.resource-page{color:#294961}.res-wrap{width:min(1200px,90%);margin:auto}.resource-hero{background:radial-gradient(ellipse at 78% 50%,#dff3ff,transparent 60%),linear-gradient(110deg,#f5f9ff,#edf8ff);padding:48px 0 38px}.hero-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.res-eyebrow{color:#438fc8;font-size:10px;letter-spacing:2px;font-weight:600}.resource-hero h1{font-size:49px;line-height:1.4;letter-spacing:-1px;font-weight:600;margin:21px 0}.resource-hero h1 em{font-style:normal;color:#087bff;background:linear-gradient(100deg,#087bff,#06b3ce);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.resource-hero p{font-size:14px;line-height:1.9;color:#7a92a6}.res-hero-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;mix-blend-mode:multiply;mask-image:radial-gradient(ellipse 70% 70%,#000 45%,transparent 75%)}.res-search{display:flex;align-items:center;gap:12px;background:white;border:1px solid #d2e4f4;border-radius:12px;padding:7px 8px 7px 17px;margin-top:25px;max-width:465px;box-shadow:0 8px 25px #548bb70a}.res-search>span{font-size:24px;color:#318cf0}.res-search input{border:0;outline:0;background:transparent;width:100%;min-width:0;font:inherit;font-size:12px;color:#375a78}.res-search:focus-within{border-color:#3c9bfa;box-shadow:0 0 0 3px #188bff12}.res-search button{background:#087bff;color:#fff;border:0;border-radius:8px;width:37px;height:37px;font-size:20px;cursor:pointer}.res-hot{display:flex;gap:14px;align-items:center;font-size:10px;color:#9ab0c2;margin-top:13px}.res-hot button{background:none;border:0;color:#6e91ac;font:inherit;cursor:pointer;padding:3px}.resource-toolbar{display:flex;justify-content:space-between;align-items:center;padding:26px 0;border-bottom:1px solid #e2edf6;gap:15px}.resource-filters{display:flex;gap:9px}.resource-filters button{border:0;background:none;color:#7e95a9;padding:10px 19px;border-radius:7px;font-size:12px;cursor:pointer}.resource-filters button[aria-pressed=true]{background:#edf6ff;color:#087bff}.resource-toolbar>span{font-size:11px;color:#9baebf}.resource-section{padding-top:51px}.res-section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px;gap:15px}.res-section-heading h2{font-size:26px;font-weight:550;margin-top:9px}.res-section-heading p{font-size:12px;color:#91a4b5}.resource-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}.resource-grid.product-grid{grid-template-columns:1fr 1fr}.resource-card{border:1px solid #dfeaf5;border-radius:14px;background:white;overflow:hidden;transition:box-shadow .2s,transform .2s}.resource-card:hover{box-shadow:0 12px 28px #2c689911;transform:translateY(-3px)}.resource-cover{height:155px;position:relative;overflow:hidden;background:linear-gradient(125deg,#edf6ff,#dbeeff);display:flex;align-items:center;justify-content:center}.resource-cover.violet{background:linear-gradient(125deg,#f4f3ff,#e6eaff)}.book-cover{width:118px;height:137px;border-radius:3px 10px 10px 3px;transform:rotate(-12deg) translateY(19px);background:linear-gradient(135deg,#2889fa,#65b4ff);border-left:7px solid #2379d4;box-shadow:14px 13px 0 -8px #fff,20px 16px 30px #326bc426;padding:19px 13px;color:#fff;position:relative}.violet .book-cover{background:linear-gradient(135deg,#6385dc,#93aeed);border-left-color:#536ec3;transform:rotate(10deg) translateY(19px)}.book-cover b{font-size:19px;display:block}.book-cover span{font-size:9px;display:block;margin-top:8px}.book-cover i{display:block;margin-top:15px;width:35px;height:2px;background:#bcdfff;box-shadow:0 7px #bcdfff,0 14px #bcdfff}.cover-word{position:absolute;left:25px;top:22px;letter-spacing:2px;font-size:9px;color:#739cc4}.resource-card-body{padding:22px 24px}.resource-card-meta{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#8da6bc;margin-bottom:12px}.resource-card h3{font-size:17px;font-weight:550;line-height:1.5}.resource-card p{font-size:12px;color:#879dad;line-height:1.85;margin:9px 0 19px}.resource-card-actions{display:flex;gap:12px;align-items:center}.resource-card-actions button,.resource-card-actions a{font-size:11px;padding:8px 13px;border:1px solid #d9e7f4;border-radius:6px;background:white;color:#347fae;cursor:pointer}.resource-card-actions button.primary{background:#087bff;color:white;border-color:#087bff}.resource-card-actions button:disabled{color:#9faebd;background:#f6f9fc;border-color:#eaf0f6;cursor:default}.video-cover{height:163px;background:linear-gradient(135deg,#eff7ff,#e2f1fb);padding:22px 28px;position:relative}.video-cover .mock-window{height:125px;background:#fff;border:1px solid #d3e6f6;border-radius:7px;padding:12px;transform:translateY(5px);box-shadow:0 8px 18px #487ba415}.mock-window>i{display:block;width:40%;height:5px;background:#d5e9fc;margin-bottom:12px}.mock-sheet{height:74px;border:1px solid #e0edf8;background:repeating-linear-gradient(0deg,transparent,transparent 17px,#e0edf8 18px),repeating-linear-gradient(90deg,transparent,transparent 49px,#e0edf8 50px)}.video-play{position:absolute;inset:0;display:grid;place-items:center}.video-play span{display:grid;place-items:center;background:#fff;color:#318afa;width:42px;height:42px;border-radius:50%;box-shadow:0 4px 17px #3c88d325;font-size:16px;padding-left:3px}.video-status{position:absolute;right:12px;top:12px;background:#ffffffcc;border-radius:4px;color:#809db5;padding:4px 7px;font-size:9px}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-card{display:flex;align-items:start;padding:24px;gap:20px}.guide-icon{height:44px;width:44px;border-radius:12px;display:grid;place-items:center;background:#ebf5ff;color:#218aff;font-size:23px;flex-shrink:0}.guide-card:nth-child(2) .guide-icon{color:#19a1b4;background:#e9f9fa}.guide-card:nth-child(3) .guide-icon{color:#8481d0;background:#f0efff}.guide-card p{margin-bottom:13px}.guide-card .resource-card-actions button{padding:0;border:0;color:#2488dd}.guide-card>div:last-child{flex:1}.resource-help{display:flex;align-items:center;gap:22px;background:linear-gradient(110deg,#edf6ff,#edfbff);border:1px solid #dceef9;border-radius:14px;padding:29px 33px;margin:60px 0}.resource-help h2{font-size:22px;font-weight:550;margin-top:8px}.resource-help p{color:#86a0b5;font-size:12px;margin-top:10px}.help-icon{width:52px;height:52px;background:white;border-radius:50%;display:grid;place-items:center;color:#52a0e9;font-size:28px;flex-shrink:0}.resource-help>a{margin-left:auto;white-space:nowrap;font-size:12px;background:#087bff;color:#fff;border-radius:7px;padding:13px 18px;display:flex;gap:25px}#resource-empty{text-align:center;padding:65px 20px}#resource-empty p{margin:15px;color:#8ca1b5}#resource-empty button{background:#087bff;color:white;border:0;border-radius:6px;padding:10px 20px;cursor:pointer}#resource-dialog{width:min(740px,92vw);max-height:85vh;border:1px solid #d9e9f7;border-radius:17px;margin:auto;padding:0;color:#35556e;box-shadow:0 30px 100px #193c6033}#resource-dialog::backdrop{background:#18364d55;backdrop-filter:blur(5px)}.reader-top{display:flex;justify-content:space-between;align-items:center;padding:15px 25px;border-bottom:1px solid #e3edf5;font-size:12px;color:#86a0b4}.reader-top button{border:0;background:#f1f7fc;border-radius:50%;height:30px;width:30px;font-size:22px;color:#638da9;cursor:pointer}#resource-article{padding:30px 35px}#resource-article h2{font-size:27px;line-height:1.5;margin:12px 0 20px}#resource-article h3{font-size:16px;margin:24px 0 10px}#resource-article p{font-size:14px;line-height:1.95;color:#738b9f}.reader-foot{padding:18px 35px;background:#f4f9fd;color:#91a6b8;font-size:11px}button:focus-visible,a:focus-visible{outline:2px solid #168bff;outline-offset:4px}
@media(max-width:800px){.resource-hero h1{font-size:36px}.hero-layout{gap:20px}.resource-grid{gap:13px}.resource-card-body{padding:18px}.resource-help{padding:25px}.res-section-heading p{max-width:45%;text-align:right}.resource-help .help-icon{display:none}}@media(max-width:600px){.hero-layout{grid-template-columns:1fr;gap:5px}.resource-hero{padding:36px 0 12px}.resource-hero h1{font-size:36px}.res-hero-image{max-width:350px;margin:auto}.resource-toolbar{align-items:start;flex-direction:column;padding:19px 0}.resource-filters{width:100%;justify-content:space-between;gap:1px}.resource-filters button{padding:9px 11px;font-size:11px}.resource-grid,.resource-grid.product-grid,.guide-grid{grid-template-columns:1fr}.res-section-heading{align-items:start}.res-section-heading p{font-size:10px;line-height:1.6}.res-section-heading h2{font-size:23px}.resource-section{padding-top:35px}.resource-help{align-items:start;flex-direction:column;margin:40px 0}.resource-help>a{margin:0}.resource-help h2{font-size:21px}#resource-article{padding:23px}.resource-card p{font-size:13px}.resource-cover{height:170px}}

