/* =========================================================
   MO STUDIO — 陈默个人作品集
   Direction: Brutalist/raw
   bone #EFEBE2 · ink #16130F · acid lime #D6F84C
   rust #A8432A · slate #5A5F66
   硬边框 / 无圆角 / 硬阴影位移 / 可见网格
   ========================================================= */

@font-face {
  font-family: "Anton";
  src: url("../fonts/anton-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JBM";
  src: url("../fonts/jbmono-latin-400.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bone: #efebe2;
  --bone-2: #e4dfd3;
  --ink: #16130f;
  --lime: #d6f84c;
  --rust: #a8432a;
  --slate: #5a5f66;
  --line: #16130f;

  --f-display: "Anton", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --f-cn: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Heiti SC",
    sans-serif;
  --f-mono: "JBM", "SFMono-Regular", "Menlo", monospace;

  --bw: 2px;
  --pad: clamp(16px, 4vw, 56px);
  --max: 1500px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--f-cn);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

body::after {
  /* 纸张颗粒 */
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--lime);
  color: var(--ink);
}

h1,
h2,
h3,
h4,
p,
ul,
figure,
blockquote {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

/* ---------------- 基础容器 ---------------- */

.shell {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.bordered {
  border-bottom: var(--bw) solid var(--line);
}

.mono {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.display {
  font-family: var(--f-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 0.86;
}

/* 标签条 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: var(--bw) solid var(--line);
  padding: 5px 10px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--bone);
}

.tag--lime {
  background: var(--lime);
}

.tag::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--ink);
  border-radius: 50%;
}

/* ---------------- 顶部导航 ---------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 300;
  background: var(--bone);
  border-bottom: var(--bw) solid var(--line);
}

.topbar__inner {
  display: flex;
  align-items: stretch;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 18px;
  border-right: var(--bw) solid var(--line);
  flex-shrink: 0;
}

.logo__mark {
  width: 34px;
  height: 34px;
  background: var(--ink);
  color: var(--lime);
  display: grid;
  place-items: center;
  font-family: var(--f-cn);
  font-weight: 900;
  font-size: 17px;
}

.logo__text {
  display: grid;
  line-height: 1.1;
}

.logo__text b {
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.logo__text span {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.nav {
  display: flex;
  margin-left: auto;
  align-items: stretch;
}

.nav a {
  display: flex;
  align-items: center;
  padding: 0 clamp(12px, 1.6vw, 24px);
  border-left: var(--bw) solid var(--line);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}

.nav a:hover {
  background: var(--ink);
  color: var(--lime);
}

.nav a[aria-current="page"] {
  background: var(--lime);
  color: var(--ink);
}

.nav a.nav__cta {
  background: var(--ink);
  color: var(--lime);
}

.nav a.nav__cta:hover {
  background: var(--rust);
  color: var(--bone);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 64px;
  border: 0;
  border-left: var(--bw) solid var(--line);
  background: var(--lime);
  cursor: pointer;
  padding: 0;
}

.nav-toggle i {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px auto;
}

/* ---------------- 首屏 ---------------- */

.hero {
  position: relative;
  border-bottom: var(--bw) solid var(--line);
  overflow: hidden;
}

.hero__grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(22, 19, 15, 0.13) 0 1px,
    transparent 1px 12.5%
  );
}

.hero__inner {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(24px, 4vw, 44px);
}

.hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: clamp(20px, 3vw, 38px);
}

.hero h1 {
  font-family: var(--f-display);
  font-size: clamp(3rem, 12.4vw, 12rem);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  position: relative;
  z-index: 2;
  display: grid;
}

/* 每行独立行盒：避免中文字身与拉丁字身相撞 */
.hero h1 .ln {
  display: block;
}

.hero h1 .ln--cn {
  line-height: 1.12;
}

.hero h1 .ln--latin {
  line-height: 1;
  margin-left: 6vw;
}

.hero h1 .ln--out {
  line-height: 1;
}

.hero h1 .cn {
  font-family: var(--f-cn);
  font-weight: 900;
  letter-spacing: -0.05em;
}

/* 高亮块用 inline-block，让底色完整包住字身（inline 的底色只有行盒高度） */
.hero h1 .block {
  display: inline-block;
  background: var(--lime);
  line-height: 0.8;
  padding: 0.05em 0.07em 0.09em;
}

.hero h1 .outline {
  -webkit-text-stroke: 2px var(--ink);
  color: transparent;
}

.hero__foot {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: end;
  margin-top: clamp(24px, 4vw, 44px);
  position: relative;
  z-index: 2;
}

.hero__lede {
  font-size: clamp(15px, 1.15vw, 18px);
  max-width: 44ch;
  border-left: 6px solid var(--ink);
  padding-left: 18px;
}

