@charset "UTF-8";
/* =====================================================================
   可替换：全站设计变量。颜色、字体、圆角、间距及动效集中在这里修改。
   强调色只定义一次；替换 --color-accent 即可更新全站强调色。
   ===================================================================== */
:root {
  --color-background: #101113;
  --color-surface: #17191c;
  --color-surface-raised: #1d2023;
  --color-image-background: #e5e7e8;
  --color-text: #f1f2f0;
  --color-text-secondary: #b0b4b3;
  --color-text-muted: #7f8584;
  --color-accent: #a8b8a5;
  --color-on-accent: #151a15;
  --color-border: #ffffff14;
  --color-border-strong: #ffffff2b;
  --color-header-glass: #101113de;
  --color-overlay: #08090be8;
  --font-body: Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-label: "Courier New", monospace;
  --font-size-body: 14px;
  --font-size-small: 12px;
  --font-size-label: 10px;
  --font-size-section: clamp(36px, 4.1vw, 60px);
  --font-size-name: clamp(68px, 7vw, 108px);
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 650;
  --line-height-body: 1.95;
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  --radius-pill: 999px;
  --space-unit: 4px;
  --space-xs: 8px;
  --space-small: 12px;
  --space-medium: 20px;
  --space-large: 32px;
  --space-xl: 48px;
  --space-xxl: 72px;
  --space-section: clamp(76px, 8vw, 124px);
  --space-gutter: 28px;
  --space-page: clamp(22px, 5.1vw, 88px);
  --container-width: 1280px;
  --header-height: 88px;
  --duration-fast: 180ms;
  --duration-normal: 320ms;
  --duration-slow: 700ms;
  --duration-progress: 1200ms;
  --ease-standard: cubic-bezier(.2, .7, .2, 1);
  --shadow-card: 0 16px 40px #00000026;
  --shadow-card-hover: 0 24px 56px #00000055;
  --shadow-modal: 0 32px 100px #00000066;
  --grid-columns: 12;
  font-family: var(--font-body);
  font-synthesis: none;
  color-scheme: dark;
  color: var(--color-text);
  background: var(--color-background);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-medium));
}
/* ==================== 通用基础样式：开始 ==================== */
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; font-size: var(--font-size-body); line-height: var(--line-height-body); }
body, button, input, textarea, select { font-family: var(--font-body); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a, button { -webkit-tap-highlight-color: transparent; }
button, input, textarea, select { font-size: inherit; }
img { display: block; max-width: 100%; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 5px; }
button:disabled { cursor: default; opacity: .4; }
::selection { background: var(--color-accent); color: var(--color-on-accent); }
[hidden] { display: none !important; }
.container { width: calc(100% - var(--space-page) * 2); max-width: var(--container-width); margin-inline: auto; }
.layout-grid { display: grid; grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr)); gap: var(--space-gutter); }
.layout-grid > * { min-width: 0; }
.section { padding-block: var(--space-section); }
.section--surface { background: var(--color-surface); }
.eyebrow { font: var(--font-size-label) / 1.7 var(--font-label); letter-spacing: 1.5px; color: var(--color-text-muted); }
.section-label { display: flex; justify-content: space-between; align-items: center; gap: var(--space-medium); font: var(--font-size-label) / 1.7 var(--font-label); letter-spacing: 1.4px; color: var(--color-text-muted); margin-bottom: var(--space-xl); }
.section-label > span:first-child { color: var(--color-accent); }
.section-title { font-size: var(--font-size-section); line-height: 1.35; letter-spacing: -2px; font-weight: var(--font-weight-medium); margin: 0; }
.section-title > span:not(.title-period) { color: var(--color-text-secondary); }
.title-period { color: var(--color-accent); }
.section-description { font-size: var(--font-size-small); color: var(--color-text-muted); line-height: var(--line-height-body); margin: var(--space-medium) 0 0; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-large); margin-bottom: var(--space-xl); }
.section-heading__index { font: var(--font-size-small) var(--font-label); color: var(--color-text-muted); letter-spacing: 2px; padding-bottom: var(--space-small); }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: var(--space-xl); padding: 14px 22px; min-height: 50px; border: 1px solid transparent; border-radius: var(--radius-small); font-size: var(--font-size-small); line-height: 1.6; transition: color var(--duration-fast), background var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast), box-shadow var(--duration-normal); }
.button > span { font-size: 20px; line-height: 1; }
.button--primary { background: var(--color-accent); color: var(--color-on-accent); }
.button--primary:hover { background: var(--color-text); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.button--secondary { border-color: var(--color-border-strong); color: var(--color-text-secondary); }
.button--secondary:hover { border-color: var(--color-accent); color: var(--color-text); background: var(--color-surface); transform: translateY(-2px); }