.res-section-more{display:flex;align-items:flex-end;flex-direction:column;gap:12px}.res-section-more a{font-size:13px;color:#1685e8;display:inline-flex;gap:15px;align-items:center}.res-section-more a:hover{color:#005dbe}.video-library-hero{padding:35px 0 45px;background:linear-gradient(115deg,#f3f8ff,#e7f7ff)}.video-back{display:block;font-size:12px;color:#7c98ae;margin-bottom:32px}.video-library-hero h1{font-size:38px;font-weight:600;line-height:1.5;margin-top:15px}.video-library-hero p{font-size:14px;line-height:1.8;color:#819aae;margin-top:13px}.video-library{padding:30px 0 65px;min-height:450px}.video-library-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px}.video-library-toolbar>span{font-size:11px;color:#92a6b7}.video-library-note{font-size:12px;color:#8ca2b5;margin:24px 0}.video-library .resource-grid{row-gap:25px}#video-empty{text-align:center;padding:55px 20px}#video-empty p{margin:15px;color:#8ca1b5}#video-empty button{background:#087bff;color:white;padding:10px 18px;border:0;border-radius:7px;cursor:pointer}@media(max-width:800px){.res-section-more p{max-width:100%}}@media(max-width:600px){.res-section-more{max-width:43%;gap:9px}.res-section-more a{font-size:11px;gap:8px}.video-library-hero h1{font-size:29px}.video-library-toolbar{align-items:start;flex-direction:column}.video-library-toolbar .resource-filters{flex-wrap:wrap;justify-content:start}.video-library-hero{padding:25px 0 35px}}