.hero__lede strong {
  background: var(--lime);
  padding: 0 3px;
  font-weight: 700;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: var(--bw) solid var(--line);
  background: var(--bone);
}

.hero__stats div {
  padding: 14px 12px;
  border-right: var(--bw) solid var(--line);
}

.hero__stats div:last-child {
  border-right: 0;
}

.hero__stats b {
  display: block;
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  line-height: 1;
}

.hero__stats span {
  display: block;
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--slate);
  text-transform: uppercase;
}

/* 旋转贴纸 */
.hero__side {
  position: absolute;
  right: 4px;
  top: 56%;
  writing-mode: vertical-rl;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--slate);
  z-index: 2;
}

.sticker {
  position: absolute;
  right: clamp(-10px, 2vw, 40px);
  top: clamp(10px, 4vw, 60px);
  width: clamp(96px, 12vw, 150px);
  height: clamp(96px, 12vw, 150px);
  border: var(--bw) solid var(--line);
  border-radius: 50%;
  background: var(--rust);
  color: var(--bone);
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  transform: rotate(-12deg);
  z-index: 3;
  animation: wobble 7s ease-in-out infinite;
}

@keyframes wobble {
  0%,
  100% {
    transform: rotate(-12deg);
  }
  50% {
    transform: rotate(-4deg);
  }
}

/* 跑马灯 */
.marquee {
  border-bottom: var(--bw) solid var(--line);
  background: var(--lime);
  overflow: hidden;
  padding: 9px 0;
}

.marquee__track {
  display: flex;
  gap: 28px;
  width: max-content;
  animation: slide 30s linear infinite;
}

.marquee span {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  font-weight: 700;
}

@keyframes slide {
  to {
    transform: translateX(-50%);
  }
}

/* ---------------- 区块标题 ---------------- */

.section {
  border-bottom: var(--bw) solid var(--line);
  padding: clamp(36px, 5vw, 72px) 0;
}

.section--tight {
  padding: clamp(24px, 3vw, 44px) 0;
}

.section--ink {
  background: var(--ink);
  color: var(--bone);
}

.sec-head {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: clamp(22px, 3vw, 40px);
}

.sec-head h2 {
  font-family: var(--f-display);
  font-size: clamp(1.9rem, 4.4vw, 3.6rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.sec-head h2 .cn {
  font-family: var(--f-cn);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.sec-head p {
  font-size: 13.5px;
  color: var(--slate);
  max-width: 34ch;
}

.section--ink .sec-head p {
  color: #a5a099;
}

/* ---------------- 作品列表 ---------------- */

.works {
  border-top: var(--bw) solid var(--line);
}

.work-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 190px 120px 46px;
  gap: 16px;
  align-items: center;
  border-bottom: var(--bw) solid var(--line);
  padding: 18px 8px;
  position: relative;
  transition: background 0.18s, padding-left 0.18s;
  cursor: pointer;
}

.work-row:hover,
.work-row:focus-visible {
  background: var(--lime);
  padding-left: 18px;
  outline: none;
}

.work-row__no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  white-space: nowrap;
}

.work-row:hover .work-row__no {
  color: var(--ink);
}

.work-row__title {
  font-family: var(--f-display);
  font-size: clamp(1.35rem, 2.9vw, 2.4rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}

.work-row__title .cn {
  font-family: var(--f-cn);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.work-row__meta {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

.work-row:hover .work-row__meta {
  color: var(--ink);
}

.work-row__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.work-row__tags i {
  font-style: normal;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  padding: 2px 6px;
}

.work-row__arrow {
  justify-self: end;
  font-family: var(--f-mono);
  font-size: 18px;
  transition: transform 0.2s;
}

.work-row:hover .work-row__arrow {
  transform: translate(4px, -4px);
}

/* 桌面悬停预览 */
.work-preview {
  position: fixed;
  width: 340px;
  pointer-events: none;
  border: var(--bw) solid var(--line);
  background: var(--ink);
  z-index: 250;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94) rotate(-2deg);
  transition: opacity 0.18s, transform 0.18s;
  box-shadow: 10px 10px 0 rgba(22, 19, 15, 0.25);
}

.work-preview.is-on {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(-2deg);
}

.work-preview img {
  width: 100%;
  height: auto;
}

/* 作品卡（作品页） */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--bw) solid var(--line);
  border-left: var(--bw) solid var(--line);
}

.work-card {
  border-right: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
  background: var(--bone);
  position: relative;
  display: block;
}

.work-card__cover {
  border-bottom: var(--bw) solid var(--line);
  overflow: hidden;
  background: var(--bone-2);
}

.work-card__cover img {
  width: 100%;
  height: auto;
  transition: transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.work-card:hover .work-card__cover img {
  transform: scale(1.04) rotate(0.6deg);
}