.button:active { transform: translateY(0) scale(.97); }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: var(--space-large); color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border-strong); padding-block: var(--space-small); font-size: var(--font-size-small); transition: color var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast); }
.text-link > span { font-size: 19px; transition: transform var(--duration-fast); }
.text-link:hover { color: var(--color-accent); border-color: var(--color-accent); }
.text-link:hover > span { transform: translate(2px, -2px); }
.text-link:active { transform: scale(.98); }
.skip-link { position: fixed; left: var(--space-medium); top: -70px; z-index: 1000; background: var(--color-accent); color: var(--color-on-accent); padding: 12px 20px; }
.skip-link:focus { top: var(--space-medium); }
/* ==================== 通用基础样式：结束 ==================== */

/* ==================== 固定导航：开始 ==================== */
.site-header { position: fixed; inset: 0 0 auto; height: var(--header-height); z-index: 100; border-bottom: 1px solid transparent; background: transparent; transition: background var(--duration-normal), border-color var(--duration-normal), backdrop-filter var(--duration-normal); }
.site-header.is-scrolled { background: var(--color-header-glass); border-color: var(--color-border); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px); }
.site-header__inner { height: 100%; display: flex; justify-content: space-between; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 16px; }
.brand__mark { font-weight: 750; font-size: 33px; line-height: 1; letter-spacing: -3px; }
.brand__mark > span { color: var(--color-accent); }
.brand__name { font-size: var(--font-size-small); font-weight: var(--font-weight-medium); letter-spacing: 2px; }
.brand__name > small { display: block; font: 7px / 1.5 var(--font-label); color: var(--color-text-muted); letter-spacing: 1px; margin-top: 5px; }
.primary-navigation { display: flex; align-items: center; gap: var(--space-large); }
.navigation-link { position: relative; padding: 10px 0; color: var(--color-text-muted); font-size: var(--font-size-small); transition: color var(--duration-fast), transform var(--duration-fast); }
.navigation-link:after { content: ""; position: absolute; bottom: 4px; left: 0; width: 0; height: 1px; background: var(--color-accent); transition: width var(--duration-normal) var(--ease-standard); }
.navigation-link:hover, .navigation-link[aria-current="location"] { color: var(--color-text); }
.navigation-link:hover:after, .navigation-link[aria-current="location"]:after { width: 100%; }
.navigation-link:active { transform: translateY(1px); }
.navigation-link__count { font: 8px var(--font-label); color: var(--color-accent); margin-left: 4px; vertical-align: super; }
.navigation-link--contact { color: var(--color-text-secondary); }
.navigation-link--contact > span { margin-left: 10px; color: var(--color-accent); }
.menu-toggle { display: none; }
/* ==================== 固定导航：结束 ==================== */

/* ==================== 首屏英雄区：开始 ==================== */
.hero { min-height: 100svh; padding-top: calc(var(--header-height) + 60px); padding-bottom: 35px; display: flex; flex-direction: column; justify-content: center; }
.hero__grid { align-items: center; width: calc(100% - var(--space-page) * 2); flex: 1; }
.hero__content { grid-column: 1 / span 5; padding-bottom: var(--space-large); }
.hero__eyebrow { display: flex; gap: var(--space-large); margin: 0 0 var(--space-large); }
.hero__eyebrow > span { font-family: var(--font-body); font-size: 9px; letter-spacing: .5px; color: var(--color-text-muted); }
.hero__title { font-size: var(--font-size-name); font-weight: var(--font-weight-bold); line-height: 1.2; letter-spacing: -5px; margin: 0; }
.hero__role { font-size: clamp(27px, 2.7vw, 43px); line-height: 1.3; letter-spacing: -1.4px; font-weight: var(--font-weight-normal); margin: 21px 0 0; }
.hero__role > span { color: var(--color-accent); }
.hero__description { font-size: var(--font-size-body); line-height: 2.05; letter-spacing: .5px; color: var(--color-text-secondary); margin: 26px 0 0; }
.hero__description > span { display: inline-block; color: var(--color-text-muted); font-size: 11px; margin-top: 7px; }
.hero__actions { display: flex; gap: var(--space-small); flex-wrap: wrap; margin-top: 28px; }
.hero__disciplines { display: flex; gap: var(--space-medium); margin-top: var(--space-xl); color: var(--color-text-muted); font-size: 9px; letter-spacing: 1px; }
.hero__disciplines > span + span:before { display: inline-block; content: "/"; color: var(--color-border-strong); margin-right: var(--space-medium); }
.hero__visual { grid-column: 7 / span 6; position: relative; will-change: transform; }
.hero__image-button { display: block; width: 100%; padding: var(--space-medium); background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: var(--radius-medium); overflow: hidden; box-shadow: var(--shadow-card); position: relative; transition: border-color var(--duration-normal), box-shadow var(--duration-normal), transform var(--duration-normal); }
.hero__image-button > img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: var(--color-image-background); border-radius: var(--radius-small); transition: transform var(--duration-slow) var(--ease-standard); }
