columns: 132px minmax(0, 1fr); gap: 0 14px; }
	.vz-inst-vids__side .vz-inst-vid__title { font-size: 14px; }

	.vz-inst-chips { flex-wrap: nowrap; gap: 8px; margin: 0 calc(-1 * var(--vz-layout-margin)) 24px; padding: 0 var(--vz-layout-margin); overflow-x: auto; scrollbar-width: none; }
	.vz-inst-chip { flex: none; min-height: 44px; padding: 0 14px; font-size: 13px; }
	.vz-inst-guides { grid-template-columns: minmax(0, 1fr); gap: 8px; }
	.vz-inst-glead__fig { margin: 0 calc(-1 * var(--vz-layout-margin)) 14px; }
	.vz-inst-glist__item { grid-template-columns: 88px minmax(0, 1fr); gap: 14px; padding: 14px 0; }

	.vz-inst-trust-sec { padding-block: 56px 48px; }
	.vz-inst-trust__item { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 16px 14px; }

	.vz-inst-close { padding-block: 56px; }
	.vz-inst-close__in { flex-direction: column; align-items: stretch; gap: 24px; }
	.vz-inst-close__acts { flex-direction: column; align-items: flex-start; gap: 12px; }
	.vz-inst-close .vz-btn { width: 100%; }

	/* 列表页 */
	.vz-inst-khero { padding-block: 14px 28px; }
	.vz-inst-khero__grid { grid-template-columns: minmax(0, 1fr); gap: 28px; margin-top: 20px; }
	.vz-inst-khero__text { gap: 18px; padding-top: 0; }
	.vz-inst-khero__title { gap: 16px; }
	.vz-inst-kstat { font-size: 13px; }
	.vz-inst-kindex { border-top: 0; }
	.vz-inst-kindex__head { padding: 0 0 10px; font-size: 12px; }
	.vz-inst-kindex__list { display: flex; gap: 10px; margin: 0 calc(-1 * var(--vz-layout-margin)); padding: 0 var(--vz-layout-margin) 4px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--vz-layout-margin); scrollbar-width: none; }
	.vz-inst-kindex__list::-webkit-scrollbar { display: none; }
	.vz-inst-kindex__list li { flex: 0 0 44%; scroll-snap-align: start; }
	.vz-inst-kindex__list a { height: 100%; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: auto 1fr auto; gap: 6px; padding: 12px; border: 1px solid var(--vz-color-border-default); font-size: 14px; line-height: 1.45; }
	.vz-inst-kindex__list b { grid-column: 1; }
	.vz-inst-kindex__t { grid-column: 1 / -1; grid-row: 2; }
	.vz-inst-kindex__list em { grid-column: 1; grid-row: 3; }
	.vz-inst-kindex__list a::after { grid-column: 2; grid-row: 3; }

	.vz-inst-klist { padding-bottom: 56px; }
	.vz-inst-ktopics { display: block; border-bottom: 0; }
	.vz-inst-ktabs { gap: 8px; margin: 0 calc(-1 * var(--vz-layout-margin)); padding: 0 var(--vz-layout-margin); }
	.vz-inst-ktab { align-items: center; min-height: 44px; padding: 0 14px; border: 1px solid var(--vz-color-border-default); background: var(--vz-color-surface-page); font-size: 13px; color: var(--vz-v3-ink-2); }
	.vz-inst-ktab small { font-size: 11px; }
	.vz-inst-ktab.is-on { background: var(--vz-color-surface-dark); border-color: var(--vz-color-surface-dark); color: var(--vz-color-text-inverse); }
	.vz-inst-ktab.is-on small { color: var(--vz-color-neutral-400); }
	.vz-inst-ktab.is-on::after { display: none; }
	.vz-inst-ktopics__meta { display: none; }
	.vz-inst-knote { margin-top: 14px; font-size: 13px; line-height: 1.6; }

	.vz-inst-kfeat { grid-template-columns: minmax(0, 1fr); margin-top: 18px; background: none; }
	.vz-inst-kfeat__fig { height: auto; aspect-ratio: 4 / 3; margin: 0 calc(-1 * var(--vz-layout-margin)); }
	.vz-inst-kfeat__body { gap: 12px; padding: 18px 0 0; }
	.vz-inst .vz-inst-kfeat__title { font-size: 21px; line-height: 1.45; }
	.vz-inst-kfeat__sub { margin-top: 6px; font-size: 15px; }
	.vz-inst-kfeat__sum { font-size: 14px; }
	.vz-inst-kfeat__acts .vz-btn { width: 100%; }

	.vz-inst-kgrid { grid-template-columns: minmax(0, 1fr); gap: 0; margin-top: 32px; border-top: 1px solid var(--vz-color-border-default); }
	.vz-inst-kcard__link { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 14px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--vz-color-border-default); }
	.vz-inst-kcard__fig { aspect-ratio: 1; margin: 0; }
	.vz-inst-kcard__text { gap: 4px; }
	.vz-inst-kcard .vz-inst-ktopic { font-size: 12px; }
	.vz-inst-kcard__title { font-size: 15px; line-height: 1.5; }
	.vz-inst-kcard time { font-size: 12px; }
	.vz-inst-kempty { padding: 24px 0; }

	.vz-inst-pager { justify-content: space-between; gap: 8px; margin-top: 28px; padding-top: 0; border-top: 0; }
	.vz-inst-pager__num, .vz-inst-pager__gap { display: none; }
	.vz-inst-pager__count { display: inline; font-family: var(--vz-font-family-latin); font-size: 14px; color: var(--vz-color-text-muted); }
	.vz-inst-pager__step { flex: 1; font-size: 14px; }

	.vz-inst-next__in { gap: 24px; }
	.vz-inst-next__text { gap: 16px; }
	.vz-inst-next__opts { grid-template-columns: minmax(0, 1fr); gap: 12px; }
	.vz-inst-opt { gap: 16px; padding: 20px; }
	.vz-inst-kfams { display: flex; gap: 12px; margin: 0 -20px; padding: 0 20px 2px; overflow-x: auto; scrollbar-width: none; }
	.vz-inst-kfams::-webkit-scrollbar { display: none; }
	.vz-inst-kfams li { flex: 0 0 64px; }
	.vz-inst-kfams a { text-align: center; font-size: 12px; }
	.vz-inst-kfams__fig, .vz-inst-kfams__arrow { border-radius: 14px; }
	.vz-inst-opt .vz-btn { width: 100%; }
}