/* Compact tutorial banner */
.video-library-hero{padding:24px 0 32px}.video-library-hero .video-back{margin-bottom:24px;font-size:11px}.video-banner-row{display:grid;grid-template-columns:1.35fr 1fr;gap:55px;align-items:center}.video-library-hero h1{font-size:32px;margin-top:12px;letter-spacing:-.6px}.video-library-hero p{font-size:13px;margin-top:12px}.video-banner-search{padding-left:30px;border-left:1px solid #d4e7f4}.video-banner-search>label{font-size:13px;color:#507b9a;font-weight:500}.video-banner-search .res-search{margin-top:12px;max-width:none}.video-search-hint{display:block;font-size:10px;letter-spacing:.4px;color:#8da6b9;margin-top:11px}.video-library{padding-top:24px}@media(max-width:950px){.video-banner-row{gap:25px;grid-template-columns:1.2fr 1fr}.video-library-hero h1{font-size:27px}.video-banner-search{padding-left:22px}}@media(max-width:650px){.video-library-hero{padding:20px 0 25px}.video-library-hero .video-back{margin-bottom:20px}.video-banner-row{grid-template-columns:1fr;gap:20px}.video-banner-search{padding:0;border:0}.video-banner-search>label,.video-search-hint{display:none}.video-banner-search .res-search{margin:0}.video-library-hero h1{font-size:27px}.video-library-hero p{font-size:12px}}

/* Original tutorial artwork, shown without cropping or overlays. */
.video-cover.video-cover-art{height:auto;aspect-ratio:1672 / 941;padding:0;overflow:hidden;background:#f1f8ff}.video-cover-art img{display:block;width:100%;height:100%;object-fit:contain}