.hero__image-open { position: absolute; right: 34px; bottom: 34px; color: var(--color-on-accent); background: var(--color-accent); border-radius: var(--radius-small); padding: 9px 14px; font-size: 10px; opacity: 0; transform: translateY(8px); transition: opacity var(--duration-normal), transform var(--duration-normal); }
.hero__image-button:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.hero__image-button:hover > img { transform: scale(1.02); }
.hero__image-button:hover > .hero__image-open { opacity: 1; transform: translateY(0); }
.hero__image-button:active { transform: translateY(-1px) scale(.99); }
.hero__image-caption { display: flex; justify-content: space-between; align-items: center; gap: var(--space-medium); margin-top: var(--space-medium); }
.hero__image-caption .eyebrow { font-size: 8px; color: var(--color-text-muted); }
.hero__image-caption p { font-size: 11px; color: var(--color-text-secondary); margin: 5px 0 0; }
.hero__image-category { font: 8px var(--font-label); color: var(--color-text-muted); letter-spacing: .7px; }
.hero__footer { display: flex; justify-content: space-between; align-items: center; margin-top: 56px; padding-top: var(--space-medium); border-top: 1px solid var(--color-border); color: var(--color-text-muted); font: 8px var(--font-label); letter-spacing: 1.2px; }
.hero__footer > a { display: flex; align-items: center; gap: 15px; font: 10px var(--font-body); transition: color var(--duration-fast); }
.hero__footer > a:hover { color: var(--color-accent); }
.hero__footer > a > span { font-size: 18px; }
.title-character { display: inline-block; opacity: 0; transform: translateY(16px); animation: title-reveal var(--duration-slow) var(--ease-standard) forwards; animation-delay: calc(var(--character-index) * 85ms); }
/* ==================== 首屏英雄区：结束 ==================== */

/* ==================== 关于我：开始 ==================== */
.about__grid { align-items: center; }
.about__portrait { grid-column: 1 / span 4; margin: 0; max-width: 350px; }
.about__portrait > img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 25%; border-radius: var(--radius-medium); }
/* 个人头像不使用灰度、去色或其他改变人物色彩的滤镜。 */
.about__portrait > figcaption { display: flex; justify-content: space-between; gap: var(--space-small); margin-top: 16px; color: var(--color-text-muted); font: 8px / 1.8 var(--font-label); letter-spacing: .5px; }
.about__content { grid-column: 6 / span 7; }
.about__content .section-title { font-size: clamp(32px, 3.5vw, 51px); }
.about__content > p { max-width: 600px; font-size: var(--font-size-body); line-height: 2.15; color: var(--color-text-secondary); margin: 23px 0 0; }
.about__content > p + p { margin-top: 14px; color: var(--color-text-muted); }
.capability-tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin: 26px 0 22px; }
.capability-tags > span { font-size: 10px; color: var(--color-text-secondary); border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill); padding: 6px 12px; }
.about__content .text-link { font-size: 11px; }
/* ==================== 关于我：结束 ==================== */

/* ==================== 作品网格与分类：开始 ==================== */
.portfolio__toolbar { display: flex; justify-content: space-between; align-items: center; gap: var(--space-medium); margin-bottom: var(--space-large); border-top: 1px solid var(--color-border); padding-top: var(--space-medium); }
.portfolio-filters { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.filter-button { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-pill); font-size: 10px; line-height: 1.7; color: var(--color-text-muted); transition: color var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast), transform var(--duration-fast); }
.filter-button:hover { color: var(--color-text); border-color: var(--color-border-strong); background: var(--color-surface); }
.filter-button.is-active { color: var(--color-on-accent); background: var(--color-accent); border-color: var(--color-accent); }
.filter-button:active { transform: scale(.94); }
.filter-button > sup { font: 7px var(--font-label); opacity: .75; }
.portfolio__result { color: var(--color-text-muted); font-size: 10px; white-space: nowrap; margin: 0; }
.project-grid { gap: 38px var(--space-gutter); align-items: start; min-height: 120px; }
.project-card { grid-column: span 4; min-width: 0; }
.project-card__button { width: 100%; text-align: left; display: block; border-radius: var(--radius-medium); transition: transform var(--duration-normal) var(--ease-standard); }
.project-card__cover { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-medium); background: var(--color-image-background); overflow: hidden; box-shadow: var(--shadow-card); transition: box-shadow var(--duration-normal), border-color var(--duration-normal); border: 1px solid var(--color-border); }
.project-card__cover > img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow) var(--ease-standard); }
.project-card__open { position: absolute; right: 15px; bottom: 15px; width: 35px; height: 35px; border-radius: var(--radius-pill); color: var(--color-on-accent); background: var(--color-accent); display: flex; align-items: center; justify-content: center; font-size: 20px; transform: translateY(50px); transition: transform var(--duration-normal) var(--ease-standard); }