.work-card__body {
  padding: 16px 18px 20px;
  display: grid;
  gap: 8px;
}

.work-card__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.work-card h3 {
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 2.1vw, 1.75rem);
  line-height: 1;
  text-transform: uppercase;
}

.work-card h3 .cn {
  font-family: var(--f-cn);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.work-card p {
  font-size: 13.5px;
  color: #3c3a34;
}

/* ---------------- 服务 ---------------- */

.services {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: var(--bw) solid var(--line);
  border-left: var(--bw) solid var(--line);
}

.service {
  border-right: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
  padding: 20px 18px 24px;
  display: grid;
  gap: 12px;
  align-content: start;
  transition: background 0.18s;
}

.service:hover {
  background: var(--lime);
}

.service__no {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--rust);
  letter-spacing: 0.1em;
}

.service h3 {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.service p {
  font-size: 13.5px;
  color: #3c3a34;
}

.service ul {
  display: grid;
  gap: 4px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------------- 引言 ---------------- */

.quote {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
}

.quote blockquote {
  font-family: var(--f-cn);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.1vw, 2.5rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  max-width: 30ch;
}

.quote blockquote .hl {
  background: var(--lime);
  padding: 0.02em 0.12em;
  color: var(--ink);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.section--ink .quote blockquote .hl {
  background: var(--lime);
}

.quote cite {
  display: block;
  margin-top: 20px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--slate);
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: var(--bw) solid var(--line);
  background: var(--ink);
  color: var(--bone);
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, background 0.15s;
  box-shadow: 5px 5px 0 var(--lime);
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--lime);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--lime);
}

.btn span.arw {
  font-family: var(--f-mono);
  font-size: 15px;
}

.btn--ghost {
  background: var(--bone);
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
}

.btn--ghost:hover {
  background: var(--lime);
  box-shadow: 8px 8px 0 var(--ink);
}

/* ---------------- 关于页 ---------------- */

.page-title {
  border-bottom: var(--bw) solid var(--line);
  padding: clamp(26px, 4vw, 52px) 0 clamp(20px, 3vw, 36px);
}

.page-title h1 {
  font-family: var(--f-display);
  font-size: clamp(2.4rem, 8vw, 7rem);
  line-height: 0.84;
  text-transform: uppercase;
}

.page-title h1 .cn {
  font-family: var(--f-cn);
  font-weight: 900;
  letter-spacing: -0.05em;
}

.page-title__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
}

.prose p {
  font-size: 15px;
  margin-bottom: 16px;
  max-width: 60ch;
}

.prose p strong {
  background: var(--lime);
  padding: 0 3px;
}

.prose h3 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
  margin: 28px 0 12px;
}

.cv-list {
  border-top: var(--bw) solid var(--line);
}

.cv-item {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 14px;
  border-bottom: var(--bw) solid var(--line);
  padding: 14px 0;
}

.cv-item dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
  padding-top: 3px;
}

.cv-item dd {
  margin: 0;
}

.cv-item dd b {
  display: block;
  font-size: 15px;
  font-weight: 700;
}

.cv-item dd span {
  font-size: 13px;
  color: var(--slate);
}

.side-panel {
  border: var(--bw) solid var(--line);
  background: var(--bone);
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
  box-shadow: 8px 8px 0 var(--ink);
}

.side-panel h4 {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
}

.side-panel ul {
  display: grid;
  gap: 7px;
  font-size: 13.5px;
}

.side-panel ul li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px dashed rgba(22, 19, 15, 0.25);
  padding-bottom: 6px;
}

.side-panel ul li em {
  font-style: normal;
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--slate);
}

/* ---------------- 联系 ---------------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
}

.field label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.field input,
.field textarea,
.field select {
  font-family: var(--f-cn);
  font-size: 15px;
  padding: 12px 13px;
  border: var(--bw) solid var(--line);
  background: var(--bone);
  border-radius: 0;
  color: var(--ink);
  width: 100%;
  transition: background 0.15s, box-shadow 0.15s;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  background: #fdfcf7;
  box-shadow: 4px 4px 0 var(--lime);
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-status {
  margin-top: 14px;
  font-size: 14px;
  min-height: 22px;
  font-weight: 600;
}

.form-status[data-state="ok"] {
  color: #2f5d24;
}

.form-status[data-state="err"] {
  color: var(--rust);
}

.contact-info {
  display: grid;
  gap: 16px;
}

.info-card {
  border: var(--bw) solid var(--line);
  padding: 16px 18px;
  background: var(--bone);
}

.info-card h4 {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 8px;
}

.info-card p {
  font-size: 15px;
  font-weight: 600;
}

.info-card p + p {
  font-weight: 400;
  font-size: 12.5px;
  color: var(--slate);
  margin-top: 4px;
}