/* Tutorial library chapter navigation and groups. */
.video-library-toolbar{align-items:flex-start}.video-library-toolbar .resource-filters{flex:1;min-width:0;display:flex;flex-wrap:wrap;justify-content:flex-start;gap:8px}.video-library-toolbar .resource-filters button{border:1px solid #e3edf7;padding:10px 13px;display:flex;align-items:center;gap:9px;background:#fff}.video-library-toolbar .resource-filters button[aria-pressed=true]{background:#edf6ff;border-color:#cce4ff}.video-library-toolbar .resource-filters button span{font-size:10px;opacity:.65}.video-library-toolbar>#video-count{flex-shrink:0;padding-top:12px;white-space:nowrap}.course-chapter{margin:38px 0 55px}.course-chapter-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #e1ecf7;padding-bottom:18px;margin-bottom:23px}.course-chapter-heading>div{display:flex;align-items:center;gap:16px}.course-chapter-heading span{font-size:11px;letter-spacing:1px;color:#7ca3c3;background:#f1f8ff;padding:7px 10px;border-radius:5px}.course-chapter-heading h2{font-size:23px;font-weight:600;color:#355b76}.course-chapter-heading small{font-size:12px;color:#8da4b8}.course-chapter .resource-card-body>p{min-height:44px}
@media(max-width:600px){.course-chapter-heading h2{font-size:19px}.course-chapter-heading>div{gap:10px}.course-chapter{margin-bottom:36px}.video-library-toolbar .resource-filters button{font-size:11px;padding:9px 10px}.course-chapter-heading small{white-space:nowrap}}

.resource-card-actions a{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border:1px solid #dce8f3;border-radius:7px;font-size:12px;color:#346286;background:#f5f9fd}.resource-card-actions a.primary{background:#087bff;color:#fff;border-color:#087bff}.resource-card-actions a:hover{filter:brightness(.96)}

/* Three complementary reading resources. */
.resource-grid.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.product-grid .resource-card{display:flex;flex-direction:column}
.product-grid .resource-card-body{display:flex;flex-direction:column;flex:1}
.product-grid .resource-card-actions{margin-top:auto;padding-top:22px}
.resource-cover.tutorial-cover{background:linear-gradient(125deg,#edfaf6,#daf1eb)}
.tutorial-cover .book-cover{background:linear-gradient(130deg,#20a694,#63c4b6);border-left-color:#188c7f}
/* 插件开发者中心卡（资源页产品区第三个）：靛蓝封面，与产品介绍的蓝、文字教程的绿区分 */
.resource-cover.sdk-cover{background:linear-gradient(125deg,#f1f0ff,#e2e0fb)}
.sdk-cover .book-cover{background:linear-gradient(130deg,#5b5bd6,#8f8cf0);border-left-color:#4646b8}
@media(min-width:601px) and (max-width:900px){.resource-grid.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.resource-grid.product-grid{grid-template-columns:1fr}}

/* Keep secondary navigation beside the tutorial content. */
.video-library>.video-back{display:inline-flex;align-items:center;font-size:14px;line-height:1.7;color:#386b94;margin:0 0 22px;padding:6px 0}
.video-library>.video-back:hover{color:#087bff}
.video-library>.video-back:focus-visible{outline:2px solid #087bff;outline-offset:4px;border-radius:3px}
body .video-library-hero .video-banner-search{border-left:0;padding-left:0}
.video-library-hero .video-banner-copy h1{margin-top:0}

/* Reader close control: centered icon with a comfortable hit target. */
#resource-dialog #close-reader{display:grid;place-items:center;flex-shrink:0;width:36px;height:36px;padding:0;border:1px solid transparent;border-radius:8px;background:#f2f7fc;color:#6c8ca6;cursor:pointer;transition:background .18s,color .18s,border-color .18s}
#close-reader svg{display:block;pointer-events:none}
#resource-dialog #close-reader:hover{background:#e7f2ff;border-color:#d0e4f9;color:#087bff}
#resource-dialog #close-reader:active{background:#dcecff}
#resource-dialog #close-reader:focus-visible{outline:2px solid #258cf2;outline-offset:3px}
@media(prefers-reduced-motion:reduce){#resource-dialog #close-reader{transition:none}}