.project-card__content { padding: 18px 2px 0; }
.project-card__meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-small); margin-bottom: 9px; }
.project-card__category { color: var(--color-accent); font-size: 8px; line-height: 1.7; letter-spacing: .5px; }
.project-card__number { font: 8px var(--font-label); color: var(--color-text-muted); }
.project-card__title { margin: 0; font-size: 17px; line-height: 1.7; font-weight: var(--font-weight-medium); color: var(--color-text); letter-spacing: -.3px; transition: transform var(--duration-normal) var(--ease-standard), color var(--duration-normal); }
.project-card__description { margin: 7px 0 0; color: var(--color-text-muted); font-size: var(--font-size-small); line-height: 1.9; }
.project-card__button:hover { transform: translateY(-4px); }
.project-card__button:hover .project-card__cover { box-shadow: var(--shadow-card-hover); border-color: var(--color-border-strong); }
.project-card__button:hover .project-card__cover > img { transform: scale(1.045); }
.project-card__button:hover .project-card__title { transform: translateY(-3px); color: var(--color-accent); }
.project-card__button:hover .project-card__open { transform: translateY(0); }
.project-card__button:active { transform: translateY(-1px) scale(.985); }
.project-card.is-selected .project-card__cover { outline: 1px solid var(--color-accent); outline-offset: 3px; }
.project-grid.is-filtering { opacity: .15; transform: translateY(7px); }
.project-grid { transition: opacity var(--duration-fast), transform var(--duration-fast); }
.project-card.is-entering { animation: filter-reveal var(--duration-normal) var(--ease-standard) both; animation-delay: calc(var(--card-index) * 40ms); }
.portfolio__footer { margin-top: var(--space-xl); padding-top: var(--space-medium); border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; gap: var(--space-medium); }
.portfolio__footer > span { color: var(--color-text-muted); font-size: 10px; }
.portfolio__footer .text-link { font-size: 10px; }
.empty-state { color: var(--color-text-muted); font-size: var(--font-size-small); }
.empty-state a { text-decoration: underline; color: var(--color-accent); }
/* ==================== 作品网格与分类：结束 ==================== */

/* ==================== 技能与进度条：开始 ==================== */
.skills__grid { gap: 0; border: 1px solid var(--color-border); border-radius: var(--radius-medium); overflow: hidden; }
.skill-card { grid-column: span 4; padding: 34px 30px; min-width: 0; }
.skill-card + .skill-card { border-left: 1px solid var(--color-border); }
.skill-card__number { color: var(--color-text-muted); font: 10px var(--font-label); }
.skill-card h3 { font-size: 21px; letter-spacing: -.4px; font-weight: var(--font-weight-medium); margin: 25px 0 14px; }
.skill-card > p { font-size: var(--font-size-small); color: var(--color-text-muted); line-height: 2; margin: 0; min-height: 48px; }
.skill-card__tools { font-size: 10px; line-height: 1.9; color: var(--color-text-secondary); margin-top: 25px; min-height: 38px; }
.skill-progress { height: 2px; width: 100%; background: var(--color-border-strong); margin-top: 30px; overflow: hidden; border-radius: var(--radius-pill); }
.skill-progress__fill { display: block; height: 100%; width: 0; background: var(--color-accent); transition: width var(--duration-progress) var(--ease-standard); }
.skill-card__caption { display: block; font: 7px / 1.8 var(--font-label); letter-spacing: .7px; color: var(--color-text-muted); margin-top: 15px; }
/* ==================== 技能与进度条：结束 ==================== */

/* ==================== 联系表单：开始 ==================== */
.contact__grid { align-items: start; }
.contact__information { grid-column: 1 / span 5; }
.contact__information .section-title { font-size: clamp(35px, 3.8vw, 55px); }
.contact__information .section-description { max-width: 360px; }
.contact-list { margin: var(--space-xl) 0 0; }
.contact-list > div { margin-bottom: 25px; }
.contact-list dt { font: 8px var(--font-label); letter-spacing: 1px; color: var(--color-text-muted); margin-bottom: 9px; }
.contact-list dd { margin: 0; font-size: 16px; color: var(--color-text-secondary); line-height: 1.8; display: flex; align-items: center; flex-wrap: wrap; gap: 17px; }
.contact-list dd > a { transition: color var(--duration-fast); }
.contact-list dd > a:hover { color: var(--color-accent); }
.copy-button { font-size: 9px; color: var(--color-text-muted); transition: color var(--duration-fast), transform var(--duration-fast); }
.copy-button > span { margin-left: 5px; }
.copy-button:hover { color: var(--color-accent); }
.copy-button:active { transform: scale(.95); }
.contact-form { grid-column: 7 / span 6; border: 1px solid var(--color-border); padding: 32px; border-radius: var(--radius-medium); background: var(--color-surface); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-medium); }
.form-field { margin-bottom: 20px; }
.form-field label { display: block; color: var(--color-text-secondary); font-size: 10px; margin-bottom: 9px; }
.form-field label > span { color: var(--color-accent); margin-left: 3px; }