.info-card--lime {
  background: var(--lime);
}

/* ---------------- 页脚 ---------------- */

.footer {
  background: var(--ink);
  color: var(--bone);
  padding: clamp(28px, 4vw, 48px) 0 20px;
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 0.7fr));
  gap: clamp(20px, 4vw, 48px);
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(239, 235, 226, 0.25);
}

.footer .display {
  font-size: clamp(1.6rem, 4vw, 3rem);
  color: var(--bone);
}

.footer .display span {
  color: var(--lime);
}

.footer h5 {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8d8880;
  margin: 0 0 10px;
  font-weight: 400;
}

.footer li {
  font-size: 13.5px;
  margin-bottom: 6px;
  color: #cfc9be;
}

.footer a:hover {
  color: var(--lime);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-top: 16px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: #7d786f;
  text-transform: uppercase;
}

/* ---------------- 产品 ---------------- */

.prod {
  border-bottom: var(--bw) solid var(--line);
  padding: clamp(22px, 3vw, 38px) 0;
}

.prod:first-of-type {
  border-top: var(--bw) solid var(--line);
}

.prod__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 14px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  border-bottom: 1px dashed rgba(22, 19, 15, 0.28);
}

.prod__no {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.prod__name {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}

.prod__name .cn {
  font-family: var(--f-cn);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.prod__status {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: var(--bw) solid var(--ink);
  padding: 4px 10px;
  white-space: nowrap;
}

.prod__status--live {
  background: var(--lime);
}

.prod__status--beta {
  background: var(--bone-2);
}

.prod__status--invite {
  background: var(--rust);
  color: var(--bone);
  border-color: var(--rust);
}

.prod__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: clamp(20px, 4vw, 52px);
  align-items: start;
}

.prod__body--solo {
  grid-template-columns: minmax(0, 1fr);
}

.prod__desc p {
  font-size: 15px;
  margin-bottom: 14px;
  max-width: 58ch;
}

.prod__desc p strong {
  background: var(--lime);
  padding: 0 3px;
}

.prod__feats {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
}

.prod__feats li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: #3c3a34;
  max-width: 60ch;
}

.prod__feats li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--rust);
}

.prod__feats li b {
  font-weight: 700;
  color: var(--ink);
}

.prod__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.prod__note {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--slate);
  text-transform: uppercase;
}

.prod__device {
  border: var(--bw) solid var(--line);
  background: var(--bone-2);
  box-shadow: 8px 8px 0 var(--ink);
}

.device__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: var(--bw) solid var(--line);
  background: var(--bone);
}

.device__bar i {
  display: block;
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
}

.device__bar span {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
  text-transform: uppercase;
}

.prod__device iframe {
  display: block;
  width: 100%;
  height: 700px;
  border: 0;
  background: #fff;
}

/* ---------------- 动画 ---------------- */

.rv {
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

html.js .rv {
  opacity: 0;
  transform: translateY(18px);
}

html.js .rv.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js .rv {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .marquee__track,
  .sticker {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1100px) {
  .services {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .prod__body {
    grid-template-columns: minmax(0, 1fr);
  }
  .prod__device iframe {
    height: 640px;
  }
  .work-row {
    grid-template-columns: 54px minmax(0, 1fr) 150px 40px;
  }
  .work-row__tags {
    display: none;
  }
  .work-preview {
    display: none;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    background: var(--bone);
    border-bottom: var(--bw) solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav[data-open="true"] {
    max-height: 420px;
  }
  .nav a {
    border-left: 0;
    border-top: var(--bw) solid var(--line);
    padding: 15px var(--pad);
    font-size: 15px;
  }
  .nav-toggle {
    display: block;
  }
  .logo {
    border-right: 0;
  }
  .hero__foot {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .sticker {
    /* 窄屏下红色圆贴会压住标签行，直接隐藏 */
    display: none;
  }
  .hero__eyebrow {
    gap: 8px;
  }
  .tag {
    font-size: 9.5px;
    padding: 4px 8px;
  }
  .hero__side {
    display: none;
  }
  .work-grid {
    grid-template-columns: 1fr;
  }
  .services {
    grid-template-columns: 1fr;
  }
  .work-row {
    grid-template-columns: 60px minmax(0, 1fr) 26px;
    padding: 15px 4px;
    gap: 10px;
  }
  .work-row__no {
    font-size: 9.5px;
  }
  .work-row__meta {
    display: none;
  }
  .quote {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .prod__device iframe {
    height: 760px;
  }
  .prod__status {
    margin-left: 0;
  }
  .field-row {
    grid-template-columns: 1fr;
  }
  .footer__top {
    grid-template-columns: 1fr;
  }
  .cv-item {
    grid-template-columns: 92px minmax(0, 1fr);
  }
}