.form-field input, .form-field textarea, .form-field select { display: block; width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-small); background: var(--color-background); color: var(--color-text); font-size: 11px; line-height: 1.8; transition: border-color var(--duration-fast), background var(--duration-fast); }
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--color-text-muted); opacity: .65; }
.form-field input:hover, .form-field textarea:hover, .form-field select:hover { border-color: var(--color-text-muted); }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--color-accent); outline: 0; }
.form-field textarea { resize: vertical; min-height: 130px; max-height: 350px; }
.contact-form__bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--space-medium); }
.contact-form__bottom > p { font-size: 9px; line-height: 1.8; color: var(--color-text-muted); max-width: 125px; margin: 0; }
.contact-form__bottom .button { min-height: 43px; font-size: 10px; padding: 12px 15px; gap: 20px; }
.form-status { color: var(--color-accent); font-size: 10px; line-height: 1.9; margin: 0; }
.form-status:not(:empty) { margin-top: 16px; }
/* ==================== 联系表单：结束 ==================== */

/* ==================== 页脚：开始 ==================== */
.site-footer { border-top: 1px solid var(--color-border); padding-block: 28px; }
.site-footer__inner { display: flex; align-items: center; gap: 28px; }
.footer-wordmark { font-size: 24px; font-weight: 750; letter-spacing: -2px; }
.site-footer__inner > p { font-size: 9px; color: var(--color-text-muted); margin: 0; }
.social-links { margin-left: auto; display: flex; gap: 10px; }
.social-links > a, .social-links > button { display: flex; align-items: center; justify-content: center; width: 33px; height: 33px; color: var(--color-text-muted); border: 1px solid var(--color-border); border-radius: var(--radius-pill); transition: color var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast); }
.social-links svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.social-links > a:hover, .social-links > button:hover { color: var(--color-accent); border-color: var(--color-accent); transform: translateY(-2px); }
.social-links > a:active, .social-links > button:active { transform: scale(.93); }
.back-to-top { color: var(--color-text-muted); font-size: 9px; display: flex; gap: 15px; transition: color var(--duration-fast); }
.back-to-top > span { font-size: 17px; }
.back-to-top:hover { color: var(--color-accent); }
/* ==================== 页脚：结束 ==================== */

/* ==================== 项目与图片弹窗：开始 ==================== */
html.has-open-modal { overflow: hidden; }
dialog { border: 1px solid var(--color-border-strong); padding: 0; color: var(--color-text); background: var(--color-surface); }
dialog::backdrop { background: var(--color-overlay); backdrop-filter: blur(12px); }
.project-modal { width: min(1120px, calc(100% - 48px)); max-width: none; height: calc(100svh - 40px); max-height: none; border-radius: var(--radius-large); margin: 20px auto; overflow: hidden; box-shadow: var(--shadow-modal); }
.project-modal[open], .image-modal[open] { animation: modal-reveal var(--duration-normal) var(--ease-standard) both; }
.project-modal__scroll { height: 100%; overflow-y: auto; overscroll-behavior: contain; }
.project-modal__header { position: sticky; top: 0; z-index: 5; background: var(--color-header-glass); backdrop-filter: blur(20px); padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-border); }
.project-modal__header .eyebrow { font-size: 8px; }
#project-modal-number { font: 8px var(--font-label); color: var(--color-text-muted); }
.icon-button { width: 33px; height: 33px; display: inline-flex; justify-content: center; align-items: center; color: var(--color-text-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-pill); font-size: 24px; line-height: 1; transition: color var(--duration-fast), background var(--duration-fast), transform var(--duration-fast); }
.icon-button:hover { background: var(--color-accent); color: var(--color-on-accent); }
.icon-button:active { transform: scale(.9); }
.project-modal__introduction { display: grid; grid-template-columns: 1fr 230px; gap: 60px; padding: 42px; }
#project-modal-category { color: var(--color-accent); font-size: 9px; margin: 0; }
#project-modal-title { font-size: 31px; line-height: 1.5; letter-spacing: -1px; font-weight: var(--font-weight-medium); margin: 14px 0 18px; }
#project-modal-description { font-size: 12px; line-height: 2; color: var(--color-text-muted); margin: 0; }
#project-modal-information { border-top: 1px solid var(--color-border); padding-top: 5px; margin: 0; }
#project-modal-information dt { font-size: 8px; color: var(--color-text-muted); letter-spacing: .5px; margin: 13px 0 6px; }
#project-modal-information dd { font-size: 10px; color: var(--color-text-secondary); line-height: 1.9; margin: 0 0 12px; }
.project-modal__gallery { background: var(--color-image-background); }
.project-image { display: block; width: 100%; position: relative; line-height: 0; }
.project-image > img { width: 100%; height: auto; }
.project-image:after { content: "放大查看 ↗"; position: absolute; bottom: 18px; right: 20px; color: var(--color-on-accent); background: var(--color-accent); padding: 11px 16px; font-size: 9px; line-height: 1; border-radius: var(--radius-pill); opacity: 0; transform: translateY(5px); transition: opacity var(--duration-normal), transform var(--duration-normal); }
.project-image:hover:after { opacity: 1; transform: translateY(0); }
.project-modal__footer { padding: 25px 30px; display: flex; justify-content: space-between; align-items: center; }
.project-modal__footer > span { font: 7px var(--font-label); color: var(--color-text-muted); letter-spacing: 1px; }
.project-modal__footer .text-link { font-size: 10px; }
.image-modal { width: 100vw; height: 100svh; max-width: none; max-height: none; margin: 0; border: 0; background: var(--color-background); overflow: hidden; }
.image-modal__header { position: absolute; top: 0; left: 0; right: 0; z-index: 5; height: 65px; padding: 0 25px; display: flex; justify-content: space-between; align-items: center; gap: var(--space-medium); border-bottom: 1px solid var(--color-border); background: var(--color-header-glass); backdrop-filter: blur(15px); }
#image-modal-counter { font: 9px var(--font-label); color: var(--color-text-secondary); line-height: 1.8; }
.image-modal__header > div { display: flex; align-items: center; gap: 20px; }
#toggle-image-zoom { font-size: 11px; color: var(--color-text-secondary); padding: 9px; transition: color var(--duration-fast); }
#toggle-image-zoom:hover { color: var(--color-accent); }
.image-modal__scroll { height: 100%; overflow: auto; overscroll-behavior: contain; padding: 85px 50px 35px; }
#image-modal-image { width: min(100%, 1100px); height: auto; max-width: none; margin: 0 auto; cursor: zoom-in; }
.image-modal.is-zoomed #image-modal-image { width: 1440px; max-width: none; cursor: zoom-out; }
.image-modal__previous, .image-modal__next { position: fixed; top: 50%; width: 34px; height: 46px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-small); color: var(--color-text); background: var(--color-header-glass); backdrop-filter: blur(10px); z-index: 5; font-size: 20px; transition: background var(--duration-fast), color var(--duration-fast), transform var(--duration-fast); }
.image-modal__previous { left: 8px; }
.image-modal__next { right: 8px; }
.image-modal__previous:hover, .image-modal__next:hover { background: var(--color-accent); color: var(--color-on-accent); }
.image-modal__previous:active, .image-modal__next:active { transform: scale(.9); }
.notification { position: fixed; bottom: 28px; left: 50%; transform: translate(-50%, 15px); padding: 12px 24px; max-width: calc(100% - 40px); color: var(--color-text); background: var(--color-surface-raised); border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill); box-shadow: var(--shadow-card); font-size: 11px; line-height: 1.7; text-align: center; opacity: 0; pointer-events: none; z-index: 500; transition: opacity var(--duration-fast), transform var(--duration-fast); }
.notification.is-visible { opacity: 1; transform: translate(-50%, 0); }
/* ==================== 项目与图片弹窗：结束 ==================== */

/* ==================== 动效与无障碍：开始 ==================== */
.reveal { opacity: 1; transform: none; transition: opacity var(--duration-slow) var(--ease-standard), transform var(--duration-slow) var(--ease-standard); }
.motion-enabled .reveal.is-pending { opacity: 0; transform: translateY(22px); }
@keyframes title-reveal { to { opacity: 1; transform: translateY(0); } }
@keyframes filter-reveal { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes modal-reveal { from { opacity: 0; transform: translateY(12px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
/* ==================== 动效与无障碍：结束 ==================== */

/* ==================== 平板响应式：开始 ==================== */
@media (max-width: 1050px) {
  :root { --space-gutter: 24px; --space-page: 36px; --header-height: 78px; --space-section: 88px; }
  .primary-navigation { gap: 24px; }
  .hero { min-height: 100svh; padding-top: calc(var(--header-height) + 65px); }
  .hero__content { grid-column: 1 / span 5; }
  .hero__visual { grid-column: 7 / span 6; }
  .hero__title { font-size: 77px; }
  .hero__role { font-size: 29px; }
  .hero__description { font-size: 11px; }
  .hero__actions .button { padding: 13px 17px; gap: 25px; min-height: 46px; font-size: 11px; }
  .hero__image-button { padding: 13px; }
  .hero__image-category { display: none; }
  .hero__disciplines { gap: 13px; font-size: 8px; }
  .hero__disciplines > span + span:before { margin-right: 13px; }
  .about__portrait { grid-column: 1 / span 4; }
  .about__content { grid-column: 6 / span 7; }
  .about__content .section-title { font-size: 35px; }
  .about__content > p { font-size: 11px; }
  .project-card { grid-column: span 6; }
  .project-card__title { font-size: 17px; }
  .skill-card { padding: 28px 22px; }
  .skill-card h3 { font-size: 19px; }
  .skill-card > p { font-size: 11px; }
  .skill-card__tools { font-size: 9px; }
  .skill-card__caption { font-size: 6px; }
  .contact__information { grid-column: 1 / span 5; }
  .contact-form { grid-column: 7 / span 6; padding: 25px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form__bottom { align-items: flex-start; flex-direction: column; gap: 15px; }
  .contact-form__bottom > p { max-width: none; }
  .contact-list dd { font-size: 14px; gap: 12px; }
  .project-modal__introduction { gap: 30px; padding: 35px; grid-template-columns: 1fr 190px; }
}
/* ==================== 平板响应式：结束 ==================== */

/* ==================== 移动端响应式：开始 ==================== */
@media (max-width: 680px) {
  :root { --space-page: 22px; --space-gutter: 20px; --space-section: 62px; --header-height: 72px; --font-size-body: 13px; --font-size-small: 11px; --font-size-label: 8px; --font-size-section: 36px; --radius-medium: 7px; }
  .brand { gap: 12px; }
  .brand__mark { font-size: 29px; }
  .brand__name { font-size: 10px; }
  .brand__name > small { font-size: 6px; letter-spacing: .7px; margin-top: 4px; }
  .site-header { background: var(--color-header-glass); }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; padding: 12px 0 12px 16px; }
  .menu-toggle > span { display: block; width: 23px; height: 1px; background: var(--color-text-secondary); transition: transform var(--duration-normal) var(--ease-standard); }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .primary-navigation { position: absolute; top: calc(var(--header-height) - 1px); left: 0; right: 0; display: grid; gap: 0; padding: 0 var(--space-page); grid-template-rows: repeat(5, 0fr); max-height: 0; overflow: hidden; opacity: 0; visibility: hidden; background: var(--color-header-glass); backdrop-filter: blur(22px); border-bottom: 1px solid var(--color-border); transition: max-height var(--duration-normal) var(--ease-standard), opacity var(--duration-normal), padding var(--duration-normal), visibility var(--duration-normal); }
  .primary-navigation.is-open { max-height: 360px; opacity: 1; visibility: visible; padding-block: 10px 18px; grid-template-rows: repeat(5, 1fr); }
  .navigation-link { display: flex; justify-content: space-between; align-items: center; padding: 14px 2px; font-size: 13px; border-bottom: 1px solid var(--color-border); }
  .navigation-link:after { display: none; }
  .navigation-link[aria-current="location"] { color: var(--color-accent); }
  .navigation-link__count { margin-left: auto; margin-right: 3px; }
  .hero { min-height: 0; padding-top: calc(var(--header-height) + 42px); padding-bottom: 25px; }
  .hero__grid { row-gap: 38px; column-gap: var(--space-gutter); }
  .hero__content { grid-column: 1 / -1; padding-bottom: 0; }
  .hero__eyebrow { font-size: 8px; letter-spacing: 1.2px; gap: 20px; margin-bottom: 24px; }
  .hero__eyebrow > span { font-size: 8px; }
  .hero__title { font-size: 73px; letter-spacing: -4px; }
  .hero__role { font-size: 32px; letter-spacing: -1px; margin-top: 17px; }
  .hero__description { margin-top: 20px; font-size: 11px; line-height: 2; }
  .hero__description > span { font-size: 10px; margin-top: 5px; }
  .hero__actions { margin-top: 25px; gap: 10px; }
  .hero__actions .button { min-height: 44px; font-size: 10px; padding: 12px 18px; gap: 37px; }
  .hero__disciplines { margin-top: 28px; font-size: 8px; gap: 15px; }
  .hero__disciplines > span + span:before { margin-right: 15px; }
  .hero__visual { grid-column: 1 / -1; }
  .hero__image-button { padding: 13px; }
  .hero__image-button > img { aspect-ratio: 4 / 3; }
  .hero__image-open { right: 26px; bottom: 26px; font-size: 8px; padding: 8px 12px; opacity: 1; transform: none; }
  .hero__image-caption { margin-top: 15px; }
  .hero__image-caption .eyebrow { font-size: 7px; }
  .hero__image-caption p { font-size: 10px; margin-top: 4px; }
  .hero__footer { margin-top: 35px; padding-top: 15px; font-size: 5px; letter-spacing: .8px; gap: 15px; }
  .hero__footer > span { max-width: 185px; line-height: 1.8; }
  .hero__footer > a { font-size: 9px; gap: 10px; white-space: nowrap; }
  .hero__footer > a > span { font-size: 16px; }
  .section-label { margin-bottom: 30px; font-size: 7px; letter-spacing: 1px; }
  .section-label > span:last-child { font-size: 6px; letter-spacing: .6px; text-align: right; max-width: 170px; }
  .about__grid { row-gap: 32px; column-gap: var(--space-gutter); }
  .about__portrait { grid-column: 1 / -1; max-width: 235px; }
  .about__portrait > img { aspect-ratio: 4 / 5; }
  .about__portrait > figcaption { font-size: 6px; letter-spacing: .3px; margin-top: 12px; }
  .about__content { grid-column: 1 / -1; }
  .about__content .section-title { font-size: 33px; letter-spacing: -1px; }
  .about__content > p { font-size: 11px; margin-top: 22px; line-height: 2.05; }
  .about__content > p + p { margin-top: 13px; }
  .capability-tags { gap: 7px; margin: 22px 0 17px; }
  .capability-tags > span { font-size: 9px; padding: 6px 10px; }
  .about__content .text-link { font-size: 10px; }
  .section-title { letter-spacing: -1.5px; }
  .section-heading { gap: 20px; margin-bottom: 28px; }
  .section-heading__index { font-size: 8px; padding-bottom: 9px; letter-spacing: 1px; }
  .section-description { font-size: 10px; margin-top: 15px; }
  .portfolio__toolbar { display: block; padding-top: 18px; margin-bottom: 25px; }
  .portfolio-filters { gap: 7px; }
  .filter-button { font-size: 9px; padding: 7px 11px; }
  .filter-button > sup { font-size: 6px; }
  .portfolio__result { font-size: 8px; margin-top: 18px; }
  .project-grid { row-gap: 31px; }
  .project-card { grid-column: 1 / -1; }
  .project-card__content { padding-top: 15px; }
  .project-card__meta { margin-bottom: 7px; }
  .project-card__category, .project-card__number { font-size: 8px; }
  .project-card__title { font-size: 17px; }
  .project-card__description { font-size: 10px; margin-top: 5px; }
  .project-card__open { width: 32px; height: 32px; font-size: 18px; right: 13px; bottom: 13px; transform: none; }
  .portfolio__footer { margin-top: 32px; padding-top: 17px; gap: 20px; }
  .portfolio__footer > span { font-size: 8px; max-width: 140px; line-height: 1.9; }
  .portfolio__footer .text-link { font-size: 9px; gap: 12px; white-space: nowrap; }
  .skills__grid { border-radius: var(--radius-medium); }
  .skill-card { grid-column: 1 / -1; padding: 27px 24px; }
  .skill-card + .skill-card { border-left: 0; border-top: 1px solid var(--color-border); }
  .skill-card__number { font-size: 9px; }
  .skill-card h3 { font-size: 20px; margin-top: 18px; }
  .skill-card > p { font-size: 11px; min-height: 0; }
  .skill-card__tools { font-size: 10px; min-height: 0; margin-top: 19px; }
  .skill-progress { margin-top: 23px; }
  .skill-card__caption { font-size: 7px; margin-top: 13px; }
  .contact__grid { row-gap: 32px; column-gap: var(--space-gutter); }
  .contact__information { grid-column: 1 / -1; }
  .contact__information .section-title { font-size: 36px; letter-spacing: -1.5px; }
  .contact__information .section-description { max-width: 300px; }
  .contact-list { margin-top: 30px; }
  .contact-list > div { margin-bottom: 22px; }
  .contact-list dt { font-size: 7px; margin-bottom: 8px; }
  .contact-list dd { font-size: 16px; gap: 16px; }
  .copy-button { font-size: 9px; }
  .contact-form { grid-column: 1 / -1; padding: 23px; }
  .form-row { grid-template-columns: 1fr; }
  .form-field { margin-bottom: 18px; }
  .form-field label { font-size: 10px; }
  .form-field input, .form-field textarea, .form-field select { font-size: 12px; padding: 11px; }
  .contact-form__bottom { flex-direction: row; align-items: center; gap: 15px; }
  .contact-form__bottom > p { font-size: 8px; max-width: 105px; }
  .contact-form__bottom .button { font-size: 9px; padding: 10px 12px; gap: 13px; }
  .contact-form__bottom .button > span { font-size: 17px; }
  .site-footer { padding-block: 22px; }
  .site-footer__inner { gap: 20px; flex-wrap: wrap; }
  .footer-wordmark { font-size: 23px; }
  .site-footer__inner > p { font-size: 7px; }
  .social-links { gap: 7px; }
  .social-links > a, .social-links > button { width: 29px; height: 29px; }
  .social-links svg { width: 14px; height: 14px; }
  .back-to-top { width: 100%; justify-content: flex-end; font-size: 8px; margin-top: 1px; }
  .project-modal { width: 100%; height: 100svh; margin: 0; border: 0; border-radius: 0; }
  .project-modal__header { padding: 12px 17px; }
  .project-modal__header .eyebrow { font-size: 6px; }
  #project-modal-number { font-size: 7px; }
  .icon-button { width: 30px; height: 30px; font-size: 23px; }
  .project-modal__introduction { grid-template-columns: 1fr; gap: 23px; padding: 27px 22px; }
  #project-modal-category { font-size: 7px; }
  #project-modal-title { font-size: 27px; margin: 12px 0 16px; letter-spacing: -.5px; }
  #project-modal-description { font-size: 10px; }
  #project-modal-information { display: grid; grid-template-columns: 1fr 1fr; gap: 0 15px; }
  #project-modal-information dt { font-size: 7px; }
  #project-modal-information dd { font-size: 9px; margin-bottom: 8px; }
  .project-image:after { font-size: 7px; padding: 9px 12px; right: 12px; bottom: 12px; }
  .project-modal__footer { padding: 22px 18px; }
  .project-modal__footer > span { font-size: 5px; letter-spacing: .7px; }
  .project-modal__footer .text-link { font-size: 9px; gap: 12px; }
  .image-modal__header { height: 60px; padding: 0 14px; gap: 12px; }
  #image-modal-counter { font-size: 7px; max-width: 65%; }
  .image-modal__header > div { gap: 8px; }
  #toggle-image-zoom { font-size: 9px; padding: 7px; }
  .image-modal__scroll { padding: 78px 20px 25px; }
  .image-modal.is-zoomed #image-modal-image { width: 1200px; }
  .image-modal__previous, .image-modal__next { width: 26px; height: 38px; font-size: 16px; }
  .image-modal__previous { left: 3px; }
  .image-modal__next { right: 3px; }
  .notification { font-size: 10px; padding: 11px 19px; bottom: 22px; }
}
/* ==================== 移动端响应式：结束 ==================== */

/* ==================== 小屏与减少动态效果：开始 ==================== */
@media (max-width: 375px) {
  :root { --space-page: 19px; }
  .hero__title { font-size: 66px; }
  .hero__role { font-size: 29px; }
  .hero__actions .button { gap: 31px; }
  .section-label > span:last-child { max-width: 140px; font-size: 5px; }
  .contact-form { padding: 20px; }
  .contact-form__bottom { align-items: flex-start; flex-direction: column; gap: 13px; }
  .contact-form__bottom > p { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *:before, *:after { animation: none !important; transition: none !important; }
  .title-character { opacity: 1; transform: none; }
  .motion-enabled .reveal.is-pending { opacity: 1; transform: none; }
  .hero__visual { transform: none !important; }
}
/* ==================== 小屏与减少动态效果：结束 ==================== */